參數(shù)資料
型號: TPS5430DDARG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 6 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8
封裝: GREEN, PLASTIC, SOP-8
文件頁數(shù): 22/28頁
文件大?。?/td> 810K
代理商: TPS5430DDARG4
www.ti.com
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
SLVS632C – JANUARY 2006 – REVISED NOVEMBER 2006
MIN NOM
MAX
UNIT
TPS5430
5.5
36
VIN
Input voltage range
V
TPS5431
5.5
23
TJ
Operating junction temperature
–40
125
°C
T
J = –40°C to 125°C, VIN = 12.0 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE (VIN PIN)
VSENSE = 2 V, Not switching,
3
4.4
mA
PH pin open
IQ
Quiescent current
Shutdown, ENA = 0 V
18
50
A
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 – 3 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%)
6.6
8
10
ms
CURRENT LIMIT
Current limit
4
5
6
A
Current limit hiccup time
13
16
20
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
110
230
3
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