AP2201K-3.0TRE1 [DIODES]
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DIODES INCORPORATED 
Data Sheet
150mA RF ULDO REGULATOR
AP2201
General Description
Features
The AP2201 is a 150mA output current fixed voltage
regulator designed to provide very low noise, ultra low
dropout voltage (typically 165mV at 150mA), very
low standby current (1µA maximum) and excellent
power supply ripple rejection (PSRR 75dB at 100Hz)
in battery powered applications, such as handsets and
PDAs and in noise sensitive applications, such as RF
electronics.
·
Up to 150mA Output Current
Low Standby Current
·
·
Low Dropout Voltage: V
=165mV at 150mA
DROP
·
·
High Precision Output Voltage: ±1%
Good Ripple Rejection Ability: 75dB at 100Hz
and I
=100µA
OUT
·
·
·
·
·
·
Tight Load and Line Regulation
Low Temperature Coefficient
Over Current Protection
Thermal Protection
Reverse-battery Protection
Logic-controlled Enable
The AP2201 also features individual logic compatible
enable/shutdown control inputs, a low power shutdown
mode for extended battery life, over current protection,
over temperature protection, as well as reversed-bat-
tery protection.
Applications
The AP2201 has 2.6V, 2.8V and 3.0V versions.
The AP2201 is available in space saving 5-pin SOT-
23-5 package.
·
·
·
·
·
·
·
Cellular Phones
Cordless Phones
Digital Still Cameras
Wireless Communicators
PDAs / Palmtops
PC Mother Board
Consumer Electronics
SOT-23-5
Figure 1. Package Type of AP2201
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
1
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Pin Configuration
K Package
(SOT-23-5)
VIN
EN
5
4
1
2
GND
BYP
VOUT
3
Figure 2. Pin Configuration of AP2201 (Top View)
Pin Description
Pin Number
Pin Name
EN
Function
Logic high enable input
1
2
3
4
GND
Ground
BYP
Bypass capacitor for low noise operation
Regulated output voltage
VOUT
5
VIN
Input voltage
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
2
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Functional Block Diagram
5
4
VOUT
VIN
3
BYP
+
-
Bandgap
Ref.
1
EN
Current Limit
Thermal Shutdown
2
GND
Figure 3. Functional Block Diagram of AP2201
Ordering Information
AP2201
-
E1: Lead Free
Blank: Tin Lead
Circuit Type
TR: Tape and Reel
Package
2.6: Fixed Output 2.6V
2.8: Fixed Output 2.8V
3.0: Fixed Output 3.0V
K: SOT-23-5
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
3
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Ordering Information (Continued)
Part Number
Tin Lead Lead Free
Marking ID
Temperature
Range
Package
Packing Type
Tin Lead
Lead Free
E1E
AP2201K-2.6TR AP2201K-2.6TRE1
AP2201K-2.8TR AP2201K-2.8TRE1
AP2201K-3.0TR AP2201K-3.0TRE1
K1E
K1G
K1I
Tape & Reel
Tape & Reel
Tape & Reel
-40 to 125oC
SOT-23-5
E1G
E1I
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Absolute Maximum Ratings (Note 1)
Parameter
Symbol
VIN
Value
Unit
V
Supply Input Voltage
Enable Input Voltage
15
VEN
PD
15
V
Power Dissipation
Internally Limited (Thermal Protection)
W
oC
oC
Lead Temperature (Soldering, 10sec)
Junction Temperature
Storage Temperature
TLEAD
TJ
260
150
oC
V
TSTG
-65 to 150
200
ESD (Machine Model)
Thermal Resistance (No Heatsink)
oC/W
θJA
SOT-23-5
200
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device.
These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated
under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods
may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
VIN
Min
2.5
0
Max
13.2
13.2
125
Unit
V
Supply Input Voltage
Enable Input Voltage
Operating Junction Temperature
VEN
TJ
V
oC
-40
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
4
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Electrical Characteristics
AP2201-2.6 Electrical Characteristics
VIN=3.6V, IOUT =100
µ
A, CIN=1
µ
F, COUT=2.2
µ
F, VEN
≥
2.0V, TJ=25oC, Bold typeface applies over -40oC
≤TJ≤
125oC (Note 2),
unless otherwise specified.
Parameter
Symbol
Conditions
Min
-1
Typ
Max
Unit
Variation from specified
VOUT
1
∆VOUT/VOUT
∆VO UT/∆T
Output Voltage Accuracy
%
-2
2
µV/oC
120
Output Voltage
Temperature Coefficient
(Note 3)
ppm/oC
(∆VOUT/VOUT)/∆T
VRLINE
46
1
3
13
VIN=3.6V to 13.2V
IOUT=0.1mA to 150mA
IOUT=100µA
Line Regulation
mV
Load Regulation
(Note 4)
1
8
VRLOAD
VDROP
ISTD
mV
mV
µA
16
15
50
70
110
140
165
0.01
180
182
350
600
1300
150
230
250
300
275
350
1
I
I
I
OUT=50mA
OUT=100mA
OUT=150mA
Dropout Voltage
(Note 5)
VEN ≤ 0.4V (shutdown)
VEN ≤ 0.18V (shutdown)
Standby Current
5
245
265
250
270
600
800
1000
1500
1900
2500
VEN ≥ 2.0V, IOUT=0µA
VEN ≥ 2.0V, IOUT=100µA
VEN ≥ 2.0V, IOUT=50mA
VEN ≥ 2.0V, IOUT=100mA
VEN ≥ 2.0V, IOUT=150mA
Ground Pin Current
(Note 6)
IGND
µA
Ripple Rejection
Current Limit
PSRR
ILIMIT
frequency=100Hz, IOUT=100µA
75
dB
VOUT = 0V
320
550
mA
IOUT=50mA, COUT=2.2µF,
100pF from BYP to GND
eno
260
Output Noise
nV / Hz
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
5
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Electrical Characteristics (Continued)
AP2201-2.6 Electrical Characteristics
VIN=3.6V, IOUT=100
µ
A, CIN=1
µ
F, COUT=2.2
µ
F, VEN
≥
2.0V, TJ=25oC, Bold typeface applies over -40oC
≤TJ≤
125oC (Note 2),
unless otherwise specified.
Parameter
Symbol
Conditions
Min
2.0
Typ
Max
0.4
Unit
Enable Input Logic-low
Voltage
VIL
Regulator shutdown
Regulator enabled
V
0.18
Enable Input Logic-high
Voltage
VIH
V
VIL≤ 0.4V
VIL≤ 0.18V
VIL≥ 2.0V
VIL≥ 2.0V
0.01
5
1
2
Enable Input Logic-low
Current
IIL
µA
µA
20
25
Enable Input Logic-high
Current
IIH
≤TJ≤
Note 2: Specifications in bold type are limited to -40oC 125oC. Limits over temperature are guaranteed by design, but not
tested in production.
Note 3: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature
range.
Note 4: Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load
regulation in the load range from 0.1mA to 150mA. Changes in output voltage due to heating effects are covered by the thermal
regulation specification.
Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 1% (TJ=25oC) or 2% (-
≤TJ≤
40oC 125oC) below its nominal value measured at 1V differential.
Note 6: Ground pin current is the regulator standby current plus pass transistor base current. The total current drawn from the
supply is the sum of the load current plus the ground pin current.
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
6
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Electrical Characteristics (Continued)
AP2201-2.8 Electrical Characteristics
VIN=3.8V, IOUT=100
µ
A, CIN=1
µ
F, COUT=2.2
µ
F, VEN
≥
2.0V, TJ=25oC, Bold typeface applies over -40oC
≤TJ≤
125oC (Note 2),
unless otherwise specified.
Parameter
Symbol
Conditions
Min
-1
Typ
Max
Unit
Variation from specified
VOUT
1
∆VOUT/VOUT
∆VO UT/∆T
Output Voltage Accuracy
%
-2
2
µV/oC
120
Output Voltage
Temperature Coefficient
(Note 3)
ppm/oC
(∆VOUT/VOUT)/∆T
42.8
1
4
14
VRLINE
VIN=3.8V to 13.2V
IOUT=0.1mA to 150mA
IOUT=100µA
Line Regulation
mV
Load Regulation
(Note 4)
1
9
VRLOAD
VDROP
ISTD
mV
mV
µA
18
15
50
70
110
140
165
0.01
180
182
350
600
1300
150
230
250
300
275
350
1
I
I
I
OUT=50mA
OUT=100mA
OUT=150mA
Dropout Voltage
(Note 5)
VEN ≤ 0.4V (shutdown)
VEN ≤ 0.18V (shutdown)
Standby Current
5
245
265
250
270
600
800
1000
1500
1900
2500
VEN ≥ 2.0V, IOUT=0µA
VEN ≥ 2.0V, IOUT=100µA
VEN ≥ 2.0V, IOUT=50mA
VEN ≥ 2.0V, IOUT=100mA
VEN ≥ 2.0V, IOUT=150mA
Ground Pin Current
(Note 6)
IGND
µA
Ripple Rejection
Current Limit
PSRR
ILIMIT
frequency=100Hz, IOUT=100µA
75
dB
VOUT = 0V
320
550
mA
IOUT=50mA, COUT=2.2µF,
100pF from BYP to GND
eno
260
Output Noise
nV / Hz
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
7
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Electrical Characteristics (Continued)
AP2201-2.8 Electrical Characteristics
VIN=3.8V, IOUT=100
µ
A, CIN=1
µ
F, COUT=2.2
µ
F, VEN
≥
2.0V, TJ=25oC, Bold typeface applies over -40oC
≤TJ≤
125oC (Note 2),
unless otherwise specified.
Parameter
Symbol
Conditions
Min
2.0
Typ
Max
0.4
Unit
Enable Input Logic-low
Voltage
VIL
Regulator shutdown
Regulator enabled
V
0.18
Enable Input Logic-high
Voltage
VIH
V
VIL≤ 0.4V
VIL≤ 0.18V
VIL≥ 2.0V
VIL≥ 2.0V
0.01
5
1
2
Enable Input Logic-low
Current
IIL
µA
µA
20
25
Enable Input Logic-high
Current
IIH
≤TJ≤
Note 2: Specifications in bold type are limited to -40oC 125oC. Limits over temperature are guaranteed by design, but not
tested in production.
Note 3: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature
range.
Note 4: Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load
regulation in the load range from 0.1mA to 150mA. Changes in output voltage due to heating effects are covered by the thermal
regulation specification.
Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 1% (TJ=25oC) or 2% (-
≤TJ≤
40oC 125oC) below its nominal value measured at 1V differential.
Note 6: Ground pin current is the regulator standby current plus pass transistor base current. The total current drawn from the
supply is the sum of the load current plus the ground pin current.
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
8
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Electrical Characteristics (Continued)
AP2201-3.0 Electrical Characteristics
VIN=4V, IOUT=100
µ
A, CIN=1
µ
F, COUT=2.2
µ
F, VEN
≥
2.0V, TJ=25oC, Bold typeface applies over -40oC
≤
TJ≤
125oC (Note 2),
unless otherwise specified.
Parameter
Symbol
Conditions
Min
-1
Typ
Max
Unit
Variation from specified
VOUT
1
∆VOUT/VOUT
∆VO UT/∆T
Output Voltage Accuracy
%
-2
2
µV/oC
120
Output Voltage
Temperature Coefficient
(Note 3)
ppm/oC
(∆VOUT/VOUT)/∆T
40
1
4
VRLINE
VIN=4V to 13.2V
IOUT=0.1mA to 150mA
IOUT=100µA
Line Regulation
mV
14
Load Regulation
(Note 4)
1
9
VRLOAD
VDROP
ISTD
mV
mV
µA
18
15
50
70
110
140
165
0.01
180
182
350
600
1300
150
230
250
300
275
350
1
I
I
I
OUT=50mA
OUT=100mA
OUT=150mA
Dropout Voltage
(Note 5)
VEN ≤ 0.4V (shutdown)
VEN ≤ 0.18V (shutdown)
Standby Current
5
245
265
250
270
600
800
VEN ≥ 2.0V, IOUT=0µA
VEN ≥ 2.0V, IOUT=100µA
VEN ≥ 2.0V, IOUT=50mA
VEN ≥ 2.0V, IOUT=100mA
VEN ≥ 2.0V, IOUT=150mA
Ground Pin Current
(Note 6)
IGND
µA
1000
1500
1900
2500
Ripple Rejection
Current Limit
PSRR
ILIMIT
frequency=100Hz, IOUT=100µA
75
dB
VOUT = 0V
320
550
mA
IOUT=50mA, COUT=2.2µF,
100pF from BYP to GND
eno
260
Output Noise
nV / Hz
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
9
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Electrical Characteristics (Continued)
AP2201-3.0 Electrical Characteristics
VIN=4V, IOUT=100
µ
A, CIN=1
µ
F, COUT=2.2
µ
F, VEN
≥
2.0V, TJ=25oC, Bold typeface applies over -40oC
≤
TJ≤
125oC (Note 2),
unless otherwise specified.
Parameter
Symbol
Conditions
Min
2.0
Typ
Max
0.4
Unit
Enable Input Logic-low
Voltage
VIL
Regulator shutdown
Regulator enabled
V
0.18
Enable Input Logic-high
Voltage
VIH
V
VIL≤ 0.4V
VIL≤ 0.18V
VIL≥ 2.0V
VIL≥ 2.0V
0.01
5
1
2
Enable Input Logic-low
Current
IIL
µA
µA
20
25
Enable Input Logic-high
Current
IIH
≤TJ≤
Note 2: Specifications in bold type are limited to -40oC 125oC. Limits over temperature are guaranteed by design, but not
tested in production.
Note 3: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature
range.
Note 4: Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load
regulation in the load range from 0.1mA to 150mA. Changes in output voltage due to heating effects are covered by the thermal
regulation specification.
Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 1% (TJ=25oC) or 2% (-
≤TJ≤
40oC 125oC) below its nominal value measured at 1V differential.
Note 6: Ground pin current is the regulator standby current plus pass transistor base current. The total current drawn from the
supply is the sum of the load current plus the ground pin current.
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
10
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Typical Performance Characteristics
350
300
250
200
150
100
50
2.900
CIN=1.0µF, COUT=2.2µF
AP2201-2.8
2.875
VIN=3.8V, IOUT=10mA
CIN=1.0µF, COUT=2.2µF
2.850
2.825
2.800
2.775
2.750
2.725
2.700
IOUT=50mA
IOUT=100mA
IOUT=150mA
0
-60
-40
-20
0
20
40
60
80
100
120
140
-60
-40
-20
0
20
40
60
80
100
120
140
Junction Temperature (oC)
Junction Temperature (oC)
Figure 4. Output Voltage vs. Junction Temperature
Figure 5. Dropout Voltage vs. Junction Temperature
5000
6
AP2201-2.8
VIN=3.8V,VEN=2.0V
TJ=25oC
5
4000
4
3
CIN=1.0µF, COUT=2.2µF
CIN=1.0µF, COUT=2.2µF
3000
IOUT=50mA
IOUT=100mA
2
2000
IOUT=150mA
1
1000
0
0
-1000
-2000
-1
-2
-3
-4
-60
-40
-20
0
20
40
60
80
100
120
140
0
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
Output Current (mA)
Junction Temperature (oC)
Figure 6. Ground Pin Current vs. Output Current
Figure 7. Ground Pin Current vs. Junction Temperature
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
11
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Typical Performance Characteristics (Continued)
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
20
18
16
14
12
10
8
AP2201-2.8
CIN=1.0µF,COUT=2.2µF
AP2201-2.8
VIN=3.8V, CIN=1.0µF,
VIN=3.8V, IOUT=5mA
COUT=2.2µF, IOUT=100µA
VEN=1.8V
VEN=2.0V
VEN=3.0V
VEN=4.0V
VEN=logic high
VEN=logic low
6
4
2
0
-60
-60
-40
-20
0
20
40
60
80
100
120
140
-40
-20
0
20
40
60
80
100
120
140
Junction Temperature (oC)
Junction Temperature (oC)
Figure 8. Enable Current vs. Junction Temperature
Figure 9. Enable Voltage vs. Junction Temperature
200
10
IOUT=10mA
AP2201-2.8
CIN=1.0µF, COUT=2.2µF, CBYP=100pF
CIN=1.0µF, COUT=2.2µF
VIN=4.5V, IOUT=10mA
1
Noise Measurement Filter: DIN Noise
150
0.1
100
50
0
0.01
0.001
10
100
1k
10k
100k
1M
10M
10
100
1000
10000
Frequency (Hz)
Bypass Capacitor (pF)
Figure 10. Noise vs. Bypass Capacitor
Figure 11. Output Noise vs. Frequency
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
12
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Typical Performance Characteristics (Continued)
5.8
4.8
3.8
2.8
20
150
100
50
AP2201-2.8
AP2201-2.8
0
0
50
0
-20
-40
-60
-50
-100
0
20
40 60 80 100 120 140 160 180 200
0
10 20 30 40 50
Time (
60 70
80 90 100
µs)
Time (µs)
Figure 13. Line Transient
(Conditions: VIN=3.8V to 4.8V, VEN=2V, IOUT=100µA
CBYP=100pF, COUT=10µF)
Figure 12. Load Transient
(Conditions: V =3.8V, C =100pF, V =2V
IN
BYP
EN
I
=5mA to 50mA, C =1.0
µF, C
=2.2µF)
OUT
IN
OUT
4
2
100
AP2201-2.8
AP2201-2.8
90
VIN=3.8V,VRIPPLE=1VPP
80
IOUT=10mA, COUT=2.2µF
0
70
60
50
40
30
20
10
0
-2
1
0
-1
-2
10
100
1k
10k
100k
1M
0
100 200 300 400 500 600 700 800 900 1000
Frequency (Hz)
Time (µs)
Figure 14. V vs. V
Figure 15. PSRR vs. Frequency
EN
OUT
(Conditions: V =0V to 2V, V =3.8V, I =30mA,
EN
IN
OUT
C
=open, C =1.0
µF, C
=2.2µF)
BYP
IN
OUT
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
13
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Typical Performance Characteristics (Continued)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
100
10
SOT-23-5 Package
No Heatsink
COUT=1.0µF
No Bypass Capacitor
1
Stable Area
0.1
0.01
25
50
75
100
125
150
0
25
50
75
100
125
150
Ambient Temperature (oC)
Output Current (mA)
Figure 16. Power Dissipation vs. Ambient Temperature
Figure 17. ESR vs. Output Current
100
100
10
COUT=2.2µF
COUT=4.7µF
10
No Bypass Capacitor
No Bypass Capacitor
Stable Area
Stable Area
1
1
0.1
0.01
0.1
0.01
0
20
40
60
80
100
120
140
0
25
50
75
100
125
150
Output Current (mA)
Output Current (mA)
Figure 18. ESR vs. Output Current
Figure 19. ESR vs. Output Current
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
14
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Typical Application
AP2201-2.8
VIN=3.8V
VOUT=2.8V
VOUT
VIN
VOUT
VIN
EN
COUT
2.2µF
CIN
1.0µF
BYP
CBYP
100pF
GND
Figure 20. Typical Application of AP2201 (Note 7)
Note 7: Dropout voltage is 165mV when TA=25oC. In order to obtain a normal output voltage, VOUT+0.165V is the minimum
input voltage which will results a low PSRR, imposing a bad influence on system. Therefore, the recommended input voltage
is VOUT+0.5V to 13.2V. For AP2201-2.8 version, its input voltage can be set from 3.3V(VOUT+0.5V) to 13.2V.
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
15
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Application Information
Input Capacitor
T = P *θJA + T
J D A
A 1µF minimum capacitor is recommended to be
P =(V -V
)*I
+V *I
D
IN OUT OUT IN GND
placed between V and GND.
IN
Where: T ≤T
, T
is absolute maximum rat-
J
J(max) J(max)
Output Capacitor
It is required to prevent oscillation. 1.0µF minimum
is recommended when C
ings for the junction temperature; V *I
can be
IN GND
ignored due to its small value.
is unused. 2.2µF mini-
BYP
mum is recommended when C
is 100pF. The out-
BYP
T
is 150oC, θJA is 200oC/W for SOT-23-5 pack-
J(max)
put capacitor may be increased to improve transient
response.
age, no heatsink is required since the package alone
will dissipate enough heat to satisfy these require-
ments unless the calculated value for power dissipa-
tion exceeds the limit.
Noise Bypass Capacitor
Bypass capacitor is connected to the internal voltage
reference. A 100pF capacitor connected from BYP to
GND make this reference quiet, resulting in a
significant reduction in output noise, but the ESR sta-
ble area will be narrowed.
Example: For 2.8V version packaged in SOT-23-5,
o
I
=150mA, T =50 C, V
is:
IN(Max)
OUT
A
(150oC-50oC)/(0.15A*200oC/W)+2.8V=6.133V
Therefore, for good performance, please make sure
that input voltage is less than 6.133V without heat-
The start-up speed of the AP2201 is inversely
proportional to the value of reference bypass
capacitor. In some cases, if output noise is not a
major concern and rapid turn-on is necessary, omit
o
sink when T =50 C.
A
C
and leave BYP open.
BYP
Power Dissipation
Thermal shutdown may take place if exceeding the
maximum power dissipation in application. Under all
possible operating conditions, the junction tempera-
ture must be within the range specified under abso-
lute maximum ratings to avoid thermal shutdown.
To determine if the power dissipated in the regulator
reaches the maximum power dissipation (see figure
16), using:
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
16
Data Sheet
150mA RF ULDO REGULATOR
AP2201
Mechanical Dimensions
SOT-23-5
Unit: mm(inch)
2.820(0.111)
3.020(0.119)
0.100(0.004)
0.200(0.008)
0.200(0.008)
0.700(0.028)
REF
0.300(0.012)
0.400(0.016)
0°
8°
0.950(0.037)
TYP
1.800(0.071)
2.000(0.079)
0.000(0.000)
0.100(0.004)
1.050(0.041)
1.150(0.045)
Nov. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
17
http://www.bcdsemi.com
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of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or
other rights nor the rights of others.
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