Datasheet 搜索 > 稳压芯片 > TI（德州仪器） > TPS70348PWPG4 数据手册 > TPS70348PWPG4 其他数据使用手册 1/35 页
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TPS70348PWPG4 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
稳压芯片
封装:
HTSSOP-24
描述:
双输出，带集成SVS低压差稳压器SPLIT电压系统 DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
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TPS70348PWPG4数据手册
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TPS70345, TPS70348, TPS70351, TPS70358, TPS70302
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS
SLVS285A – AUGUST 2000 – REVISED OCTOBER 2002
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D Dual Output Voltages for Split-Supply
Applications
D Selectable Power Up Sequencing for DSP
Applications (See TPS704xx for
Independent Enabling of Each Output)
D Output Current Range of 1 A on
Regulator 1 and 2 A on Regulator 2
D Fast Transient Response
D Voltage Options Are 3.3-V/2.5-V, 3.3-V/1.8-V,
3.3-V/1.5-V, 3.3-V/1.2-V, and Dual Adjustable
Outputs
D Open Drain Power-On Reset With 120-ms
Delay
D Open Drain Power Good for Regulator 1
D Ultralow 185 µA (typ) Quiescent Current
D 2 µA Input Current During Standby
D Low Noise: 78 µV
RMS
Without Bypass
Capacitor
D Quick Output Capacitor Discharge Feature
D Two Manual Reset Inputs
D 2% Accuracy Over Load and Temperature
D Undervoltage Lockout (UVLO) Feature
D 24-Pin PowerPAD TSSOP Package
D Thermal Shutdown Protection
description
TPS703xx family of devices are designed to
provide a complete power management solution
for TI DSP, processor power, ASIC, FPGA, and
digital applications where dual output voltage
regulators are required. Easy programmability of
the sequencing function makes this family ideal
for any TI DSP applications with power
sequencing requirement. Differentiated features,
such as accuracy, fast transient response, SVS
supervisory circuit (power on reset), manual reset
inputs, and enable function, provide a complete
system solution.
1.8 V
V
IN1
V
IN2
EN
SEQ
V
OUT1
V
SENSE1
PG1
MR2
RESET
MR1
V
SENSE2
TPS70351 PWP
5 V
3.3 V
I/O
MR1
Core
0.22 µF
RESET
22 µF
47 µF
0.22 µF
DSP
MR2
PG1
EN
250 kΩ
>2 V
<0.7 V
250 kΩ
>2 V
<0.7 V
>2 V
<0.7 V
V
OUT2
Copyright 2002, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
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GND/HEATSINK
V
IN1
V
IN1
NC
MR2
MR1
EN
SEQ
GND
V
IN2
V
IN2
GND/HEATSINK
GND/HEATSINK
V
OUT1
V
OUT1
V
SENSE1
/FB1
NC
PG1
RESET
NC
V
SENSE2
/FB2
V
OUT2
V
OUT2
GND/HEATSINK
PWP PACKAGE
(TOP VIEW)
NC – No internal connection
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