參數(shù)資料
型號(hào)： TPS54377RHF
廠商： Texas Instruments, Inc.
英文描述： 1.6 MHz, 3-V TO 6-V INPUT, 3-A SYNCHRONOUS STEP-DOWN SWIFT⑩ CONVERTER WITH DISABLED SINKING DURING START-UP
中文描述： 1.6兆赫，3 - V至6 V輸入，3甲同步降壓轉(zhuǎn)換器的SWIFT⑩與殘疾人沉井在啟動(dòng)期間
文件頁(yè)數(shù)： 4/21頁(yè)
文件大?。?/td> 593K
代理商： TPS54377RHF
www.ti.com
TPS54377
SLVS779–SEPTEMBER 2007
ELECTRICAL CHARACTERISTICS (continued)
T
J
= –40
°
C to 125
°
C, V
I
= 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ERROR AMPLIFIER
Error amplifier open loop voltage gain
Error amplifier unity gain bandwidth
Error amplifier common-mode input
voltage range
Input bias current, VSENSE
Output voltage slew rate (symmetric),
COMP
PWM COMPARATOR
PWM comparator propagation delay
time, PWM comparator input to PH pin
(excluding dead time)
SLOW-START/ENABLE
Enable threshold voltage, SS/ENA
Enable hysteresis voltage, SS/ENA
(4)
Falling edge deglitch, SS/ENA
(4)
Internal slow-start time
Charge current, SS/ENA
Discharge current, SS/ENA
POWER GOOD
Power good threshold voltage
Power good hysteresis voltage
(4)
Power good falling edge deglitch
(4)
Output saturation voltage, PWRGD
Leakage current, PWRGD
CURRENT LIMIT
1 k
COMP to AGND
(4)
Parallel 10 k
, 160 pF COMP to AGND
(4)
90
110
dB
MHz
3
5
Powered by internal LDO
(4)
0
VBIAS
V
I
IB
VSENSE = V
ref
60
250
nA
V
O
1
1.4
V/μs
10 mV overdrive
(4)
70
85
ns
0.82
1.2
0.03
2.5
3.35
1.4
V
V
μs
ms
μA
mA
2.6
4.1
SS/ENA = 0 V
SS/ENA = 0.2 V, V
I
= 2.7 V
3
5
8
4
1.3
2.3
VSENSE falling
90
%V
ref
%V
ref
μs
V
μA
3
35
I
(sink)
= 2.5 mA
V
I
= 5.5 V
0.18
0.3
1
V
I
= 3 V, output shorted
(4)
V
I
= 6 V, output shorted
(4)
4
6.5
7.5
Current limit trip point
A
4.5
Current limit leading edge blanking
time
Current limit total response time
(4)
THERMAL SHUTDOWN
Thermal shutdown trip point
(4)
Thermal shutdown hysteresis
(4)
OUTPUT POWER MOSFETS
100
ns
200
ns
135
150
10
165
°
C
°
C
V
I
= 6 V
V
I
= 3 V
59
85
88
m
r
DS(on)
Power MOSFET switches
136
(4)
Specified by design
4
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Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s):
TPS54377
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參數(shù)描述
TPS54377RHFR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.6 MHz 3-6V In 3A Syn. Stp Dwn SWIFT RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54377RHFRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.6 MHz 3V-6V Input 3A Syn. Step Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54377RHFT 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.6 MHz 3-6V In 3A Syn. Stp Dwn SWIFT RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54377RHFTG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.6 MHz 3V-6V Input 3A Syn. Step Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54380 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio
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