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參數(shù)資料
| 型號(hào)： | TPS54611-Q1 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs(SWIFT) |
| 中文描述： | 3 - V至6 V輸入，6 - A輸出同步降壓PWM開關(guān)帶有集成FET協(xié)會(huì)（SWIFT） |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 246K |
| 代理商： | TPS54611-Q1 |
SGLS266D OCTOBER 2004 REVISED DECEMBER 2004
www.ti.com
7
ELECTRICAL CHARACTERISTICS (CONTINUED)
TJ = –40
°
C to 125
°
C, VI = 3 V to 6 V (unless otherwise noted)
PARAMETER
ERROR AMPLIFIER
Error amplifier open loop voltage gain(1)
Error amplifier unity gain bandwidth(1)
TEST CONDITIONS
MIN
TYP
MAX
UNIT
26
dB
3
5
MHz
Error amplifier common mode input voltage range
Powered by internal LDO(1)
0
VBIAS
V
PWM COMPARATOR
PWM comparator propagation delay time, PWM
comparator input to PH pin (excluding deadtime)
10-mV overdrive(1)
70
85
ns
SLOW-START/ENABLE
Enable threshold voltage, SS/ENA
Enable hysteresis voltage, SS/ENA(1)
Falling edge deglitch, SS/ENA(1)
0.82
1.20
1.40
V
0.03
V
μ
s
2.5
TPS54611
2.6
3.3
4.1
TPS54612
3.5
4.5
5.4
Internal slow-start time (1)
TPS54613
4.4
5.6
6.7
ms
TPS54614
2.6
3.3
4.1
TPS54615
3.6
4.7
5.6
TPS54616
4.7
6.1
7.6
Charge current, SS/ENA
SS/ENA = 0 V
2.5
5
8
μ
A
mA
Discharge current, SS/ENA
SS/ENA = 0.2 V, VI = 2.7 V
1.2
2.3
4.0
POWER GOOD
Power good threshold voltage
VSENSE falling
See (1)
See (1)
90
%VO
%VO
μ
s
V
μ
A
Power good hysteresis voltage
3
Power good falling edge deglitch
35
Output saturation voltage, PWRGD
I(sink) = 2.5 mA
VI = 5.5 V
0.18
0.3
Leakage current, PWRGD
1
CURRENT LIMIT
Current limit
VI = 3 V
VI = 6 V
7.2
10
A
10
12
Current limit leading edge blanking time (1)
Current limit total response time(1)
100
ns
200
ns
THERMAL SHUTDOWN
Thermal shutdown trip point(1)
Thermal shutdown hysteresis(1)
135
150
165
C
10
OUTPUT POWER MOSFETS
rDS(on)
Power MOSFET switches
IO = 3 A, VI = 6 V(2)
IO = 3 A, VI = 3 V(2)
26
47
m
36
65
(1)Specified by design
(2)Matched MOSFETs, low side rDS(on) production tested, high side rDS(on) specified by design.
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| TPS54612 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs |
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| TPS54612PWP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Lo-In Voltage 6A Sync Buck Converter 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 |
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