ADP1710 Regulator Datasheet

ADP1710 Datasheet, PDF, Equivalent


Part Number

ADP1710

Description

(ADP1710 / ADP1711) CMOS Linear Regulator

Manufacture

Analog Devices

Total Page 16 Pages
Datasheet
Download ADP1710 Datasheet


ADP1710
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FEATURES
Maximum output current: 150 mA
Input voltage range: 2.5 V to 5.5 V
Light load efficient
IGND = 35 μA with zero load
IGND = 40 μA with 100 μA load
Low shutdown current: <1 μA
Low dropout voltage: 150 mV @ 150 mA load
Initial accuracy: ±1%
Accuracy over line, load, and temperature: ±2%
Stable with small 1μF ceramic output capacitor
16 fixed output voltage options: 0.75 V to 3.3 V (ADP1710)
Adjustable output voltage option: 0.8 V to 5.0 V
(ADP1710 Adjustable)
16 fixed output voltage options with reference bypass:
0.75 V to 3.3 V (ADP1711)
High PSRR: 69 dB @ 1 kHz
Low noise: 40 μVRMS
Excellent load/line transient response
Current limit and thermal overload protection
Logic controlled enable
5-lead TSOT package
APPLICATIONS
Mobile phones
Digital camera and audio devices
Portable and battery-powered equipment
Post dc-dc regulation
GENERAL DESCRIPTION
The ADP1710/ADP1711 are low dropout linear regulators
that operate from 2.5 V to 5.5 V and provide up to 150 mA of
output current. Utilizing a novel scaling architecture, ground
current drawn is a very low 40 μA, when driving a 100 μA
load, making the ADP1710/ADP1711 ideal for battery-
operated portable equipment.
The ADP1710 and the ADP1711 are each available in sixteen
fixed output voltage options. The ADP1710 is also available in
an adjustable version, which allows output voltages that range
from 0.8 V to 5 V via an external divider. The ADP1711 allows
for a reference bypass capacitor to be connected, which reduces
output voltage noise and improves power supply rejection.
150 mA, Low Dropout,
CMOS Linear Regulator
ADP1710/ADP1711
TYPICAL APPLICATION CIRCUITS
VIN = 5V
1µF
ADP1710
1 IN
VOUT = 3.3V
OUT 5
2 GND
1µF
3 EN
NC 4
NC = NO CONNECT
Figure 1. ADP1710 with Fixed Output Voltage, 3.3 V
VIN = 5.5V
1µF
ADP1710
ADJUSTABLE
1 IN
VOUT = 0.8V(1 + R1/R2)
OUT 5
2 GND
1µF
3 EN
ADJ 4
R1
R2
Figure 2. ADP1710 with Adjustable Output Voltage, 0.8 V to 5.0 V
VIN = 5V
1µF
ADP1711
1 IN
OUT 5
VOUT = 3.3V
2 GND
3 EN
10nF
BYP 4
1µF
Figure 3. ADP1711 with Fixed Output Voltage and Bypass Capacitor, 3.3 V
The ADP1710/ADP1711 are optimized for stable operation with
small 1 μF ceramic output capacitors, allowing for good transient
performance while occupying minimal board space. An enable
pin controls the output voltage on both devices. There is also an
under-voltage lockout circuit on both devices, which disables the
regulator if IN drops below a minimum threshold.
An internal soft start gives a typical start-up time of 80 μs.
Short-circuit protection and thermal overload protection
circuits prevent damage to the devices in adverse conditions.
Both the ADP1710 and the ADP1711 are available in tiny
5­lead TSOT packages, for the smallest footprint solution to all
your power needs.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.

ADP1710
ADP1710/ADP1711
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Typical Application Circuits............................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Thermal Resistance ...................................................................... 4
ESD Caution.................................................................................. 4
Pin Configurations and Function Descriptions ........................... 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ........................................................................ 8
Adjustable Output Voltage (ADP1710 Adjustable) ................. 8
Bypass Capacitor (ADP1711) ..................................................... 8
REVISION HISTORY
10/06—Revision 0: Initial Version
Enable Feature ...............................................................................8
Undervoltage Lockout (UVLO) ..................................................9
Application Information................................................................ 10
Capacitor Selection .................................................................... 10
Current Limit and Thermal Overload Protection ................. 10
Thermal Considerations............................................................ 11
Printed Circuit Board Layout Considerations ....................... 12
Outline Dimensions ....................................................................... 13
Ordering Guide .......................................................................... 14
Rev. 0 | Page 2 of 16


Features www.DataSheet4U.com 150 mA, Low Dropout , CMOS Linear Regulator ADP1710/ADP1711 FEATURES Maximum output current: 150 m A Input voltage range: 2.5 V to 5.5 V L ight load efficient IGND = 35 μA with zero load IGND = 40 μA with 100 μA lo ad Low shutdown current: <1 μA Low dro pout voltage: 150 mV @ 150 mA load Init ial accuracy: ±1% Accuracy over line, load, and temperature: ±2% Stable with small 1μF ceramic output capacitor 16 fixed output voltage options: 0.75 V t o 3.3 V (ADP1710) Adjustable output vol tage option: 0.8 V to 5.0 V (ADP1710 Ad justable) 16 fixed output voltage optio ns with reference bypass: 0.75 V to 3.3 V (ADP1711) High PSRR: 69 dB @ 1 kHz L ow noise: 40 μVRMS Excellent load/line transient response Current limit and t hermal overload protection Logic contro lled enable 5-lead TSOT package TYPICA L APPLICATION CIRCUITS ADP1710 VIN = 5V 1 VOUT = 3.3V IN GND EN NC 4 06310-00 1 OUT 5 1µF 2 1µF 3 NC = NO CON NECT Figure 1. ADP1710 with Fixed Output Voltage, 3.3 V ADP1710 ADJUSTA.
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