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Datasheet: AP2202K-3.3TRE1 (BCD Semiconductor Manufacturing)

150mA RF ULDO REGULATOR

 

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BCD Semiconductor Manufacturing
150mA RF ULDO REGULATOR AP2202
Preliminary Datasheet
1
Aug. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
General Description
The AP2202 is a 150mA ULDO regulator which pro-
vides very low noise (45
Vrms at 80Hz-100KHz),
ultra low dropout voltage (typically 165mV at
150mA), very low quiescent current (1
A maximum)
and excellent power supply ripple rejection (PSRR
75dB at 100Hz) in battery powered applications, such
as handsets and PDAs and in noise sensitive applica-
tions, such as RF electronics.
The AP2202 also features 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 pro-
tection.
The output capacitor of 1.0
F minimum and 2.2
F
minimum near its pin are recommended when C
BYP
is
unused and 470pF respectively. Tantalum or alumin-
ium electrolytic capacitors are adequate. Bypass
capacitor is connected to the internal voltage reference
to quiet noise. Its recommended value is from 470pF to
1nF. If output noise is not a major concern and rapid
turn-on is necessary, omit C
BYP
and leave BYP open.
The AP2202 has adjustable, 2.5V, 2.6V, 2.7V, 2.8V,
2.9V, 3.0V, 3.3V and 4.0V versions.
The AP2202 is available in space saving SOT-23-5
package.
Features
Up to 150mA Regulator Output
Low Quiescent Current
Low Dropout Voltage: V
D
=165mV at 150mA
High Precision Output Voltage: 1%
Output Noise: 45
Vrms at 80Hz-100KHz
Good Ripple Rejection Ability: 75dB at 100Hz
and I
OUT
=100
A
Tight Load and Line Regulation
Low Temperature Coefficient
Over Current Protection
Thermal Protection
Reverse-battery Protection
Zero Off-mode Current
Logic-controlled Enable
Applications
Cellular Phones
Cordless Phones
Digital Still Cameras
Wireless Communicators
PDAs / Palmtops
PC Mother Board
Consumer Electronics
SOT-23-5
Figure 1. Package Type of AP2202
150mA RF ULDO REGULATOR AP2202
Preliminary Datasheet
2
Aug. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
Figure 2. Pin Configuration
of AP2202 (Top View)
(SOT-23-5)
Pin Description
Pin Number
Pin Name
Function
1
V
IN
Input voltage.
2
GND
Ground.
3
EN
Logic high enable input.
4
BYP/ADJ
Bypass capacitor for low noise operation/Adjust output.
5
V
OUT
Regulated output voltage.
K Package
Pin Configuration
BYP/ADJ
GND
EN
V
OUT
V
IN
1
3
4
5
2
150mA RF ULDO REGULATOR AP2202
Preliminary Datasheet
3
Aug. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
+
-
Bandgap
Ref.
Current Limit
Thermal Shutdown
V
IN
EN
GND
V
OUT
ADJ
Figure 3. Functional Block Diagram of AP2202
+
-
Bandgap
Ref.
Current Limit
Thermal Shutdown
V
IN
BYP
EN
GND
V
OUT
Functional Block Diagram
1
2
3
4
5
1
2
3
4
5
Adjustable Regulator
Fixed Regulator
150mA RF ULDO REGULATOR AP2202
Preliminary Datasheet
4
Aug. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
Package
Temperature
Range
Part Number
Marking ID
Packing Type
Tin Lead
Lead Free
Tin Lead
Lead Free
SOT-23-5
-40 to 125
o
C
AP2202K-ADJTR AP2202K-ADJTRE1
K2C
E2C
Tape & Reel
AP2202K-2.5TR
AP2202K-2.5TRE1
K2D
E2D
Tape & Reel
AP2202K-2.6TR
AP2202K-2.6TRE1
K2E
E2E
Tape & Reel
AP2202K-2.7TR
AP2202K-2.7TRE1
K2F
E2F
Tape & Reel
AP2202K-2.8TR
AP2202K-2.8TRE1
K2G
E2G
Tape & Reel
AP2202K-2.9TR
AP2202K-2.9TRE1
K2H
E2H
Tape & Reel
AP2202K-3.0TR
AP2202K-3.0TRE1
K2I
E2I
Tape & Reel
AP2202K-3.3TR
AP2202K-3.3TRE1
K2L
E2L
Tape & Reel
AP2202K-4.0TR
AP2202K-4.0TRE1
K2S
E2S
Tape & Reel
Ordering Information
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Circuit Type
Package
K: SOT-23-5
2.5: Fixed Output 2.5V
E1: Lead Free
Blank: Tin Lead
AP2202 -
TR: Tape and Reel
2.6: Fixed Output 2.6V
2.7: Fixed Output 2.7V
2.8: Fixed Output 2.8V
3.0: Fixed Output 3.0V
3.3: Fixed Output 3.3V
4.0: Fixed Output 4.0V
ADJ: Adjustable Output
2.9: Fixed Output 2.9V
150mA RF ULDO REGULATOR AP2202
Preliminary Datasheet
5
Aug. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
Parameter
Symbol
Value
Unit
Supply Input Voltage
V
IN
15
V
Enable Input Voltage
V
EN
15
V
Power Dissipation
P
D
Internally Limited
W
Lead Temperature (Soldering, 5sec)
T
LEAD
260
o
C
Storage Temperature
T
STG
-65 to 150
o
C
ESD (Machine Model)
200
V
Thermal Resistance
JA
(Note 2)
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.
Parameter
Symbol
Min
Max
Unit
Supply Input Voltage
V
IN
2.5
13.2
V
Enable Input Voltage
V
EN
0
13.2
V
Operating Junction Temperature
T
J
-40
125
o
C
Recommended Operating Conditions
Note 2: Electrical specifications do not apply when operating the device outside of its operating ratings. The maximum allow-
able power dissipation is a function of the maximum junction temperature, T
J(max),
the junction-to-ambient thermal resistance,
JA,
and the ambient temperature, T
A.
The maximum allowable power dissipation at any ambient temperature is calculated
using: P
D(max)
=(T
J(max)
-T
A
)/
JA.
Exceeding the maximum allowable power dissipation will result in excessive die tempera-
ture, and the regulator will go into thermal shutdown.
Absolute Maximum Ratings (Note 1)
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