XC6209A30APR [TOREX]

High Speed LDO Regulators Low ESR Cap Compatible Output On/Off Control; 高速LDO稳压器低ESR帽兼容输出开/关控制
XC6209A30APR
型号: XC6209A30APR
厂家: Torex Semiconductor    Torex Semiconductor
描述:

High Speed LDO Regulators Low ESR Cap Compatible Output On/Off Control
高速LDO稳压器低ESR帽兼容输出开/关控制

稳压器
文件: 总19页 (文件大小:221K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
February 17, 2004 V5  
Low Power Consumption  
Dropout Voltage  
APPLICATIONS  
!
!
: 25µA (TYP.)  
!
Mobile phones, Cordless phones  
Wireless communication equipment  
Portable games  
: 30mA @ 60mV  
"
"
"
"
"
"
"
: 100mA @ 200mV  
Output Current  
!
: 150mA (XC6209A ~D series)  
: 300mA (XC6209E ~H series)  
: ± 2% (± 30mV less than 1.5V)  
: 0.9V ~ 6.0V (50mV Step)  
Cameras, Video recorders  
Portable AV equipment  
Highly Accurate  
!
!
!
Output Voltage Range  
Low ESR capacitor compatible  
Reference voltage  
Battery powered equipment  
! GENERAL DESCRIPTION  
! FEATURES  
Maximum Output Current (*)  
: 150mA (XC6209A ~ D series)  
: 300mA (XC6209E ~ H series)  
: 200mV @ IOUT=100mA  
: 2.0V ~ 10V  
The XC6209 series are precise, low noise, positive voltage LDO  
regulators manufactured using CMOS processes. The series  
achieves high ripple rejection and low dropout and consists of a  
voltage reference, an error amplifier, a current limiter and a phase  
compensation circuit plus a driver transistor.  
Output voltage is selectable in 50mV increments within a range of  
0.9V ~ 6.0V.  
The series is also compatible with low ESR ceramic capacitors  
which give added output stability. This stability can be maintained  
even during load fluctuations due to the excellent transient  
response of the series.  
Dropout Voltage  
Operating Voltage Range  
Output Voltage Range  
Highly Accurate  
: 0.9V ~ 6.0V (50mV Step)  
: ± 2% (VOUT>1.5V)  
: ± 30mV (VOUT<1.5V)  
: 25µA (TYP.)  
Low Power Consumption  
Standby Current  
The current limiter's foldback circuit also operates as a short  
protect for the output current limiter and the output pin.  
The CE function enables the output to be turned off, resulting in  
greatly reduced power consumption.  
: Less than 0.1µA (TYP.)  
: 70dB (10kHz)  
High Ripple Rejection  
Operating Temperature Range  
Low ESR Capacitor Compatible  
Ultra Small Packages  
: - 40OC ~ + 85OC  
: Ceramic capacitor  
: SOT-25  
SOT-89-5  
USP-6B  
* Maximum output current of the XC6209E ~ H series  
depends on the setting voltage.  
! TYPICAL APPLICATION CIRCUIT  
! TYPICAL PERFORMANCE CHARACTERISTICS  
# Supply Current vs. Input Voltage  
XC6209x302  
VIN  
VOUT  
50  
40  
30  
CL  
1µF  
VSS  
CE  
NC  
CIN  
1µF  
20  
Topr= 85OC  
= 25OC  
= - 40OC  
10  
0
0
2
4
6
8
10  
Input Voltage VIN (V)  
Semiconductor Ltd.  
Data Sheet  
1
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! PIN CONFIGURATION  
VIN  
4
VOUT VSS  
VOUT  
5
(NC)  
4
5
2
CE 6  
VSS 5  
NC 4  
1 VIN  
2 NC  
3 VOUT  
1
2
3
3
CE  
1
NC  
2
VSS  
VIN VSS CE  
SOT-25 (TOP VIEW)  
SOT-89 (TOP VIEW)  
USP-6B (BOTTOM VIEW)  
*Please do not connect a heat dissipation pad to  
the circuitry. If the pad needs to be connected to  
the circuitry, it should be connected to the VSS  
pin.  
! PIN ASSIGNMENT  
PIN NUMBER  
PIN NAME  
FUNCTION  
SOT-25  
SOT-89-5  
USP-6B  
1
5
VIN  
VSS  
CE  
Input  
Ground  
1
2
3
4
5
4
2
3
1
5
6
ON/OFF Control  
No Connection  
Output  
2, 4  
3
NC  
VOUT  
! SELECTION GUIDE  
The following options for the CE pin logic and internal pull-up/down are available:  
High Active + no pull-down resistor built-in (standard)  
High Active + 2.0Mpull-down resistor built-in <between CE-VSS> (semi-custom)  
Low Active + no pull-up resistor built-in (semi-custom)  
Low Active + 2.0Mpull-up resistor built-in <between VIN-CE> (semi-custom)  
Note: *With the pull-up resistor or pull-down resistor built-in types, the supply current during operation will increase by VIN / 2.0M(TYP.).  
! ORDERING INFORMATION  
XC6209123456  
DESIGNATOR SYMBOL  
DESCRIPTION  
DESIGNATOR SYMBOL  
DESCRIPTION  
High Active  
(pull-down resistor built in, semi-custom)  
Output Voltage : 100mV Step  
Accuracy : within ±2% (*Note2)  
e.g. 2=2, 3=8, 4=2 2.80V  
A / E  
2
High Active  
(no pull-down resistor built in, standard)  
B / F  
4
Output Voltage : 50mV Step  
Accuracy : within ±2% (*Note 2)  
e.g. 2=2, 3=8, 4=A 2.85V  
1
(*Note1)  
A
Low Active  
(pull-up resistor built in, semi-custom)  
C / G  
D / H  
M
Package Type :  
SOT-25  
SOT-89  
USP - 6B  
Active 'Low'  
(no pull-up resistor built in, stanard)  
P
D
5
6
Output Voltage :  
Device Orientation :  
Integer  
R
L
2
3
e.g. 3.0V = 2: 3, 3: 0  
Embossed Tape : Standard Feed  
Embossed Tape : Reverse Feed  
(Note 1) Maximum output current of the XC6209E ~ H series depend on the setting voltage.  
(Note 2) Within ± 30mV (VOUT<1.5V)  
Semiconductor Ltd.  
Data Sheet  
2
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! PACKAGING INFORMATION  
# SOT-25  
# SOT-89-5  
# USP-6B  
2.0 + 0.15  
(0.45) 0.5+0.1  
(0.05)  
O
1
'
A
O
A
5
4
1
2
3
6
5
4
O
5
4
(0.45) (0.45)  
5O  
4
5
O
4
1
0.7+0.03  
3
2
1
4
5
6
* Pin no. 1 is thicker than other pins.  
1
1
1
.
1.0+0.1  
0.25+0.1  
0.25+0.1  
Semiconductor Ltd.  
Data Sheet  
3
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! MARKING RULE  
# SOT-25 & SOT-89-5  
1Represents product series  
1234  
SYMBOL  
9
PRODUCT SERIES  
XC6209xxxxxx  
* Sequential number for custom products (0 to 9 or A to Z)  
SOT-89-5  
SOT-25  
(TOP VIEW)  
(TOP VIEW)  
2Represents the type of voltage regulator  
SYMBOL  
VOUT 100mV STEPS  
VOUT 50mV STEPS  
PRODUCT SERIES  
VOUT=  
VOUT=  
VOUT=  
VOUT=  
0.1~3.0V  
3.1~6.0V  
0.15~3.05V  
3.15~6.05V  
V
X
A
B
E
F
L
XC6209Axxxxx  
XC6209Bxxxxx  
M
Y
Z
V
X
Y
Z
C
D
A
B
C
D
H
K
E
F
N
P
L
XC6209Cxxxxx  
XC6209Dxxxxx  
XC6209Exxxxx  
XC6209Fxxxxx  
XC6209Gxxxxx  
XC6209Hxxxxx  
M
N
P
H
K
3Represents output voltage  
SYMBOL  
OUTPUT VOLTAGE (V)  
SYMBOL  
OUTPUT VOLTAGE (V)  
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
-
3.10  
3.20  
3.30  
3.40  
3.50  
3.60  
3.70  
3.80  
3.90  
4.00  
4.10  
4.20  
4.30  
4.40  
4.50  
-
3.15  
3.25  
3.35  
3.45  
3.55  
3.65  
3.75  
3.85  
3.95  
4.05  
4.15  
4.25  
4.35  
4.45  
4.55  
F
H
K
L
1.60  
1.70  
1.80  
1.90  
2.00  
2.10  
2.20  
2.30  
2.40  
2.50  
2.60  
2.70  
2.80  
2.90  
3.00  
4.60  
4.70  
4.80  
4.90  
5.00  
5.10  
5.20  
5.30  
5.40  
5.50  
5.60  
5.70  
5.80  
5.90  
6.00  
1.65  
1.75  
1.85  
1.95  
2.05  
2.15  
2.25  
2.35  
2.45  
2.55  
2.65  
2.75  
2.85  
2.95  
3.05  
4.65  
4.75  
4.85  
4.95  
5.05  
5.15  
5.25  
5.35  
5.45  
5.55  
5.65  
5.75  
5.85  
5.95  
-
-
-
-
-
-
-
-
-
M
N
P
R
S
T
-
-
-
-
-
-
0.90  
1.00  
1.10  
1.20  
1.30  
1.40  
1.50  
0.95  
1.05  
1.15  
1.25  
1.35  
1.45  
1.55  
U
V
X
Y
Z
4Represents production lot number  
0 to 9, A to Z, reversed character of 0 to 9 and A to Z repeated (G,I,J,O,Q excepted)  
Semiconductor Ltd.  
Data Sheet  
4
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! MARKING RULE (Continued)  
# USP-6B  
12Represents product series  
1
2
3
6
5
4
SYMBOL  
PRODUCT SERIES  
1
2
0
9
XC6209AxxxDx  
USP-6B  
(TOP VIEW)  
3Represents the type of voltage regulator  
SYMBOL  
TYPE  
PRODUCT SERIES  
A
B
C
D
CE Pin, High Active with pull-down resistor  
CE Pin, High Active with no pull-down resistor  
CE Pin, High Active with pull-up resistor  
CE Pin, High Active with no pull-up resistor  
XC6209AxxxDx  
XC6209BxxxDx  
XC6209CxxxDx  
XC6209DxxxDx  
4Represents the integer of output voltage  
SYMBOL  
TYPE  
PRODUCT SERIES  
3
5
3.X  
5.X  
XC6209x3xxDx  
XC6209x5xxDx  
5Represents the decimal point of output voltage  
SYMBOL  
OUTPUT VOLTAGE (V)  
SYMBOL  
OUTPUT VOLTAGE (V)  
XC6209xx0ADx  
0
1
2
3
4
5
6
7
8
9
X.0  
X.1  
X.2  
X.3  
X.4  
X.5  
X.6  
X.7  
X.8  
X.9  
XC6209xx0xDx  
XC6209xx1xDx  
XC6209xx2xDx  
XC6209xx3xDx  
XC6209xx4xDx  
XC6209xx5xDx  
XC6209xx6xDx  
XC6209xx7xDx  
XC6209xx8xDx  
XC6209xx9xDx  
A
B
C
D
E
F
X.05  
X.15  
X.25  
X.35  
X.45  
X.55  
X.65  
X.75  
X.85  
X.95  
XC6209xx1ADx  
XC6209xx2ADx  
XC6209xx3ADx  
XC6209xx4ADx  
XC6209xx5ADx  
XC6209xx6ADx  
XC6209xx7ADx  
XC6209xx8ADx  
XC6209xx9ADx  
H
K
L
M
4Represents production lot number  
0 to 9, A to Z, reversed character of 0 to 9 and A to Z repeated (G,I,J,O,Q excepted)  
Semiconductor Ltd.  
Data Sheet  
5
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! BLOCK DIAGRAM  
VIN  
CE  
ON/OFF  
Control  
each circuit  
Current  
Limiter  
VOUT  
R2  
R1  
VSS  
Voltage  
Reference  
! ABSOLUTE MAXIMUM RATINGS  
Ta=25OC  
UNITS  
PARAMETER  
Input Voltage  
Output Current  
Output Voltage  
CE Input Voltage  
SOT-25  
SYMBOL  
RATINGS  
12  
VIN  
IOUT  
VOUT  
VCE  
V
mA  
V
500  
VSS -0.3 ~ VIN +0.3  
VSS -0.3 ~ VIN +0.3  
250  
V
Power Dissipation  
Pd  
mW  
SOT-89-5  
USP-6B  
500  
100  
OC  
OC  
Operating Temperature Range  
Topr  
Tstg  
- 40 ~ + 85  
- 55 ~ + 125  
Storage Temperature Range  
* IOUT should be less than Pd / (VIN - VOUT)  
Semiconductor Ltd.  
Data Sheet  
6
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! ELECTRICAL CHARACTERISTICS  
XC6209B Series  
Ta=25OC  
CIRCUIT  
PARAMETER  
SYMBOL  
VOUT (E)  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
V
× 0.98  
- 0.03  
× 1.02  
+ 0.03  
IOUT=30mA (1.55V~)  
Output Voltage  
VOUT(T)  
-
1
IOUT=30mA (0.9 ~ 1.5V)  
Maximum Output Current  
Load Regulation  
IOUTMAX  
VOUT  
Vdif1  
150  
-
-
mA  
mV  
mV  
1
1
1mA<IOUT<100mA  
15  
50  
E-2 (page 9)  
IOUT=30mA  
IOUT=100mA  
Dropout Voltage  
1
Vdif2  
E-3 (page 9)  
25  
mV  
Supply Current  
Standby Current  
IDD  
50  
µA  
2
2
VCE=VIN  
-
-
Istby  
µA  
VCE=VSS  
0.01  
0.10  
VOUT(T)+1.0V<VIN<10V  
VOUT /  
IOUT=30mA (VOUT>1.0V)  
2.0V<VIN<10V  
Line Regulation  
-
0.01  
0.20  
% / V  
1
VIN VOUT  
IOUT=30mA (VOUT<1.0V)  
Input Voltage  
Output Voltage  
VIN  
VOUT /  
Topr VOUT  
PSRR  
2
-
-
10  
-
V
ppm/OC  
dB  
-
IOUT=30mA  
-40OC<Topr<85OC  
100  
1
4
Temperature Characteristics  
Ripple Rejection Rate  
IOUT=50mA, f=10kHz  
-
70  
-
Current Limiter  
Short-circuit Current  
CE "High" Voltage  
CE "Low" Voltage  
Ilim  
-
-
300  
50  
-
-
-
mA  
mA  
V
1
1
1
Ishort  
VCEH  
VCEL  
1.60  
VIN  
-
-
-
-
0.25  
0.10  
0.10  
V
2
2
2
CE "High" Current  
CE "Low" Current  
ICEH  
ICEL  
µA  
µA  
VCE=VIN  
VCE=VSS  
-0.10  
-0.10  
(NOTE 1) VOUT(T)=Specified Output Voltage  
(NOTE 2) VOUT(E)=Effective Output Voltage  
(I.e. the output voltage when "VOUT(T)+1.0V" is provided at the VIN pin while maintaining a certain IOUT value).  
(NOTE 3) Vdif={VIN1(NOTE5)-VOUT1(NOTE4)  
}
(NOTE 4) VOUT1=A voltage equal to 98% of the Output Voltage whenever an amply stabilized IOUT {VOUT(T)+1.0V} is input.  
(NOTE 5) VIN1=The Input Voltage when VOUT1 appears as Input Voltage is gradually decreased.  
(NOTE 6) Unless otherwise stated, VIN=VOUT(T)+1.0V. If VOUT is less than 1.0V, VIN=2.0V.  
Semiconductor Ltd.  
Data Sheet  
7
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! ELECTRICAL CHARACTERISTICS  
XC6209F Series  
Ta=25OC  
CIRCUIT  
PARAMETER  
SYMBOL  
VOUT (E)  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
V
× 0.98  
× 1.02  
IOUT=30mA (1.55V~)  
Output Voltage  
VOUT(T)  
1
- 0.03  
+ 0.03  
IOUT=30mA (0.9 ~ 1.5V)  
Maximum Output Current  
Load Regulation  
IOUTMAX  
VOUT  
Vdif1  
E-1 (page 9)  
mA  
mV  
mV  
1
1
1mA<IOUT<100mA  
-
15  
50  
E-2 (page 9)  
IOUT=30mA  
IOUT=100mA  
Dropout Voltage  
1
Vdif2  
E-3 (page 9)  
25  
mV  
Supply Current  
Standby Current  
IDD  
50  
µA  
2
2
VCE=VIN  
-
-
Istby  
µA  
VCE=VSS  
0.01  
0.10  
VOUT(T)+1.0V<VIN<10V  
VOUT /  
IOUT=30mA (VOUT>1.0V)  
2.0V<VIN<10V  
Line Regulation  
-
0.01  
0.20  
% / V  
1
VIN VOUT  
IOUT=30mA (VOUT<1.0V)  
Input Voltage  
Output Voltage  
VIN  
VOUT /  
Topr VOUT  
PSRR  
2
-
-
10  
-
V
ppm/OC  
dB  
-
IOUT=30mA  
-40OC<Topr<85OC  
100  
1
Temperature Characteristics  
Ripple Rejection Rate  
Current Limiter  
4
1
1
1
2
2
2
IOUT=50mA, f=10kHz  
-
70  
-
-
Ilim  
-
-
380  
mA  
mA  
V
Short-circuit Current  
CE "High" Voltage  
CE "Low" Voltage  
CE "High" Current  
CE "Low" Current  
Ishort  
50  
-
-
VCEH  
1.60  
-
VIN  
0.25  
0.10  
0.10  
VCEL  
-
V
ICEH  
µA  
µA  
VCE=VIN  
VCE=VSS  
-0.10  
-0.10  
-
ICEL  
-
(NOTE 1) VOUT(T)=Specified Output Voltage  
(NOTE 2) VOUT(E)=Effective Output Voltage  
(I.e. the output voltage when "VOUT(T)+1.0V" is provided at the VIN pin while maintaining a certain IOUT value).  
(NOTE 3) Vdif={VIN1(NOTE5)-VOUT1(NOTE4)  
}
(NOTE 4) VOUT1=A voltage equal to 98% of the Output Voltage whenever an amply stabilized IOUT {VOUT(T)+1.0V} is input.  
(NOTE 5) VIN1=The Input Voltage when VOUT1 appears as Input Voltage is gradually decreased.  
(NOTE 6) Unless otherwise stated, VIN=VOUT(T)+1.0V. If VOUT is less than 1.0V, VIN=2.0V.  
Semiconductor Ltd.  
Data Sheet  
8
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! MAXIMUM OUTPUT CURRENT, OUTPUT VOLTAGE  
XC6209E ~ H series  
E-1  
OUTPUT VOLTAGE  
(V)  
IOUTMAX (mA)  
MIN  
CONDITION  
0.90 ~ 0.95  
1.00 ~ 1.05  
1.10 ~ 1.15  
1.20 ~ 1.25  
1.30 ~ 1.35  
1.40 ~ 1.45  
1.50 ~ 1.95  
2.00 ~ 6.00  
VIN = 2.5V  
VIN = 2.5V  
260  
260  
270  
290  
VIN = 2.6V  
VIN = 2.7V  
VIN = 2.8V  
VIN = 2.9V  
300  
VIN = 3.0V  
VIN = VOUT + 1.0V  
! DROPOUT VOLTAGE  
SYMBOL  
E-2  
Dropout Voltage 1 (mV)  
E-3  
PARAMETER  
Dropout Voltage 2 (mV)  
MIN  
TYP  
1100  
1000  
900  
800  
700  
600  
500  
400  
300  
200  
120  
80  
MAX  
MIN  
TYP  
1150  
1050  
950  
850  
750  
650  
550  
500  
400  
300  
280  
240  
240  
240  
220  
220  
200  
200  
180  
160  
MAX  
OUTPUT VOLTAGE  
0.90 ~ 0.95  
1.00 ~ 1.05  
1.10 ~ 1.15  
1.20 ~ 1.25  
1.30 ~ 1.35  
1.40 ~ 1.45  
1.50 ~ 1.55  
1.60 ~ 1.65  
1.70 ~ 1.75  
1.80 ~ 1.85  
1.90 ~ 1.95  
2.00 ~ 2.05  
2.10 ~ 2.25  
2.30 ~ 2.45  
2.50 ~ 2.75  
2.80 ~ 2.95  
3.00 ~ 3.05  
3.10 ~ 3.95  
4.00 ~ 4.95  
5.00 ~ 6.00  
1100  
1110  
1010  
910  
810  
710  
610  
510  
410  
310  
210  
150  
120  
120  
120  
100  
100  
90  
1100  
1200  
1100  
1000  
900  
800  
700  
600  
550  
450  
400  
380  
350  
330  
310  
290  
270  
270  
250  
230  
210  
1000  
1000  
900  
900  
800  
800  
700  
700  
600  
600  
500  
500  
400  
400  
300  
300  
200  
200  
100  
100  
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
80  
80  
70  
70  
60  
60  
90  
60  
80  
50  
70  
* The input voltage 2.0V (MIN.) is needed to operate the series. When the output voltage is less than 2.0V,  
2.0V-VOUT(T) of dropout voltage is needed at minimum.  
Semiconductor Ltd.  
Data Sheet  
9
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! TEST CIRCUITS  
Circuit 1  
VIN  
CE  
VOUT  
A
RL  
VSS  
CL=1.0µF  
(ceramic)  
CIN=1.0µF  
(ceramic)  
V
V
V
Circuit 2  
VIN  
VOUT  
A
OPEN  
CE  
A
VSS  
Circuit 3  
VIN  
VOUT  
CE  
F.F.T  
VSS  
CL=1.0µF  
(ceramic)  
CIN=1.0µF  
(ceramic)  
IOUT=10mA  
Circuit 4  
VOUT  
VIN  
CE  
IOUT=50mA  
VIN={VOUT+1} VDC  
+0.5Vp-pAC  
VSS  
m
CL=1.0  
F
V
V
(ceramic)  
Semiconductor Ltd.  
Data Sheet  
10  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
! OPERATIONAL EXPLANATION  
Output voltage control with the XC6209 series :  
VIN  
The voltage divided by resistors R1 & R2 is compared with the internal  
reference voltage by the error amplifier.  
ON/OFF  
Control  
each circuit  
CE  
The P-Channel MOSFET, which is connected to the VOUT pin, is then  
driven by the subsequent output signal. The output voltage at the  
VOUT pin is controlled & stabilized by a system of negative feedback.  
Current  
Limiter  
The current limit circuit and short protect circuit operate in relation to  
the level of output current. Further, the IC's internal circuitry can be  
shutdown via the CE pin's signal.  
VOUT  
VSS  
R2  
R1  
Voltage  
Reference  
Low ESR Capacitors  
With the XC6209 series, a stable output voltage is achievable even if used with low ESR capacitors as a phase compensation circuit is built-in. In order to  
ensure the effectiveness of the phase compensation, we suggest that an output capacitor (CL) is connected as close as possible to the output pin (VOUT)  
and the VSS pin. Please use an output capacitor with a capacitance value of at least 1µF. Also, please connect an input capacitor (CIN) of 0.1µF between  
the VIN pin and the VSS pin in order to ensure a stable power input.  
Current Limiter, Short-Circuit Protection  
The XC6209 series includes a combination of a fixed current limiter circuit & a foldback circuit which aid the operations of the current limiter and circuit  
protection. When the load current reaches the current limit level, the fixed current limiter circuit operates and output voltage drops. As a result of this drop in  
output voltage, the foldback circuit operates, output voltage drops further and output current decreases. When the output pin is shorted, a current of about  
50mA flows.  
CE Pin  
The IC's internal circuitry can be shutdown via the signal from the CE pin with the XC6209 series. In shutdown mode, output at the VOUT pin will be pulled  
down to the VSS level via R1 & R2. The operational logic of the IC's CE pin is selectable (please refer to the selection guide on page 3). Note that as the  
standard XC6209B/F type is ' High Active/No Pull Down', operations will become unstable with the CE pin open. Although the CE pin is equal to an inverter  
input with CMOS hysteresis, with either the pull-up or pull-down options, the CE pin input current will increase when the IC is in operation. We suggest that  
you use this IC with either a VIN voltage or a VSS voltage input at the CE pin. If this IC is used with the correct specifications for the CE pin, the IC will  
operate normally. However, supply current may increase as a result of through current in the IC's internal circuitry.  
NOTES ON USE  
!
1
2
3
Please use this IC within the stated absolute maximum ratings.  
The IC is liable to malfunction should the ratings be exceeded.  
Where wiring impedance is high, operations may become unstable due to noise and/or phase lag  
depending on output current. Please strengthen VIN and VSS wiring in particular.  
Please wire the input capacitor (CIN) and the output capacitor (CL) as close to the IC as possible.  
Semiconductor Ltd.  
Data Sheet  
11  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
!
TYPICAL PERFORMANCE CHARACTERISTICS  
(1) Output Voltage vs. Output Current  
XC6209B302  
XC6209B302  
Topr=25OC, CIN=1uF (ceramic), CL=1uF (ceramic)  
VIN=4.0V, CIN=1uF (ceramic), CL=1uF (ceramic)  
4.0  
4.0  
3.0  
2.0  
1.0  
0.0  
3.0  
VIN=3.3V  
VIN=4.0V  
VIN=7.0V  
VIN=10V  
2.0  
- 40OC  
25OC  
85OC  
1.0  
0.0  
0
100  
200  
300  
400  
0
100  
200  
300  
400  
Output Current IOUT (mA)  
Output Current IOUT (mA)  
XC6209F302  
XC6209F302  
Topr=25OC, CIN=1uF (ceramic), CL=1uF (ceramic)  
VIN=4.0V, CIN=1uF (ceramic), CL=1uF (ceramic)  
4.0  
3.0  
2.0  
1.0  
0.0  
4.0  
3.0  
2.0  
1.0  
0.0  
VIN=3.3V  
VIN=4.0V  
VIN=7.0V  
VIN=10V  
- 40OC  
25OC  
85OC  
0
100  
200  
300  
400  
0
100  
200  
300  
400  
Output Current IOUT (mA)  
Output Current IOUT (mA)  
XC6209B122  
XC6209B122  
Topr=25OC, CIN=1uF (ceramic), CL=1uF (ceramic)  
VIN=2.7V, CIN=1uF (ceramic), CL=1uF (ceramic)  
1.5  
1.2  
0.9  
0.6  
0.3  
0.0  
1.5  
1.2  
0.9  
0.6  
0.3  
0.0  
VIN=2.0V  
VIN=2.5V  
VIN=2.7V  
VIN=3.6V  
- 40OC  
25OC  
85OC  
0
100  
200  
300  
400  
0
100  
200  
300  
400  
Output Current IOUT (mA)  
Output Current IOUT (mA)  
Semiconductor Ltd.  
Data Sheet  
12  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
!
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(1) Output Voltage vs. Output Current (Continued)  
XC6209F122  
XC6209F122  
Topr=25OC, CIN=1uF (ceramic), CL=1uF (ceramic)  
VIN=2.7V, CIN=1uF (ceramic), CL=1uF (ceramic)  
1.5  
1.5  
1.2  
0.9  
0.6  
0.3  
0.0  
1.2  
VIN=2.0V  
VIN=2.5V  
VIN=2.7V  
VIN=3.6V  
0.9  
0.6  
0.3  
0.0  
- 40OC  
25OC  
85OC  
0
100  
200  
300  
400  
0
100  
200  
300  
400  
Output Current IOUT (mA)  
Output Current IOUT (mA)  
(2) Output Voltage vs. Input Voltage  
XC6209B/F302  
XC6209B/F302  
Topr=25OC, CIN=1uF (ceramic), CL=1uF (ceramic)  
Topr=25OC, CIN=1uF (ceramic), CL=1uF (ceramic)  
3.10  
3.05  
3.00  
2.95  
2.90  
2.85  
3.2  
3.0  
2.8  
2.6  
2.4  
2.2  
IOUT=0mA  
=1mA  
IOUT=0mA  
=1mA  
=30mA  
=100mA  
=30mA  
2.5  
3.0  
3.5  
4
5
6
7
8
9
10  
Input Voltage VIN (V)  
Input Voltage VIN (V)  
XC6209B/F122  
XC6209B/F122  
Topr=25OC, CIN=1uF (ceramic), CL=1uF (ceramic)  
Topr=25OC, CIN=1uF (ceramic), CL=1uF (ceramic)  
1.40  
1.30  
1.20  
1.10  
1.00  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
IOUT=0mA  
=1mA  
IOUT=0mA  
=1mA  
=30mA  
=100mA  
=30mA  
1.0  
2.0  
3.0  
2
4
6
8
10  
Input Voltage VIN (V)  
Input Voltage VIN (V)  
Semiconductor Ltd.  
Data Sheet  
13  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
!
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(3) Dropout Voltage vs. Output Current  
XC6209F302  
XC6209B302  
CIN=1uF (ceramic), CL=1uF (ceramic)  
CIN=1uF (ceramic), CL=1uF (ceramic)  
1.0  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
Topr = 85OC  
0.8  
Topr = 85OC  
25OC  
25OC  
-40OC  
-40OC  
0.6  
0.4  
0.2  
0.0  
0
0
0
50  
100 150 200 250 300 350 400  
Output Current IOUT (mA)  
0
40  
80  
120  
160  
200  
Output Current IOUT (mA)  
XC6209B122  
XC6209F122  
CIN=1uF (ceramic), CL=1uF (ceramic)  
CIN=1uF (ceramic), CL=1uF (ceramic)  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
Minimum Operation Requirement  
Minimum Operation Requirement  
Topr = 85OC  
Topr = 85OC  
25OC  
25OC  
-40OC  
-40OC  
50  
100 150 200 250 300 350 400  
0
40  
80  
120  
160  
200  
Output Current IOUT (mA)  
Output Current IOUT (mA)  
(4) Supply Current vs. Input Voltage  
XC6209B/F302  
XC6209B/F122  
50  
40  
30  
20  
10  
0
50  
40  
30  
20  
10  
0
Topr = 85OC  
Topr = 85OC  
25OC  
25OC  
-40OC  
-40OC  
2
4
6
8
10  
0
2
4
6
8
10  
Input Voltage VIN (V)  
Input Voltage VIN (V)  
Semiconductor Ltd.  
Data Sheet  
14  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
!
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(5) Output Voltage vs. Ambient Temperature  
XC6209B/F302  
XC6209B/F122  
VIN=2.5V, CIN=1uF (ceramic), CL=1uF (ceramic)  
VIN=4.0V, CIN=1uF (ceramic), CL=1uF (ceramic)  
3.10  
1.30  
1.25  
1.20  
1.15  
1.10  
IOUT=0mA  
=1mA  
3.05  
3.00  
=30mA  
=100mA  
IOUT=0mA  
=1mA  
=30mA  
=100mA  
2.95  
2.90  
-40  
-20  
0
20  
40  
60  
80  
100  
-40  
-20  
0
20  
40  
60  
80  
100  
Ambient Temperature Topr (OC)  
Ambient Temperature Topr (OC)  
(6) Supply Current vs. Ambient Temperature  
XC6209B/F302  
XC6209B/F122  
VIN=4.0V  
VIN=2.5V  
50  
40  
30  
20  
10  
0
50  
40  
30  
20  
10  
0
-40  
-20  
0
20  
40  
60  
80  
100  
-40  
-20  
0
20  
40  
60  
80  
100  
Ambient Temperature Topr (OC)  
Ambient Temperature Topr (OC)  
(7) P-ch Driver Transistor Characteristics  
XC6209B/F  
Topr=25OC  
-300  
-250  
-200  
-150  
-100  
-50  
VIN=5.0V  
=4.0V  
=3.0V  
=2.7V  
=2.5V  
=2.0V  
0
0
0.4  
0.8  
1.2  
Vds (V)  
1.6  
2
Semiconductor Ltd.  
Data Sheet  
15  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
!
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(8) Input Transient Response  
XC6209B/F302  
XC6209B/F302  
IOUT=30mA, tr=5usec, CL=1uF (ceramic)  
IOUT=1mA, tr=5usec, CL=1uF (ceramic)  
6
5
4
3
2
1
0
3.20  
3.15  
3.10  
3.05  
3.00  
2.95  
2.90  
6
5
4
3
2
1
0
3.20  
3.15  
3.10  
3.05  
3.00  
2.95  
2.90  
Input Voltage  
Input Voltage  
Output Voltage  
Output Voltage  
Time (40usec/div)  
Time (40usec/div)  
XC6209B/F302  
XC6209B/F122  
IOUT=100mA, tr=5usec, CL=1uF (ceramic)  
IOUT=1mA, tr=5usec, CL=1uF (ceramic)  
6
5
4
3
2
1
0
3.20  
3.15  
3.10  
3.05  
3.00  
2.95  
2.90  
4
3
1.40  
1.35  
1.30  
1.25  
1.20  
1.15  
Input Voltage  
Input Voltage  
2
1
Output Voltage  
Output Voltage  
0
-1  
Time (40usec/div)  
Time (40usec/div)  
XC6209B/F122  
XC6209B/F122  
IOUT=100mA, tr=5usec, CL=1uF (ceramic)  
IOUT=30mA, tr=5usec, CL=1uF (ceramic)  
4
3
2
1
0
1.40  
1.35  
1.30  
1.25  
1.20  
1.15  
4
3
1.40  
1.35  
1.30  
1.25  
1.20  
1.15  
Input Voltage  
Input Voltage  
2
1
Output Voltage  
Output Voltage  
0
-1  
-1  
Time (40usec/div)  
Time (40usec/div)  
Semiconductor Ltd.  
Data Sheet  
16  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
!
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(9) Load Transient Response  
XC6209B/F302  
XC6209B/F302  
VIN=4.0V, tr=tf=5usec,  
CIN=1uF (ceramic), CL=2.2uF (ceramic)  
VIN=4.0V, tr=tf=5usec,  
CIN=1uF (ceramic), CL=1uF (ceramic)  
3.10  
3.00  
2.90  
2.80  
2.70  
2.60  
250  
200  
150  
100  
50  
3.10  
3.00  
2.90  
2.80  
2.70  
2.60  
250  
200  
150  
100  
50  
Output Voltage  
Output Current  
Output Voltage  
Output Current  
0
0
Time (40usec/div)  
Time (40usec/div)  
XC6209B/F302  
XC6209B/F302  
VIN=4.0V, tr=tf=5usec,  
VIN=4.0V, tr=tf=5usec,  
CIN=1uF (ceramic), CL=1uF (ceramic)  
CIN=1uF (ceramic), CL=2.2uF (ceramic)  
3.10  
3.00  
2.90  
2.80  
2.70  
2.60  
250  
200  
150  
100  
50  
3.10  
3.00  
2.90  
2.80  
2.70  
2.60  
250  
200  
150  
100  
50  
Output Voltage  
Output Current  
Output Voltage  
Output Current  
0
0
Time (40usec/div)  
Time (40usec/div)  
XC6209B/F302  
XC6209B/F302  
VIN=4.0V, tr=tf=5usec,  
VIN=4.0V, tr=tf=5usec,  
CIN=1uF (ceramic), CL=2.2uF (ceramic)  
CIN=1uF (ceramic), CL=1uF (ceramic)  
3.10  
3.00  
2.90  
2.80  
2.70  
2.60  
250  
200  
150  
100  
50  
3.10  
3.00  
2.90  
2.80  
2.70  
2.60  
250  
200  
150  
100  
50  
Output Voltage  
Output Current  
Output Voltage  
Output Current  
0
0
Time (40usec/div)  
Time (40usec/div)  
Semiconductor Ltd.  
Data Sheet  
17  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
!
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(9) Load Transient Response  
XC6209B/F122  
XC6209B/F122  
VIN=2.5V, tr=tf=5usec,  
VIN=2.5V, tr=tf=5usec,  
CIN=1uF (ceramic), CL=2.2uF (ceramic)  
CIN=1uF (ceramic), CL=1uF (ceramic)  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
250  
200  
150  
100  
50  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
250  
200  
150  
100  
50  
Output Voltage  
Output Current  
Output Voltage  
Output Current  
0
0
Time (40usec/div)  
Time (40usec/div)  
XC6209B/F122  
XC6209B/F122  
VIN=2.5V, tr=tf=5usec,  
VIN=2.5V, tr=tf=5usec,  
CIN=1uF (ceramic), CL=2.2uF (ceramic)  
CIN=1uF (ceramic), CL=1uF (ceramic)  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
250  
200  
150  
100  
50  
1.3  
250  
200  
150  
100  
50  
1.2  
1.1  
1.0  
0.9  
0.8  
Output Voltage  
Output Current  
Output Voltage  
Output Current  
0
0
Time (40usec/div)  
Time (40usec/div)  
XC6209B/F122  
XC6209B/F122  
VIN=2.5V, tr=tf=5usec,  
VIN=2.5V, tr=tf=5usec,  
CIN=1uF (ceramic), CL=2.2uF (ceramic)  
CIN=1uF (ceramic), CL=1uF (ceramic)  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
250  
200  
150  
100  
50  
1.30  
1.20  
1.10  
1.00  
0.90  
0.80  
250  
200  
150  
100  
50  
Output Voltage  
Output Current  
Output Voltage  
Output Current  
0
0
Time (40usec/div)  
Time (40usec/div)  
Semiconductor Ltd.  
Data Sheet  
18  
XC6209 Series  
High Speed LDO Regulators, Low ESR Cap. Compatible, Output On/Off Control  
!
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
(10) Ripple Rejection Rate  
XC6209B/F302  
XC6209B/F122  
VIN=4VDC+1Vp-pAC, IOUT=30mA, CL=1uF (ceramic)  
100  
VIN=2.5VDC+1Vp-pAC, IOUT=30mA, CL=1uF (ceramic)  
100  
80  
60  
40  
20  
0
80  
60  
40  
20  
0
0.1  
1
10  
100  
1000  
0.1  
1
10  
100  
1000  
Ripple Frequency f (kHz)  
Ripple Frequency f (kHz)  
Semiconductor Ltd.  
Data Sheet  
19  

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