AME8853A Datasheet PDF - Analog Microelectronics

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AME8853A
Analog Microelectronics

Part Number AME8853A
Description 300mA CMOS Regulator
Page 29 Pages


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AME
AME8853A
High PSRR, Low Noise, 300mA
CMOS Regulator
n General Description
The AME8853A family of positive, CMOS linear regula-
tors provide low dropout voltage(220mV@300mA), low
quiescent current, and low noise CMOS LDO. These
rugged devices have both Thermal Shutdown, and Cur-
rent limit to prevent device failure under the "Worst" of
operating conditions.
n Features
l Low Dropout Voltage: 220mV@300mA
l Guaranteed Current: 300mA
l Quiescent Current: 60µA (typ.)
l Over-Temperature Shutdown
l Current Limiting protection
l PSRR: 60dB@10KHz
l Ultra-Low-Noise: 100µVRMS at 1Hz to 100KHz
l Low Temperature Coefficient
l Input Voltage Range : 2.5V~5.5V
l Output Voltage Range: 0.8V~ 4.3V
l Green Products Meet RoHS Standards
n Typical Application
IN
IN OUT
AME8853A
EN
GND
C1
1µF
OUT
COUT
1µF
n Functional Block Diagram
IN OUT
Overcurrent
Shutdown
Thermal
Shutdown
EN
R1
n Applications
l Instrumentation
l Portable Electronics
l Wireless Devices
l Cordless Phones
l PC Peripherals
l Battery Powered Widgets
-
AMP
+
Vref
R2
GND
Rev.C.01
1
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AME
AME8853A
n Pin Configuration
SC-70-5
Top View
54
AME 8853 A
12 3
AME8853A-AIVxxx
1. IN
2. GND
3. EN
4. NC
5. OUT
* Die Attach:
Conductive Epoxy
High PSRR, Low Noise, 300mA
CMOS Regulator
SOT-25/TSOT-25A
Top View
54
AME 8853 A
12 3
AME8853A-AEVxxxx
1. IN
2. GND
3. EN
4. NC
5. OUT
* Die Attach:
Conductive Epoxy
SOT-23
Top View
3
AME8853 A
12
AME8853A-AETxxx
1. GND
2. OUT
3. IN
* Die Attach:
Non-Conductive Epoxy
SC-70-4 (SC-82)
Top View
43
AME8853 A
12
AME8853A-AIUxxx
1. EN
2. GND
3. OUT
4. IN
* Die Attach:
Conductive Epoxy
2 Rev.C.01
Free Datasheet http://www.datasheet4u.com/



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AME
AME8853A
n Pin Description
SC-70-5
Pin Number Pin Name
High PSRR, Low Noise, 300mA
CMOS Regulator
Pin Description
1 IN Input voltage pin; should be decoupled with 1µF or greater capacitor.
2
GND
Ground connection pin.
Enable pin, Active “high". When pulled “low”, the PMOS pass transistor turns
3 EN off, current consuming less than 1µA. When EN pin floating outside, it is
pulled low by internal small current source.
4 NC No connection.
5
OUT
LDO voltage regulator output pin; should be decoupled with a 1.0µF or greater
value low ESR ceramic capacitor.
SOT-25/TSOT-25A
Pin Number Pin Name
Pin Description
1 IN Input voltage pin; should be decoupled with 1µF or greater capacitor.
2
GND
Ground connection pin.
Enable pin, Active “high". When pulled “low”, the PMOS pass transistor
3 EN turns off, current consuming less than 1µA. When EN pin floating outside, it
is pulled low by internal small current source.
4 NC No connection.
5
OUT
LDO voltage regulator output pin; should be decoupled with a 1µF or greater
value low ESR ceramic capacitor.
Rev.C.01
3
Free Datasheet http://www.datasheet4u.com/



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AME
AME8853A
High PSRR, Low Noise, 300mA
CMOS Regulator
n Pin Description (Contd.)
SOT-23
Pin Number Pin Name
Pin Description
1
GND
Ground connection pin.
2
OUT
LDO voltage regulator output pin; should be decoupled with a 1µF or greater value
low ESR ceramic capacitor.
3 IN Input voltage pin; should be decoupled with 1µF or greater capacitor.
SC-70-4(SC-82)
Pin Number Pin Name
1 EN
Pin Description
Enable pin, Active “high". When pulled “low”, the PMOS pass transistor turns off,
current consuming less than 1µA. When EN pin floating outside, it is pulled low by
internal small current source.
2
GND
Ground connection pin.
LDO voltage regulator output pin; should be decoupled with a 1.0µF or greater
3
OUT
value low ESR ceramic capacitor.
4 IN Input voltage pin; should be decoupled with 1µF or greater capacitor.
4 Rev.C.01
Free Datasheet http://www.datasheet4u.com/



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