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参数资料
| 型号： | TPS54311PWPRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 6 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封装： | GREEN, PLASTIC, HTSSOP-20 |
| 文件页数： | 14/19页 |
| 文件大小： | 469K |
| 代理商： | TPS54311PWPRG4 |
TPS54311, TPS54312
TPS54313, TPS54314
TPS54315, TPS54316
SLVS416B FEBRUARY 2002 REVISED APRIL 2005
www.ti.com
4
ELECTRICAL CHARACTERISTICS (continued)
TJ = 40°C to 125°C, VIN = 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ERROR AMPLIFIER
Error amplifier open loop voltage gain(1)
26
dB
Error amplifier unity gain bandwidth(1)
3
5
MHz
PWM COMPARATOR
PWM comparator propagation delay time,
PWM comparator input to PH pin (ex-
cluding dead time)
10 mV overdrive(1)
70
85
ns
SLOW-START/ENABLE
Enable threshold voltage, SS/ENA
0.82
1.20
1.40
V
Enable hysteresis voltage, SS/ENA(1)
0.03
V
Falling edge deglitch, SS/ENA(1)
2.5
s
TPS54311
2.6
3.3
4.1
TPS54312
3.5
4.5
5.4
Internal slow start time(1)
TPS54313
4.4
5.6
6.7
ms
Internal slow-start time(1)
TPS54314
2.6
3.3
4.1
ms
TPS54315
3.6
4.7
5.6
TPS54316
4.7
6.1
7.6
Charge current, SS/ENA
SS/ENA = 0 V
3
5
8
A
Discharge current, SS/ENA
SS/ENA = 0.2 V,
VI = 1.5 V
1.5
2.3
4
mA
POWER GOOD
Power good threshold voltage
VSENSE falling
90
%Vref
Power good hysteresis voltage(1)
3
%Vref
Power good falling edge deglitch(1)
35
s
Output saturation voltage, PWRGD
I(sink) = 2.5 mA
0.18
0.30
V
Leakage current, PWRGD
VI = 5.5 V
1
A
CURRENT LIMIT
Current limit trip point
4
6.5
A
Current limit trip point
4.5
7.5
A
Current limit leading edge blanking time
100
ns
Current limit total response time
200
ns
THERMAL SHUTDOWN
Thermal shutdown trip point(1)
135
150
165
°C
Thermal shutdown hysteresis(1)
10
°C
OUTPUT POWER MOSFETS
r
Power MOSFET switches
59
88
m
rDS(on)
Power MOSFET switches
85
136
m
(1) Specified by design
(2) Matched MOSFETs, low side rDS(on) production tested, high side rDS(on) specified by design
相关PDF资料 |
PDF描述 |
|---|---|
| TPS54316PWP | 6 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
| TPS54313PWP | 6 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
| TPS54314PWPR | 6 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
| TPS54314PWPRG4 | 6 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
| TPS54315PWPR | 6 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS54312 | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS-BUCK PWM SWITCHER WITH INTEGRATED FETs |
| TPS54312MPWPREP | 功能描述:直流/直流开关调节器 Mil Enh 3V-6V 3A Out Synch-Buck PWM Sw RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS54312PWP | 功能描述:直流/直流开关调节器 Lo-In Voltage 3A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS54312PWP | 制造商:Texas Instruments 功能描述:BUCK PWM REG FET 3A SMD 54312 |
| TPS54312PWPG4 | 功能描述:直流/直流开关调节器 Lo-In Voltage 3A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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