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參數資料
型號: TPS5430MDDAREPG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: 8.5 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8
封裝: GREEN, PLASTIC, SOP-8
文件頁數: 23/28頁
文件大小: 846K
代理商: TPS5430MDDAREPG4
ELECTRICAL CHARACTERISTICS
SLVS911 – MARCH 2009................................................................................................................................................................................................... www.ti.com
TJ = –55°C to 125°C, VIN = 12 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 Lockout (UVLO)
Start threshold voltage, UVLO
5.3
V
Hysteresis voltage, UVLO
330
mV
Voltage Reference
TJ = 25°C, IO = 0 A to 3 A
1.202
1.221
1.239
Voltage reference accuracy
V
TJ = Full Temp Range, IO = 0 A to 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%)
5.4
8
10
ms
Current Limit
Current limit
4
5
8.5
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
110
230
4
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS5430-EP
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