AAT3216IGV-2.5-T1 Advanced Analogic Technologies, Inc., AAT3216IGV-2.5-T1 Datasheet

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AAT3216IGV-2.5-T1

Manufacturer Part Number
AAT3216IGV-2.5-T1
Description
357-036-542-201 CARDEDGE 36POS DL .156 BLK LOPRO
Manufacturer
Advanced Analogic Technologies, Inc.
Datasheet

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General Description
The AAT3216 MicroPower low dropout (LDO) lin-
ear regulator is ideally suited for portable applica-
tions where low noise, extended battery life, and
small size are critical. The AAT3216 has been
specifically designed for low output noise perform-
ance, fast transient response, and high power sup-
ply rejection ratio (PSRR), making it ideal for pow-
ering sensitive RF circuits.
Other features include low quiescent current, typi-
cally 70µA, and low dropout voltage, typically less
than 200mV at full output current. The device is
output short-circuit protected and has a thermal
shutdown circuit for additional protection under
extreme conditions.
The AAT3216 also features a low-power shutdown
mode for extended battery life. A Power-OK open-
drain output signals when V
The AAT3216 is available in a Pb-free, space-saving
5-pin SOT23 or 8-pin SC70JW package in 12 facto-
ry-programmed voltages: 1.2V, 1.5V, 1.8V, 2.0V,
2.3V, 2.5V, 2.7V, 2.8V, 2.85V, 3.0V, 3.3V, or 3.5V.
Typical Application
3216.2006.01.1.3
V
GND
IN
ON/OFF
1µF
OUT
is in regulation.
EN
IN
AAT3216
150mA MicroPower™ LDO with PowerOK
GND
Features
Applications
Low Dropout: 200mV at 150mA
Guaranteed 150mA Output
High Accuracy: ±1.5%
70µA Quiescent Current
High Power Supply Ripple Rejection
Low Self Noise
Power-OK (POK) Output
Fast Line and Load Transient Response
Short-Circuit and Over-Temperature
Protection
Uses Low Equivalent Series Resistance
(ESR) Ceramic Capacitors
Shutdown Mode for Longer Battery Life
Low Temperature Coefficient
12 Factory-Programmed Output Voltages
SOT23 5-Pin or SC70JW 8-Pin Package
Cellular Phones
Desktop Computers
Digital Cameras
Notebook Computers
Personal Portable Electronics
Portable Communication Devices
OUT
POK
100k
SmartSwitch
PowerLinear
2.2µF
AAT3216
V
GND
POK
OUT
1

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AAT3216IGV-2.5-T1 Summary of contents

Page 1

General Description The AAT3216 MicroPower low dropout (LDO) lin- ear regulator is ideally suited for portable applica- tions where low noise, extended battery life, and small size are critical. The AAT3216 has been specifically designed for low output noise perform- ...

Page 2

Pin Descriptions Pin # Symbol SOT23-5 SC70JW GND POK OUT Pin Configuration SOT23-5 (Top View GND 150mA MicroPower™ LDO ...

Page 3

Absolute Maximum Ratings T = 25°C, unless otherwise noted. A Symbol Description V POK Input Voltage, POK IN, V Maximum EN to Input Voltage ENIN(MAX Output Current OUT T Operating Junction Temperature Range J Thermal Information 2 Symbol ...

Page 4

Electrical Characteristics for V options greater than 1.5V OUT(NOM) OUT C = 1µ -40°C to +85°C, unless otherwise noted. Typical values are Symbol Description V Output Voltage ...

Page 5

Typical Characteristics Unless otherwise noted 5V Dropout Voltage vs. Temperature 260 240 220 I = 150mA L 200 180 160 I = 100mA 140 L 120 100 50mA ...

Page 6

Typical Characteristics Unless otherwise noted 5V Turn-On Time and POK Delay V ENABLE V OUT V POK Time (10µs/div) Line Transient Response OUT Time ...

Page 7

Typical Characteristics Unless otherwise noted 5V AAT3216 Self Noise 10 1 0.1 0.01 0.01 0 Frequency (kHz) 3216.2006.01.1.3 150mA MicroPower™ LDO with PowerOK = 25°C. A 1.250 1.225 1.200 1.175 1.150 1.125 1.100 1.075 ...

Page 8

Functional Block Diagram IN EN POK Functional Description The AAT3216 is intended for LDO regulator appli- cations where output current load requirements range from no load to 150mA. The advanced circuit design of the AAT3216 pro- vides excellent transient response ...

Page 9

Applications Information To assure the maximum possible performance is obtained from the AAT3216, please refer to the fol- lowing application recommendations. Input Capacitor Typically, a 1µF or larger capacitor is recommend- ed for C in most applications ...

Page 10

POK Output The AAT3216 features an integrated Power-OK comparator which can be used as an error flag. The POK open-drain output goes low when OUT is 6% below its nominal regulation voltage. Connect a pull-up resistor from POK to OUT ...

Page 11

The following discussions will assume the LDO reg- ulator is mounted on a printed circuit board utilizing the minimum recommended footprint as stated in the Layout Considerations section of this document. At any given ambient temperature (T mum package power ...

Page 12

LDO regulator in a duty-cycled mode. For example, an application requires V while 150mA load and T OUT V is greater than 3.90V, which is the maximum IN safe ...

Page 13

... For example, a 2.5V system using a AAT3216IGV- 2.5-T1 operates at a continuous 100mA load cur- rent level and has short 150mA current peaks. The current peak occurs for 378µs out of a 4.61ms peri- od ...

Page 14

... Sample stock is generally held on part numbers listed in BOLD. 14 150mA MicroPower™ LDO with PowerOK Marking 1 Part Number (Tape and Reel) EAXYY AAT3216IGV-1.2-T1 KJXYY AAT3216IGV-1.5-T1 AAT3216IGV-1.8-T1 AAT3216IGV-2.0-T1 AAT3216IGV-2.3-T1 KKXYY AAT3216IGV-2.5-T1 AAT3216IGV-2.7-T1 ELXYY AAT3216IGV-2.8-T1 AAT3216IGV-2.85-T1 AAT3216IGV-3.0-T1 HQXYY AAT3216IGV-3.3-T1 IYXYY AAT3216IGV-3.5-T1 AAT3216IJS-1.2-T1 AAT3216IJS-1.5-T1 AAT3216IJS-1.8-T1 AAT3216IJS-2.0-T1 AAT3216IJS-2 ...

Page 15

Package Information 2.85 ± 0.15 1.90 BSC 0.95 BSC 0.60 REF 10° ± 5° 0.40 ± 0.10 0.50 BSC 0.50 BSC 0.50 BSC 2.00 ± 0.20 7° ± 3° All dimensions in millimeters 3216.2006.01.1.3 150mA MicroPower™ LDO with PowerOK SOT23-5 ...

Page 16

... Advanced Analogic Technologies, Inc. AnalogicTech cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in an AnalogicTech product. No circuit patent licenses, copyrights, mask work rights, or other intellectual property rights are implied. AnalogicTech reserves the right to make changes to their products or specifications or to discontinue any product or service without notice. ...

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