参数资料
型号: TPS5410QDRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, PDSO8
封装: GREEN, PLASTIC, MS-012AA, SOIC-8
文件页数: 19/25页
文件大小: 758K
代理商: TPS5410QDRQ1
www.ti.com......................................................................................................................................................................................... SLVSA23 – SEPTEMBER 2009
ELECTRICAL CHARACTERISTICS
TJ = –40°C to 125°C, VIN = 5.5 V to 36 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE (VIN PIN)
VSENSE = 2 V, Not switching, PH pin
3
4.4
mA
open
IQ
Quiescent current
Shutdown, ENA = 0 V
18
50
μA
UNDERVOLTAGE LOCK OUT (UVLO)
Start threshold voltage, UVLO
5.3
5.5
V
Hysteresis voltage, UVLO
330
mV
VOLTAGE REFERENCE
TJ = 25°C
1.202
1.221
1.239
Voltage reference accuracy
V
IO = 0 A – 1 A
1.196
1.221
1.245
OSCILLATOR
Internally set free-running frequency
400
500
600
kHz
Minimum controllable on time
150
200
ns
Maximum duty cycle
87
89
%
ENABLE (ENA PIN)
Start threshold voltage, ENA
1.3
V
Stop threshold voltage, ENA
0.5
V
Hysteresis voltage, ENA
450
mV
Internal slow-start time (0 ~ 100%)
4
8
10
ms
CURRENT LIMIT
Current limit
1.2
1.5
3.5
A
Current limit hiccup time
13
16
21
ms
THERMAL SHUTDOWN
Thermal shutdown trip point
135
162
°C
Thermal shutdown hysteresis
14
°C
OUTPUT MOSFET
VIN = 5.5 V
150
rDS(on)
High side power MOSFET switch
m
VIN = 10 V - 36 V
110
230
Copyright 2009, Texas Instruments Incorporated
3
Product Folder Link(s): TPS5410-Q1
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