参数资料
型号: TPS54615MPWPREP
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 12 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO28
封装: PLASTIC, HTSSOP-28
文件页数: 18/21页
文件大小: 650K
代理商: TPS54615MPWPREP
www.ti.com
TPS54611-EP, TPS54612-EP
TPS54613-EP, TPS54614-EP
TPS54615-EP, TPS54616-EP
SGLS293A – FEBRUARY 2005 – REVISED AUGUST 2005
ELECTRICAL CHARACTERISTICS (continued)
T
J = –55°C to 125°C, VI = 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ERROR AMPLIFIER
Error amplifier open loop voltage gain (4)
26
dB
Error amplifier unity gain bandwidth(4)
3
5
MHz
Error amplifier common mode input voltage range
Powered by internal LDO(4)
0
VBIAS
V
SLOW-START/ENABLE
Enable threshold voltage, SS/ENA
0.82
1.2
1.4
V
Enable hysteresis voltage, SS/ENA (4)
0.03
V
Falling edge deglitch, SS/ENA(4)
2.5
s
TPS54611
2.6
3.3
4.1
TPS54612
3.5
4.5
5.4
TPS54613
4.4
5.6
6.7
Internal slow-start time(4)
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
A
Discharge current, SS/ENA
SS/ENA = 0.2 V, VI = 2.7 V
1.5
2.3
4
mA
POWER GOOD
Power good threshold voltage
VSENSE falling
90
%VO
Power good hysteresis voltage
See (4)
3
%VO
Power good falling edge deglitch
See (4)
35
s
Output saturation voltage, PWRGD
I(sink) = 2.5 mA
0.18
0.3
V
Leakage current, PWRGD
VI = 5.5 V
100
nA
CURRENT LIMIT
VI = 3 V
10
Current limit(4)
A
VI = 6 V
12
Current limit leading edge blanking time(4)
100
ns
Current limit total response time(4)
200
ns
THERMAL SHUTDOWN
Thermal shutdown trip point(4)
135
150
165
°C
Thermal shutdown hysteresis(4)
10
OUTPUT POWER MOSFETs
VI = 6 V(5)
26
47
rDS(on) Power MOSFET switches
m
VI = 3 V(5)
36
65
(4)
Specified by design
(5)
Matched MOSFETs, low side rDS(on) production tested, high side rDS(on) specified by design.
6
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