XC6366B153ML [TOREX]
PWM Controlled, PWM/PFM Switchable Step-Down DC/DC Converters; PWM控制， PWM / PFM切换降压型DC / DC转换器
| 型号： | XC6366B153ML |
| 厂家： | 
Torex Semiconductor |
| 描述： | PWM Controlled, PWM/PFM Switchable Step-Down DC/DC Converters |
| 文件： | 总24页 (文件大小：1406K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
XC6365/XC6366Series
ETR0501_003
PWM Controlled, PWM/PFM Switchable Step-Down DC/DC Converters
☆GreenOperation-Compatible
■GENERAL DESCRIPTION
The XC6365/XC6366 series are multi-functional step-down DC/DC converters with built-in high speed, low ON resistance
drivers. An output current of more than 1A is possible using an externally connected transistor, coil, diode and capacitor.
Output voltage is programmable in 0.1V increments between 1.5V to 6.0V (VOUT) (±2.5% accuracy). Further, with 1.0V of
standard voltage supply internal and using externally connected components, output voltage can be set up freely (FB). With
a 300kHz switching frequency, the size of the external components can be reduced.
Control switches from PWM to PFM during light loads with the XC6366 (PWM/PFM switchable) and the series is highly
efficient from light loads to large output currents.
In relation to soft-start time, both internally set-up 10ms types (A, B) and external resistor or capacitor regulated types (C, D)
are available.
During stand-by time (CE pin "Low" ), current consumption is reduced to less than 0.5μA.
With UVLO internal, the external transistor will be forcibly switched off if used below the stipulated voltage.
■APPLICATIONS
●Electronic information organizers
●Palmtops
■FEATURES
Input Voltage Range : 2.2V ~ 10V (VOUT type)
Output Voltage Range : 1.5V ~ 6.0V programmable in
0.1V increments (±2.5%)
●Cellular and portable phones
●Portable audio systems
Oscillation Frequency : 300kHz (±15%)
: Custom products for 180, 500kHz
Output Current
: More than 1.0A
(VIN=5.0V, VOUT=3.0V)
: 92% (TYP.)
●Various multi-function power supplies
High Efficiency
Stand-by Capability : ISTB=0.5μA (MAX.)
Soft-start time set-up externally type possible
Internally set-up output voltage type possible (VOUT)
Externally set-up output voltage type possible (FB)
Maximum Duty Ratio : 100%
PWM/PFM Switching Control (XC6366)
Package
: SOT-25, USP-6C
■TYPICAL PERFORMANCE
■TYPICAL APPLICATION CIRCUIT
CHARACTERISTICS
1/24
XC6365/XC6366 Series
■PIN CONFIGURATION
*The dissipation pad of the USP-6C package
should be left open. If the circuit needs to be
connected to other pin, it should be connected to
the VDD (No.2) pin.
■PIN ASSIGNMENT
PIN NUMBER
PIN NAME
FUNCTION
USP-6
SOT-25
1
2
3
3
2
1
EXT/
VDD
External Transistor Connection
Power Supply
GND
Ground
Chip Enable Soft-Start Capacitor Connection
with Soft-Start Externally Set-Up Types (C, D)
Output Voltage Monitor FB with Externally
Set-Up Types (B, D)
4
6
CE
5
-
4
5
VOUT (FB)
NC
No Connection
■PRODUCT CLASSIFICATION
●Selection Guide
2/24
XC6365/XC6366
Series
■PRODUCT CLASSIFICATION (Continued)
●Ordering Information
XC6365①②③④⑤⑥
XC6366①②③④⑤⑥
PWM control
PWM/PFM switching control
DESIGNATOR
DESCRIPTION
SYMBOL
A
DESCRIPTION
: VOUT type: Internally set-up, soft-start internally set-up
: FB type: Externally set-up, soft-start internally set-up
: VOUT type: Internally set-up, soft-start externally set-up
: FB type: Externally set-up, soft-start internally set-up
: VOUT type: 3.0V output → ②=3, ③=0
: FB type: 10 fixed → ②=1, ③=0 fixed
: 300kHz
B
①
Type of DC/DC Converter
C
D
15～60
② ③
④
Output Voltage
10
3
Oscillation Frequency
5
: 500kHz (custom)
2
: 180kHz (custom)
M
E
R
L
: SOT-25 (SOT-23-5)
Package
⑤
⑥
: USP-6C
: Embossed tape, standard feed
: Embossed tape, reverse feed
Device Orientation
3/24
XC6365/XC6366 Series
■BLOCK DIAGRAMS
XC6365, XC6366 Series A, C type (VOUT)
XC6365, XC6366 Series B, D type (FB)
4/24
XC6365/XC6366
Series
■ABSOLUTE MAXIMUM RATINGS
Ta = 25℃
PARAMETER
VIN Pin Voltage
VOUT Pin Voltage
FB Pin Voltage
CE Pin Voltage
EXT/ Pin Voltage
EXT/ Pin Current
SYMBOL
VDD
RATINGS
-0.3 ~ +12
-0.3 ~ VIN +0.3
-0.3 ~ VIN +0.3
-0.3 ~ VIN +0.3
-0.3 ~ VIN +0.3
±100
UNITS
V
V
VOUT
VFB
V
VCE
V
VEXT/
IEXT/
V
mA
SOT-25
USP-6C
150
Power Dissipation
Pd
mW
100
Operating Temperature Range
Storage Temperature Range
Topr
Tstg
-30 ~ +80
-40 ~ +125
℃
℃
Note: Voltage is all ground standardized.
■ELECTRICAL CHARACTERISTICS
XC6365A333MR, XC6366A333MR
(VOUT=3.3V,
CONDITIONS
fOSC=300kHz)
MIN.
Ta=25℃
PARAMETER
Output Voltage
SYMBOL
VOUT
TYP. MAX. UNITS
3.218 3.300 3.383
V
V
Maximum Input Voltage
UVLO Voltage
VIN
10.0
-
-
Same as IDD1,
(Minimum Operating
Voltage)
VUVLO
0.9
-
2.2
V
Voltage which EXT/pin voltage holding “H” level
Supply Current 1
IDD1
IDD2
No external components, CE=VDD, VOUT=0V
-
-
-
-
57
57
15
-
102
102
27
μA
μA
μA
μA
No external components,
CE=VOUT=VDD
XC6365
XC6366
Supply Current 2
Stand-by Current
ISTB
No external components, CE=VOUT=0V
Measuring of EXT/ waveform,
VIN=output voltage + 0.1V
0.5
Oscillation Frequency
fOSC
255
300
345
kHz
Maximum Duty Ratio
PFM Duty Ratio
MAXDTY
100
15
-
-
%
%
PFMDTY No load (XC6366 only)
25
35
No external components, VOUT=0V,
CE "High" Voltage
CE "Low" Voltage
VCEH
VCEL
0.65
-
-
-
-
V
V
Voltage which EXT/pin voltage holding “L” level
No external components, VOUT=0V,
Voltage which EXT/pin voltage holding “H” level
Same as IDD2, VEXT/=VDD-0.4V
Same as IDD1, VEXT/=0.4V
0.20
EXT "High" ON Resistance
EXT "Low" ON Resistance
REXTBH
REXTBL
-
-
16
14
22
19
μA
μA
Use of a XP162A12A6 transistor
recommended
Efficiency
EFFI
tSS
-
92
10
-
%
Connect RSS, CSS, CE, 0V→ 3.0V
(When VIN≦3.0V, VIN=3.0V)
ms
Soft-Start Time
5
20
Conditions: 1. Unless otherwise stated, connect external components. VIN=VDD = 5.0V, IOUT = 220mA
2. XC6365/66C series external components: CSS=0.033μF, RSS=470kΩ
5/24
XC6365/XC6366 Series
■ELECTRICAL CHARACTERISTICS (Continued)
(VOUT=5.0V, fOSC=300kHz)
CONDITIONS MIN.
XC6365A503MR, XC6366A503MR
Ta=25℃
PARAMETER
Output Voltage
SYMBOL
TYP. MAX. UNITS
VOUT
VIN
4.875 5.000 5.125
V
V
Maximum Input Voltage
UVLO Voltage
10.0
-
-
Same as IDD1,
VUVLO
IDD1
0.9
-
2.2
V
(Minimum Operating Voltage)
Supply Current 1
Voltage which EXT/pin voltage holding “H” level
No external components, CE=VDD, VOUT=0V
-
-
-
-
67
67
16
-
122
122
29
μA
μA
μA
μA
No external components,
CE=VOUT=VDD
XC6365
XC6366
Supply Current 2
Stand-by Current
IDD2
ISTB
No external components, CE=VOUT=0V
Measuring of EXT/ waveform,
VIN=output voltage + 0.1V
0.5
Oscillation Frequency
fOSC
255
300
345
kHz
Maximum Duty Ratio
PFM Duty Ratio
MAXDTY
100
15
-
-
%
%
PFMDTY No load (XC6366 only)
25
35
No external components, VOUT=0V,
CE "High" Voltage
CE "Low" Voltage
VCEH
VCEL
0.65
-
-
-
-
V
V
Voltage which EXT/pin voltage holding “L” level
No external components, VOUT=0V,
Voltage which EXT/pin voltage holding “H” level
Same as IDD2, VEXT/=VIN-0.4V
Same as IDD1, VEXT/=0.4V
0.20
EXT "High" ON Resistance
EXT "Low" ON Resistance
REXTBH
REXTBL
-
-
12
10
17
14
μA
μA
Use of a XP162A12A6
Efficiency
EFFI
tSS
-
93
10
-
%
transistor recommended
Connect RSS, CSS, CE, 0V→ 3.0V
(When VIN≦3.0V, VIN=3.0V)
Soft-Start Time
5
20
ms
Conditions: 1. Unless otherwise stated, connect external components. VIN=VDD = 7.5V, IOUT = 330mA
2. XC6365/66C series external components: CSS=0.033μF, RSS=470kΩ
6/24
XC6365/XC6366
Series
■ELECTRICAL CHARACTERISTICS (Continued)
XC6365B103MR, XC6366B103MR
(VOUT=3.0V, fOSC=300kHz)
MIN. TYP.
2.925 3.000 3.075
Ta=25℃
PARAMETER
Output Voltage
SYMBOL
CONDITIONS
MAX. UNITS
VOUT
VIN
V
V
Maximum Input Voltage
UVLO Voltage
10.0
-
-
Same as IDD1,
VUVLO
IDD1
0.9
-
2.2
V
(Minimum Operating Voltage)
Supply Current 1
Voltage which EXT/pin voltage holding “H” level
No external components, CE=VIN, VOUT=0V
-
-
-
-
55
55
15
-
100
100
27
μA
μA
μA
μA
No external components,
CE=VDD, FB=1.2V
XC6365
XC6366
Supply Current 2
Stand-by Current
IDD2
ISTB
No external components, CE=FB=0V
Measuring of EXT/ waveform,
VIN=output voltage + 0.1V
0.5
Oscillation Frequency
fOSC
255
300
345
kHz
Maximum Duty Ratio
PFM Duty Ratio
MAXDTY
100
15
-
-
%
%
PFMDTY No load (XC6366 only)
25
35
No external components, FB=0V,
CE "High" Voltage
CE "Low" Voltage
VCEH
VCEL
0.65
-
-
-
-
V
V
Voltage which EXT/pin voltage holding “L” level
No external components, VOUT=0V,
Voltage which EXT/pin voltage holding “H” level
Same as IDD2, VEXT/=VIN-0.4V
Same as IDD1, VEXT/=0.4V
0.20
EXT "High" ON Resistance
EXT "Low" ON Resistance
REXTBH
REXTBL
-
-
17
15
24
20
μA
μA
Use of a XP162A12A6
Efficiency
EFFI
tSS
-
92
10
-
%
transistor recommended
Connect RSS, CSS, CE, 0V→ 3.0V
(When VIN≦3.0V, VIN=3.0V)
Soft-Start Time
5
20
ms
Conditions: 1. Unless otherwise stated, connect external components. VIN=VDD = 4.5V, IOUT = 200mA
2. XC6365/66C series external components: CSS=0.033μF, RSS=470kΩ
3. RFB1 = 400kΩ, RFB2 = 200kΩ, CFB = 100ppF
7/24
XC6365/XC6366 Series
■TEST CIRCUITS
Circuit 1. XC6365A, XC6366A
Circuit 2. XC6365B, XC6366B
Circuit 3. XC6365C, XC6366C
8/24
XC6365/XC6366
Series
■TEST CIRCUITS (Continued)
Circuit 4. XC6365D, XC6366D
Circuit 5. XC6365A, XC6366A (when used with a PNP transistor)
Circuit 6. XC6365B, XC6366B (when used with a PNP transistor)
9/24
XC6365/XC6366 Series
■TEST CIRCUITS (Continued)
Circuit 7. XC6365C, XC6366C (when used with a PNP transistor)
Circuit 8. XC6365D, XC6366D (when used with a PNP transistor)
Recommended Components
Tr : XP162A12A6PR (Torex P-channel Power MOSFET)
Please use a PNP transistor where VIN < 2.5V
C, D type (soft-start externally set-up)
CSS : 0.033μF (Ceramic Capacitor)
RSS : 470kΩ(C type), 330kΩ(D type)
L
: 22μH (CR54, SUMIDA, fOSC=300kHz)
47μH (CR75, SUMIDA, fOSC=180kHz)
10μH (CR54, SUMIDA, fOSC=500kHz)
B, D type (FB type)
RFB : Set up so that RFB1 / RFB2 = VOUT – 1
(VOUT = setting output voltage),
SD : MA2Q735 (Schottky Diode, MATSUSHITA)
CL :10V, 47μF (Tantalum capacitor, NICHICHEMl MCE)
CIN :16V 10μF (Tantalum capacitor, NICHICHEMI MCE)
RFB1 = RFB2 ≦ 2MΩ
CFB : Set up so that fzfb = 1÷(2π x CFB x RFB1) is within
the 0.5 to 20kHz range (10kHz conventional)
Adjustments necessary in respect of L, CL.
e.g. : VOUT = 3.0V
PNP Tr. Type
Tr : 2SA1213 (TOSHIBA)
RB : 500Ω(Adjust according to load and Tr. hFE levels)
CB : 2200pF (Ceramic Type)
RFB1 = 400kΩ, RFB2 = 200kΩ, CFB = 100pF
Set up so that CB≦1 / (2π x RB x FOSC x 0.7)
10/24
XC6365/XC6366
Series
■NOTES ON USE
1. Take ample care to ensure that none of the IC's, nor the external component's, absolute maximum ratings are exceeded.
2. Be extremely careful when selecting parts and do not limit your reference to the specifications and characteristics for the
DC/DC converter alone. The IC also depends, to a great extent, upon the external components.
3. Arrange the peripherals in the environs of the IC. In order to reduce wiring impedance, use short, thick wires. In particular,
wire the load capacitor as close as possible and strengthen the ground wiring sufficiently.
4. Ground current during switching may cause the IC's operations to become unstable due to changes in ground voltage, so
please strengthen the IC's GND pin surroundings.
●External Components
1. Setting soft start time
To set a longer soft start time, please use XC6365C or XC6365D series which soft start function is externally set up.
For the measurement of soft start time TSS, the time is needed to be between the maximum and the minimum value indicated
in the chart below. Please set a soft start capacitor CSS according to the application.
2. Setting RFB1 and CFB
fzfb=1 ÷ (2 π × CFB × RFB1)
As the combination of RFB1 and CFB enable to set fzfb between 0.5kHz to 20kHz, within the realm of fzfb=0.5kHz to
fzfb=20kHz as the chart below can be effective.
Under normal condition, please set the combination to configure around fzfb=10kHz.
11/24
XC6365/XC6366 Series
■TYPICAL PERFORMANCE CHARACTERISTICS
12/24
XC6365/XC6366
Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(Continued)
13/24
XC6365/XC6366 Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
14/24
XC6365/XC6366
Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(Continued)
15/24
XC6365/XC6366 Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
16/24
XC6365/XC6366
Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(Continued)
17/24
XC6365/XC6366 Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
18/24
XC6365/XC6366
Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
19/24
XC6365/XC6366 Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
20/24
XC6365/XC6366
Series
■PACKAGING INFORMATION
●SOT-25
●USP-6C
●USP-6C Reference Pattern Layout
●USP-6C Reference Metal Mask Design
21/24
XC6365/XC6366 Series
■MARKING RULE
①Represents product classification
5
4
MARK
PRODUCT SERIES
XC6365A
MARK
PRODUCT SERIES
XC6366A
A
B
C
D
K
L
①
②
③
④
XC6365B
XC6366B
XC6365C
M
N
XC6366C
XC6365D
XC6366D
1
2
3
SOT-25
(TOP VIEW)
②Represents integer of output voltage and oscillation frequency
OSCILLATION FREQUENCY (kHz)
OUTPUT VOLTAGE
100
B
180
1
300
1
500
B
1.x
2.x
3.x
4.x
5.x
6.x
C
2
2
C
D
3
3
D
E
4
4
E
F
5
5
F
H
6
6
H
③Represents decimal number of output voltage and oscillation frequency
OSCILLATION FREQUENCY (kHz)
OUTPUT VOLTAGE
100
0
180
0
300
A
500
A
x.0
x.1
x.2
x.3
x.4
x.5
x.6
x.7
x.8
x.9
1
1
B
B
2
2
C
D
E
C
D
E
3
3
4
4
5
5
F
F
6
6
H
K
H
K
7
7
8
8
L
L
9
9
M
M
④Represents production lot number
0 to 9, A to Z repeated (G, I, J, O, Q, W excepted)
22/24
XC6365/XC6366
Series
■MARKING RULE (Continued)
① Represents product series
MARK
PRODUCT SERIES
XC6365****E*
2
0
XC6366****E*
USP-6C
② Represents product classification
(TOP VIEW)
MARK
PRODUCT SERIES
XC6365/66A***E*
XC6365/66B***E*
XC6365/66C***E*
XC6365/66D***E*
A
B
C
D
③④ Represents output voltage
e.g.:
MARK
PRODUCT SERIES
OUTPUT VOLTAGE (V)
③
3
④
3
3.3
5.0
XC6365/66*33*E*
XC6365/66*50*E*
5
0
⑤ Represents oscillation frequency
MARK
PRODUCT SERIES
XC6365/66***2E*
XC6365/66***3E*
XC6365/66***5E*
OCSILLATION FREQUENCY
2
3
5
180kHz
300kHz
500kHz
⑥ Represents production lot number
0 to 9, A to Z repeated (G, I, J, O, Q, W excepted)
23/24
XC6365/XC6366 Series
1. The products and product specifications contained herein are subject to change without
notice to improve performance characteristics. Consult us, or our representatives
before use, to confirm that the information in this datasheet is up to date.
2. We assume no responsibility for any infringement of patents, patent rights, or other
rights arising from the use of any information and circuitry in this datasheet.
3. Please ensure suitable shipping controls (including fail-safe designs and aging
protection) are in force for equipment employing products listed in this datasheet.
4. The products in this datasheet are not developed, designed, or approved for use with
such equipment whose failure of malfunction can be reasonably expected to directly
endanger the life of, or cause significant injury to, the user.
(e.g. Atomic energy; aerospace; transport; combustion and associated safety
equipment thereof.)
5. Please use the products listed in this datasheet within the specified ranges.
Should you wish to use the products under conditions exceeding the specifications,
please consult us or our representatives.
6. We assume no responsibility for damage or loss due to abnormal use.
7. All rights reserved. No part of this datasheet may be copied or reproduced without the
prior permission of TOREX SEMICONDUCTOR LTD.
24/24
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