BCDSEMI AP2203

Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
General Description
Features
The AP2203 is a 150mA ULDO regulator, which provides ultra low dropout voltage (typically 165mV at
150mA), very low quiescent current (1µA maximum)
in shutdown mode 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.
·
·
·
·
Error Flag to Indicate Undervoltage Fault
Up to 150mA Regulator Output
Low Quiescent Current
Low Dropout Voltage: VDROP=165mV at 150mA
·
·
High Output Accuracy: ±1%
Good Ripple Rejection Ability: 75dB at 100Hz
and IOUT=100µA
·
·
·
·
·
·
·
Tight Load and Line Regulation
Low Temperature Coefficient
Over Current Protection
Thermal Protection
Reverse-battery Protection
Zero Off-mode Current
Logic-controlled Enable
The AP2203 also features an undervoltage monitor
with an error flag output, 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-battery protection.
The AP2203 has 2.5V, 3.0V and 3.3V versions.
Applications
The AP2203 is available in space saving 5-pin SOT23-5 package.
·
·
·
·
·
Cellular Phones
Cordless Phones
Wireless Communicators
PDAs / Palmtops
Consumer Electronics
SOT-23-5
Figure 1. Package Type of AP2203
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
1
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Pin Configuration
K Package
(SOT-23-5)
VIN
1
GND
2
EN
3
5
VOUT
4
FLAG
Figure 2. Pin Configuration of AP2203 (Top View)
Pin Description
Pin Number
Pin Name
Function
1
VIN
Input voltage
2
GND
Ground
3
EN
4
FLAG
Error flag (Output pin): Open-collector output. Active low indicates an output
undervoltage condition
5
VOUT
Regulated output voltage
Enable input: CMOS or TTL compatible input. Logic high=enable, logic
low=shutdown
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
2
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Functional Block Diagram
VIN
1
5
VOUT
R1
FLAG
4
R2
+
+
-
EN
BANDGAP
REF
3
CURRENT LIMIT
THERMAL SHUTDOWN
2
GND
Figure 3. Functional Block Diagram of AP2203
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
3
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Ordering Information
AP2203
E1: Lead Free
Blank: Tin Lead
Circuit Type
TR: Tape and Reel
Package
2.5: Fixed Output 2.5V
3.0: Fixed Output 3.0V
3.3: Fixed Output 3.3V
K: SOT-23-5
Package
SOT-23-5
Temperature
Range
-40 to 125oC
Part Number
Tin Lead
Marking ID
Lead Free
Tin Lead
Lead Free
Packing
Type
AP2203K-2.5TR
AP2203K-2.5TRE1
K3C
E3C
Tape & Reel
AP2203K-3.0TR
AP2203K-3.0TRE1
K3F
E3F
Tape & Reel
AP2203K-3.3TR
AP2203K-3.3TRE1
K3G
E3G
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
4
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Absolute Maximum Ratings (Note 1)
Symbol
Value
Unit
Supply Input Voltage
VIN
15
V
Enable Input Voltage
VEN
15
V
PD
Internally Limited (Thermal Protection)
W
TLEAD
260
TSTG
-65 to 150
oC
300
V
200
oC/W
Parameter
Power Dissipation
Lead Temperature (Soldering, 5sec)
Storage Temperature
ESD (Machine Model)
Thermal Resistance (No Heatsink)
θJA
o
C
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
Min
Max
Unit
Supply Input Voltage
VIN
2.5
13.2
V
Enable Input Voltage
VEN
0
13.2
V
TJ
-40
125
oC
Operating Junction Temperature
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
5
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Electrical Characteristics
AP2203-2.5V Electrical Characteristics
VIN=3.5V, IOUT=100µA, COUT=2.2µF, VEN≥2.0V, TJ=25oC, Bold typeface applies over -40oC<TJ<125oC (note 2), unless otherwise specified.
Parameter
Output Voltage Accuracy
Output Voltage
Temperature Coefficient
(Note 3)
Line Regulation
Symbol
∆VOUT/VOUT
Conditions
Min
Variation from specified VOUT
Typ
Max
-1
1
-2
2
Unit
%
∆VOUT/∆T
120
µV/oC
(∆VOUT/VOUT)/∆T
48
ppm/oC
VRLINE
1.5
VIN=3.5V to 13.2V
4.5
mV
12
Load Regulation
VRLOAD
IOUT=0.1mA to 150mA
(Note 4)
1
mV
15
15
IOUT=100µA
6
50
70
110
IOUT=50mA
Dropout Voltage
(Note 5)
150
230
VDROP
140
IOUT=100mA
mV
250
300
165
IOUT=150mA
275
350
Quiescent Current
IQ
VEN ≤ 0.4V (shutdown)
0.01
VEN ≤ 0.18V (shutdown)
VEN ≥ 2.0V, IOUT=100µA
1
µA
5
100
150
180
Ground Pin Current
(Note 6)
VEN ≥ 2.0V, IOUT=50mA
350
600
VEN ≥ 2.0V, IOUT=100mA
600
1000
800
IGND
µA
1500
VEN ≥ 2.0V, IOUT=150mA
1300
1900
2500
Ripple Rejection
PSRR
frequency=100Hz, IOUT=100µA
75
Current Limit
ILIMIT
VOUT=0V
450
Mar. 2006 Rev. 1. 0
dB
650
mA
BCD Semiconductor Manufacturing Limited
6
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Electrical Characteristics (Continued)
AP2203-2.5V Electrical Characteristics
VIN=3.5V, IOUT=100µA, COUT=2.2µF, VEN≥2.0V, TJ=25oC, Bold typeface applies over -40oC<TJ<125oC (note 2), unless otherwise specified.
Parameter
Symbol
Enable Input Logic-low
Voltage
VIL
Enable Input Logic-high Voltage
VIH
Enable Input Logic-low Current
IIL
Enable Input Logic-high Current
Conditions
Min
Typ
Max
0.4
Regulator shutdown
Unit
V
0.18
IIH
Regulator enabled
2.0
VIL≤ 0.4V
V
0.01
VIL≤ 0.18V
-1
µA
-2
VIL≥ 2.0V
5
VIL≥ 2.0V
20
µA
25
Flag Threshold
VERR
Undervoltage condition
(below nominal) (Note 7)
Output Logic-low Voltage
(Note 8)
VOL
IFL=1mA
Undervoltage condition
Flag Leakage Current
IFL
Flag off, VFLAG=0V to 13.2V
-10
-0.1
-6
-2
%
0.2
0.4
V
0.1
1
µA
Note 2: Specifications in bold type are limited to -40oC<TJ<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 2% below its nominal
value measured at 1V differential.
Note 6: Ground pin current is the regulator quiescent 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.
Note 7: The error flag comparator includes 2.5% hysteresis.
Note 8: The FLAG pin will be enabled if EN pin voltage is high, and disabled if EN pin voltage is low.
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
7
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Electrical Characteristics (Continued)
AP2203-3.0V Electrical Characteristics
VIN=4V, IOUT=100µA, COUT=2.2µF, VEN≥2.0V, TJ=25oC, Bold typeface applies over -40oC<TJ<125oC (note 2), unless otherwise specified.
Parameter
Output Voltage Accuracy
Output Voltage
Temperature Coefficient
(Note 3)
Line Regulation
Symbol
∆VOUT/VOUT
Conditions
Min
Variation from specified VOUT
Typ
Max
-1
1
-2
2
Unit
%
∆VOUT/∆T
120
µV/oC
(∆VOUT/VOUT)/∆T
40
ppm/oC
VRLINE
1.5
VIN=4V to 13.2V
4.5
mV
12
Load Regulation
VRLOAD
IOUT=0.1mA to 150mA
(Note 4)
1
mV
15
15
IOUT=100µA
6
50
70
110
IOUT=50mA
Dropout Voltage
(Note 5)
150
230
VDROP
140
IOUT=100mA
mV
250
300
165
IOUT=150mA
275
350
Quiescent Current
IQ
VEN ≤ 0.4V (shutdown)
0.01
VEN ≤ 0.18V (shutdown)
VEN ≥ 2.0V, IOUT=100µA
1
µA
5
100
150
180
Ground Pin Current
(Note 6)
VEN ≥ 2.0V, IOUT=50mA
350
600
VEN ≥ 2.0V, IOUT=100mA
600
1000
800
IGND
µA
1500
VEN ≥ 2.0V, IOUT=150mA
1300
1900
2500
Ripple Rejection
PSRR
frequency=100Hz, IOUT=100µA
75
Current Limit
ILIMIT
VOUT=0V
450
Mar. 2006 Rev. 1. 0
dB
650
mA
BCD Semiconductor Manufacturing Limited
8
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Electrical Characteristics (Continued)
AP2203-3.0V Electrical Characteristics
VIN=4V, IOUT=100µA, COUT=2.2µF, VEN≥2.0V, TJ=25oC, Bold typeface applies over -40oC<TJ<125oC (note 2), unless otherwise specified.
Parameter
Symbol
Enable Input Logic-low
Voltage
VIL
Enable Input Logic-high Voltage
VIH
Enable Input Logic-low Current
IIL
Enable Input Logic-high Current
Conditions
Min
Typ
Max
0.4
Regulator shutdown
Unit
V
0.18
IIH
Regulator enabled
2.0
VIL≤ 0.4V
V
0.01
VIL≤ 0.18V
-1
µA
-2
VIL≥ 2.0V
5
VIL≥ 2.0V
20
µA
25
Flag Threshold
VERR
Undervoltage condition
(below nominal) (Note 7)
Output Logic-low Voltage
(Note 8)
VOL
IFL=1mA
Undervoltage condition
Flag Leakage Current
IFL
Flag off, VFLAG=0V to 13.2V
-10
-0.1
-6
-2
%
0.2
0.4
V
0.1
1
µA
Note 2: Specifications in bold type are limited to -40oC<TJ<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 2% below its nominal
value measured at 1V differential.
Note 6: Ground pin current is the regulator quiescent 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.
Note 7: The error flag comparator includes 2.5% hysteresis.
Note 8: The FLAG pin will be enabled if EN pin voltage is high, and disabled if EN pin voltage is low.
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
9
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Electrical Characteristics (Continued)
AP2203-3.3V Electrical Characteristics
VIN=4.3V, IOUT=100µA, COUT=2.2µF, VEN≥2.0V, TJ=25oC, Bold typeface applies over -40oC<TJ<125oC (note 2), unless otherwise specified.
Parameter
Output Voltage Accuracy
Output Voltage
Temperature Coefficient
(Note 3)
Line Regulation
Symbol
∆VOUT/VOUT
Conditions
Min
Variation from specified VOUT
Typ
Max
-1
1
-2
2
Unit
%
∆VOUT/∆T
120
µV/oC
(∆VOUT/VOUT)/∆T
36
ppm/oC
VRLINE
1.5
VIN=4.3V to 13.2V
4.5
mV
12
Load Regulation
VRLOAD
IOUT=0.1mA to 150mA
(Note 4)
1
mV
15
15
IOUT=100µA
6
50
70
110
IOUT=50mA
Dropout Voltage
(Note 5)
150
230
VDROP
140
IOUT=100mA
mV
250
300
165
IOUT=150mA
275
350
Quiescent Current
IQ
VEN ≤ 0.4V (shutdown)
0.01
VEN ≤ 0.18V (shutdown)
VEN ≥ 2.0V, IOUT=100µA
1
µA
5
100
150
180
VEN ≥ 2.0V, IOUT=50mA
Ground Pin Current
(Note 6)
350
600
800
IGND
VEN ≥ 2.0V, IOUT=100mA
600
µA
1000
1500
VEN ≥ 2.0V, IOUT=150mA
1300
1900
2500
Ripple Rejection
PSRR
frequency=100Hz, IOUT=100µA
75
Current Limit
ILIMIT
VOUT=0V
450
Mar. 2006 Rev. 1. 0
dB
650
mA
BCD Semiconductor Manufacturing Limited
10
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Electrical Characteristics (Continued)
AP2203-3.3V Electrical Characteristics
VIN=4.3V, IOUT=100µA, COUT=2.2µF, VEN≥2.0V, TJ=25oC, Bold typeface applies over -40oC<TJ<125oC (note 2), unless otherwise specified.
Parameter
Symbol
Enable Input Logic-low
Voltage
VIL
Enable Input Logic-high Voltage
VIH
Enable Input Logic-low Current
IIL
Enable Input Logic-high Current
Conditions
Min
Typ
Max
0.4
Regulator shutdown
Unit
V
0.18
IIH
Regulator enabled
2.0
VIL≤ 0.4V
V
0.01
VIL≤ 0.18V
-1
µA
-2
VIL≥ 2.0V
5
VIL≥ 2.0V
20
µA
25
Flag Threshold
VERR
Undervoltage condition
(below nominal) (Note 7)
Output Logic-low Voltage
(Note 8)
VOL
IFL=1mA
Undervoltage condition
Flag Leakage Current
IFL
Flag off, VFLAG=0V to 13.2V
-10
-0.1
-6
-2
%
0.2
0.4
V
0.1
1
µA
Note 2: Specifications in bold type are limited to -40oC<TJ<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 2% below its nominal
value measured at 1V differential.
Note 6: Ground pin current is the regulator quiescent 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.
Note 7: The error flag comparator includes 2.5% hysteresis.
Note 8: The FLAG pin will be enabled if EN pin voltage is high, and disabled if EN pin voltage is low.
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
11
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Typical Performance Characteristics
350
3.0150
3.0125
AP2203-3.0V
IOUT=50mA
300
IOUT=100mA
Dropout Voltage (mV)
3.0100
Output Voltage (V)
3.0075
3.0050
3.0025
3.0000
2.9975
2.9950
250
IOUT=150mA
CIN=1.0µF, COUT=2.2µF
200
150
100
2.9925
2.9900
50
2.9875
2.9850
-50
-25
0
25
50
75
100
0
-50
125
-25
o
0
25
75
100
125
o
Junction Temperature ( C)
Junction Temperature ( C)
Figure 4. Output Voltage vs. Junction Temperature
Figure 5. Dropout Voltage vs. Junction Temperature
2.00
1.2
AP2203-3.0V
IOUT=50mA
1.1
1.75
Ground Pin Current (mA)
1.0
Ground Pin Current (mA)
50
0.9
0.8
0.7
0.6
0.5
0.4
0.3
IOUT=100mA
1.50
IOUT=150mA
VIN=4V,CIN=1.0µF,COUT=2.2µF
1.25
1.00
0.75
0.50
0.2
0.25
0.1
0.00
-50
0.0
0
25
50
75
100
125
150
-25
0
25
50
75
100
125
o
Junction Temperature ( C)
Output Current (mA)
Figure 7. Ground Pin Current vs. Junction Temperature
Figure 6. Ground Pin Current vs. Output Current
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
12
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Typical Performance Characteristics (Continued)
2.0
20
VEN=1.8V
AP2203-3.0V
VEN=2.0V
16
VEN=3.0V
14
VEN=3.7V
VEN=off
1.6
VIN=4V, CIN=1.0µF,
12
AP2203-3.0V
VEN=on
1.8
Enable Voltage (V)
Enable Current (µA)
18
COUT=2.2µF, IOUT=100µA
10
8
6
CIN=1.0µF, COUT=2.2µF,
VIN=4V, IOUT=100µA
1.4
1.2
1.0
0.8
4
0.6
2
0
-50
-25
0
25
50
75
100
0.4
-50
125
-25
0
o
50
75
100
125
o
Junction Temperature ( C)
Figure 8. Enable Current vs. Junction Temperature
Figure 9. Enable Voltage vs. Junction Temperature
600
10
AP2203-3.0V
1
IOUT (mA)
AP2203-3.0V
SOT-23-5 Package
VIN=4.5V, IOUT=10mA
CIN=1µF, COUT=2.2µF
400
200
0
100m
∆VOUT (mV)
Output Noise ( µV/ Hz)
25
Junction Temperature ( C)
10m
1m
10
100
1k
10k
100k
1M
10M
0
-200
-400
-600
0
Frequency (Hz)
20
40
60
80 100 120 140 160 180 200
Time (µs)
Figure 10. Output Noise vs. Frequency
Figure 11. Load Transient
(Conditions: VIN=4V, VEN=2V, IOUT=5mA to 200mA,
CIN=1µF, COUT=2.2µF)
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
13
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Typical Performance Characteristics (Continued)
6
6
AP2203-3.0V
AP2203-3.0V
VEN (V)
4
4
2
3
0
0
2
VOUT (V)
∆VOUT (mV)
VIN (v)
5
-50
-100
0
-2
-4
-150
0
100 200 300 400 500 600 700 800 900 1000
0
40
80
120 160 200 240 280 320 360 400
Time (µs)
Time (µs)
Figure 13. VEN(on) vs. VOUT
(Conditions: VEN=0 to 2V, VIN=4V, IOUT=30mA,
CIN=1.0µF, COUT=2.2µF)
Figure 12. Line Transient
(Conditions: VIN=4 to 5V, VEN=2V, IOUT=100µA
CIN=1µF, COUT=10µF)
100
0.8
SOT-23-5 Package
No Heatsink
0.7
AP2203-3.0V
80
Power Dissipation (W)
PSRR (dB)
0.6
60
40
20
0
0.5
0.4
0.3
0.2
0.1
0.0
25
10
100
1000
10K
100K
1M
10M
50
75
100
125
150
o
Ambient Temperature ( c)
Frequency (Hz)
Figure 14. PSRR vs. Frequency
(Conditions: CIN=1.0µF, COUT=2.2µF, VIN=4V,
IOUT=100mA, VEN=2V)
Figure 15. Power Dissipation vs. Ambient Temperature
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
14
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Typical Performance Characteristics (Continued)
100
100
COUT=2.2µF
COUT=1µF
10
Stable Area
ESR (Ω)
ESR (Ω)
10
1
Stable Area
1
0.1
0.1
0.01
0.01
0
25
50
75
100
125
0
150
20
40
60
80
100
120
Output Current (mA)
Output Current (mA)
Figure 16. ESR vs. Output Current
Figure 17. ESR vs. Output Current
140
100
COUT=4.7µF
ESR (Ω)
10
Stable Area
1
0.1
0.01
0
25
50
75
100
125
150
Output Current (mA)
Figure 18. ESR vs. Output Current
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
15
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Typical Application
AP2203-3.0
VIN=4.0V
VIN
VIN
VOUT=3.0V
VOUT
VOUT
GND
+ COUT
CIN
1.0 µ F
EN
2.2 µ F
tantalum
FLAG
VEN=2.0V
100k
Figure 19. Typical Application of AP2203
Note 9: 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 AP2203-3.0V version, its input voltage can be set from 3.5V(VOUT+0.5V) to 13.2V.
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
16
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Application Information
Input Capacitor
A 1µF minimum capacitor is recommended to be
placed between VIN and GND.
Where: TJ≤TJ(max), TJ(max) is absolute maximum ratings for the junction temperature; VIN*IGND can be
ignored due to its small value.
Output Capacitor
It is required to prevent oscillation. 1.0µF minimum
is recommended The output capacitor may be
increased to improve transient response.
TJ(max) is 150oC while θJA is 200oC/W, no heatsink is
required since the package alone will dissipate
enough heat to satisfy these requirements unless the
calculated value for power dissipation exceeds the
limit.
Power Dissipation
Thermal shutdown may take place if exceeding the
maximum power dissipation in application. Under all
possible operating conditions, the junction temperature must be within the range specified under absolute maximum ratings to avoid thermal shutdown.
Take 3.0V version as an example:
IOUT=150mA, TA=50oC, VIN(Max) is:
(150oC-50oC)/(0.15A*200oC/W)+3.0V=6.333V
Therefore, for good performance, please make sure
that input voltage is less than 6.333V without heatsink when TA=50oC.
To determine if the power dissipated in the regulator
reaches the maximum power dissipation (see figure
15), using:
TJ = PD*θJA + TA
PD=(VIN-VOUT)*IOUT+VIN*IGND
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
17
Preliminary Datasheet
150mA RF ULDO REGULATOR WITH ERROR FLAG
AP2203
Mechanical Dimensions
SOT-23-5
Unit: mm(inch)
0.300(0.012)
0.600(0.024)
1.500(0.059)
1.700(0.067)
0.100(0.004)
0.200(0.008)
2.950(0.116)
2.650(0.104)
2.820(0.111)
3.020(0.119)
0.200(0.008)
0.700(0.028)
REF
0.300(0.012)
0.400(0.016)
0°
8°
1.800(0.071)
2.000(0.079)
1.250(0.049)
1.050(0.041)
0.950(0.037)
TYP
0.000(0.000)
0.100(0.004)
1.050(0.041)
1.150(0.045)
Mar. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
18
http://www.bcdsemi.com
IMPORTANT NOTICE
BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any
particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use
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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