AS1352-7BC0_EK_ST

AS1352-7BC0_EK_ST Datasheet

AS1352

Part	Datasheet
AS1352-7BC0_EK_ST	AS1352-7BC0_EK_ST (pdf)

Related Parts	Information
AS1352	AS1352
AS1352V-T	AS1352V-T
AS1352-C0CF-T	AS1352-C0CF-T
AS1352_7BC0-T	AS1352_7BC0-T
AS1352V	AS1352V

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austriamicrosystems AG is now ams AG The technical content of this austriamicrosystems datasheet is still valid. Contact information Headquarters ams AG Tobelbaderstrasse 30 8141 Unterpremstaetten, Austria Tel +43 0 3136 500 0 e-Mail: Please visit our website at AS1352 Programmable Quad LDO Data Sheet 1 General Description 2 Key Features The AS1352 is a high-performance quad CMOS lowdropout voltage regulator in a single QFN package. The efficient set of programmable power supplies is opti- lid mized to deliver the best compromise between quies- cent current and regulator performance for mobile phones, PDAs, MP3 players, and other battery powered devices. a The one-time-programmable OTP function provides v greater design flexibility by allowing for independent pro- gramming of the output voltage for each regulator on- ill site. The OTP function allows for fast prototyping reduc- ing development times and costs significant. Factory trimmed versions for full-production are also available. t Stability is guaranteed with ceramic output capacitors of only 1µF ±20% X5R up to 4.7µF ±20% X5R . The G s low equivalent series resistance ESR of these capaci- tors ensures low output impedance at high frequencies. A t Regulation performance is excellent even under low dropout conditions, when the power transistor has to s n operate in linear mode. e The low-noise performance allows direct connection of noise sensitive circuits without additional filtering net- m t works. a n The AS1352 is available in a 12-pin QFN 4x4 package and a 16-pin QFN 3x3 package. ! 4 Independent Voltage Regulators with Shutdown ! Output Current 200mA each LDO ! One Time Programmable Output Voltage User- or Factory-Trimmed ! Programmable Output Voltage Range to 3.3V in 0.1V Steps ! Accuracy ±2% ! PSRR 70dB at 1kHz, 40dB at 100kHz ! Line Regulation ±2mV ! Load Regulation ±0.6mV ! Supply Range 3 to 5.5V ! 0.2V Dropout Voltage I = 200mA ! Shutdown Current ! Supply Current Without Load 225µA ! Softstart for Low Inrush Current ! Stable with Low ESR Ceramic Capacitors from 1 to 4.7µF ! Low Noise 40µV rms to 100kHz Bandwidth ! Thermal Protection ! Over-Current Protection ! Temperature Range -40 to +85°C ! Package Types - 12-pin QFN 4x4 - 16-pin QFN 3x3 ical co3 Applications Figure Pinout Assignments Top View EN3 EN4 REF n12 11 10 h EN2 1 cEN1 2 TeVDD 3 AS1352 12-pin QFN 4x4 9 GND 8 VDD 7 VOUT4 The AS1352 is ideal for cordless and mobile phones, MP3 players, CD and DVD players, PDAs, handheld computers, digital cameras, and any other hand-held battery-powered device. EN1 1 EN2 16 EN3 15 a Furthermore, the AS1352 is available in pre-programmed versions with fixed output voltages see Ordering Information Technic on page 5 - 10 AS1352 Data Sheet - Application Information AS1352 Block Diagram VOUT1 Thermal Protection Overcurrent Protection Softstart Control VREF Thermal Protection Overcurrent Protection Softstart AG t VDD ams onten EN3 ical c EN4 TechnGND Control VREF Thermal Protection Overcurrent Protection Softstart Control VREF Thermal Protection Overcurrent Protection Softstart Control VREF Reference Voltage AS1352 VOUT2 still VOUT3 VOUT4 valid 6 - 10 AS1352 Data Sheet - Package Drawings and Markings 8 Package Drawings and Markings The AS1352 is available in a 12-pin QFN 4x4 package and a 16-pin QFN 3x3 package. Figure 12-pin QFN 4x4 and 16-pin QFN 3x3 Packages Index Area lid D/2 xE/2 D2/2 aaa C 2x E2/2 E2 till va aaa C 2x Top View s AG nt s 8 9 11 NX ccc C AS1352 Data Sheet - Ordering Information 9 Ordering Information The AS1352 is available with preset LDO output voltages or customer-specific versions with a minimum order quantity of Customer-specific devices are factory trimmed to the desired output voltage see Table 5 Table Ordering Information Model LDO Values Delivery Form Package AS1352-T User-programmable LDO values. 1 AS1352V-T 2 User-programmable LDO values. 1 lid AS1352-7BC0-T Factory-trimmed LDO values VOUT1 = 2.5V, VOUT2 = 2.9V, VOUT3 = 3.0V, VOUT4 = 1.8V a AS1352-C0CF-T Factory-trimmed LDO values VOUT1 = 3.0V, VOUT2 = 1.8V, VOUT3 = 3.0V, VOUT4 = 3.3V AS1352-uxyz-T 3 Customer-specific factory-trimmed LDO values. v AS1352V-uxyz-T 2, 3 Customer-specific factory-trimmed LDO values. Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel 12-pin QFN 4x4 16-pin QFN 3x3 12-pin QFN 4x4 12-pin QFN 4x4 12-pin QFN 4x4 16-pin QFN 3x3 ill The values are programmed via the AS1352 programming board. Available upon request. Contact austriamicrosystems, AG for more information. t Customer-specific values are as follows u = Customer-specific VOUT1 value suffix. G s x = Customer-specific VOUT2 value suffix. y = Customer-specific VOUT3 value suffix. A t z = Customer-specific VOUT4 value suffix. Table Output Voltage Suffix Guide ams onten Model uxyz Suffix F E D C B Output Voltage 3.3V 3.2V 3.1V 3.0V 2.9V c 9 l 8 AS1352-uxyz 7 2.8V 2.7V 2.6V 2.5V 2.4V 2.3V 2.2V 2.1V 2.0V 1.9V Tech 0 1.8V 9 - 10 AS1352 Data Sheet Copyrights Copyright 1997-2007, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. All products and companies mentioned are trademarks or registered trademarks of their respective companies. Disclaimer lid Devices sold by austriamicrosystems AG are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. austriamicrosystems AG makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. austriamicrosystems AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior a to designing this product into a system, it is necessary to check with austriamicrosystems AG for current information. v This product is intended for use in normal commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or life- ill sustaining equipment are specifically not recommended without additional processing by austriamicrosystems AG for

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austriamicrosystems AG is now
ams AG

The technical content of this austriamicrosystems datasheet is still valid.

Contact information Headquarters ams AG Tobelbaderstrasse 30 8141 Unterpremstaetten, Austria Tel +43 0 3136 500 0 e-Mail:

Please visit our website at

AS1352

Programmable Quad LDO

Data Sheet
1 General Description
2 Key Features

The AS1352 is a high-performance quad CMOS lowdropout voltage regulator in a single QFN package. The efficient set of programmable power supplies is opti-
lid mized to deliver the best compromise between quies-
cent current and regulator performance for mobile phones, PDAs, MP3 players, and other battery powered devices.
a The one-time-programmable OTP function provides v greater design flexibility by allowing for independent pro-
gramming of the output voltage for each regulator on-
ill site. The OTP function allows for fast prototyping reduc-
ing development times and costs significant. Factory trimmed versions for full-production are also available.
t Stability is guaranteed with ceramic output capacitors of
only 1µF ±20% X5R up to 4.7µF ±20% X5R . The

G s low equivalent series resistance ESR of these capaci-
tors ensures low output impedance at high frequencies.

A t Regulation performance is excellent even under low
dropout conditions, when the power transistor has to
s n operate in linear mode. e The low-noise performance allows direct connection of
noise sensitive circuits without additional filtering net-
m t works. a n The AS1352 is available in a 12-pin QFN 4x4 package
and a 16-pin QFN 3x3 package.
! 4 Independent Voltage Regulators with Shutdown ! Output Current 200mA each LDO ! One Time Programmable Output Voltage

User- or Factory-Trimmed ! Programmable Output Voltage Range to 3.3V in
0.1V Steps ! Accuracy ±2% ! PSRR 70dB at 1kHz, 40dB at 100kHz ! Line Regulation ±2mV ! Load Regulation ±0.6mV ! Supply Range 3 to 5.5V ! 0.2V Dropout Voltage I = 200mA ! Shutdown Current ! Supply Current Without Load 225µA ! Softstart for Low Inrush Current ! Stable with Low ESR Ceramic Capacitors from 1 to
4.7µF ! Low Noise 40µV rms to 100kHz Bandwidth ! Thermal Protection ! Over-Current Protection ! Temperature Range -40 to +85°C ! Package Types
- 12-pin QFN 4x4 - 16-pin QFN 3x3
ical co3 Applications Figure Pinout Assignments Top View EN3 EN4 REF n12 11 10
h EN2 1 cEN1 2 TeVDD 3

AS1352
12-pin QFN 4x4
9 GND 8 VDD 7 VOUT4

The AS1352 is ideal for cordless and mobile phones, MP3 players, CD and DVD players, PDAs, handheld computers, digital cameras, and any other hand-held battery-powered device.

EN1 1

EN2 16

EN3 15
a Furthermore, the AS1352 is available in pre-programmed versions with fixed output voltages see Ordering Information Technic on page
5 - 10

AS1352 Data Sheet - Application Information

AS1352 Block Diagram

VOUT1

Thermal Protection Overcurrent Protection Softstart

Control

VREF

Thermal Protection

Overcurrent Protection

Softstart

AG t VDD ams onten EN3 ical c EN4 TechnGND

Control

VREF

Thermal Protection Overcurrent Protection Softstart

Control

VREF

Thermal Protection Overcurrent Protection Softstart

Control

VREF

Reference Voltage

AS1352

VOUT2
still

VOUT3

VOUT4
valid
6 - 10

AS1352 Data Sheet - Package Drawings and Markings
8 Package Drawings and Markings

The AS1352 is available in a 12-pin QFN 4x4 package and a 16-pin QFN 3x3 package.

Figure 12-pin QFN 4x4 and 16-pin QFN 3x3 Packages

Index Area
lid D/2 xE/2

D2/2
aaa C 2x

E2/2 E2
till va aaa C 2x Top View
s AG nt s 8 9
11 NX
ccc C
AS1352 Data Sheet - Ordering Information
9 Ordering Information

The AS1352 is available with preset LDO output voltages or customer-specific versions with a minimum order quantity of Customer-specific devices are factory trimmed to the desired output voltage see Table 5
Table Ordering Information

Model

LDO Values

Delivery Form

Package

AS1352-T

User-programmable LDO values. 1

AS1352V-T 2

User-programmable LDO values. 1
lid AS1352-7BC0-T

Factory-trimmed LDO values VOUT1 = 2.5V, VOUT2 = 2.9V, VOUT3 = 3.0V, VOUT4 = 1.8V
a AS1352-C0CF-T

Factory-trimmed LDO values VOUT1 = 3.0V, VOUT2 = 1.8V, VOUT3 = 3.0V, VOUT4 = 3.3V

AS1352-uxyz-T 3

Customer-specific factory-trimmed LDO values.
v AS1352V-uxyz-T 2, 3

Customer-specific factory-trimmed LDO values.

Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel
12-pin QFN 4x4 16-pin QFN 3x3 12-pin QFN 4x4 12-pin QFN 4x4 12-pin QFN 4x4 16-pin QFN 3x3
ill The values are programmed via the AS1352 programming board.

Available upon request. Contact austriamicrosystems, AG for more information.
t Customer-specific values are as follows u = Customer-specific VOUT1 value suffix. G s x = Customer-specific VOUT2 value suffix. y = Customer-specific VOUT3 value suffix. A t z = Customer-specific VOUT4 value suffix.

Table Output Voltage Suffix Guide
ams onten Model
uxyz Suffix F E D C B

Output Voltage 3.3V 3.2V 3.1V 3.0V 2.9V
c 9 l 8

AS1352-uxyz 7
2.8V 2.7V 2.6V 2.5V 2.4V 2.3V 2.2V 2.1V 2.0V 1.9V

Tech 0
1.8V
9 - 10

AS1352 Data Sheet

Copyrights

Copyright 1997-2007, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. All products and companies mentioned are trademarks or registered trademarks of their respective companies.

Disclaimer
lid Devices sold by austriamicrosystems AG are covered by the warranty and patent indemnification provisions appearing
in its Term of Sale. austriamicrosystems AG makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. austriamicrosystems AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior
a to designing this product into a system, it is necessary to check with austriamicrosystems AG for current information. v This product is intended for use in normal commercial applications. Applications requiring extended temperature
range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or life-
ill sustaining equipment are specifically not recommended without additional processing by austriamicrosystems AG for

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived AS1352-7BC0_EK_ST Datasheet file may be downloaded here without warranties.

Datasheet ID: AS1352-7BC0_EK_ST 519613