- 您現在的位置：買賣IC網 > PDF目錄98282 > TPS54310MPWPREP (TEXAS INSTRUMENTS INC) 6 A SWITCHING REGULATOR, 775 kHz SWITCHING FREQ-MAX, PDSO20 PDF資料下載
參數資料
| 型號： | TPS54310MPWPREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 6 A SWITCHING REGULATOR, 775 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | PLASTIC, HTSSOP-20 |
| 文件頁數： | 14/19頁 |
| 文件大?。?/td> | 487K |
| 代理商： | TPS54310MPWPREP |
SLVS818 – APRIL 2008 ..................................................................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
TJ = –55°C to 125°C, VIN = 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OSCILLATOR
SYNC
≤ 0.8 V, RT open
255
350
450
Internally set free-running frequency range
kHz
SYNC
≥ 2.5 V, RT open
400
550
700
RT = 180 k
(1% resistor to AGND)(4)
245
280
313
Externally set free-running frequency range
RT = 100 k
(1% resistor to AGND)
450
500
550
kHz
RT = 68 k
(1% resistor to AGND)
650
700
775
High-level threshold voltage, SYNC
2.5
V
Low-level threshold voltage, SYNC
0.8
V
Pulse duration, SYNC(5)
50
Frequency range, SYNC(5)
330
700
kHz
Ramp valley(4)
0.75
V
Ramp amplitude (peak-to-peak)(4)
1
V
Minimum controllable on time
200
ns
Maximum duty cycle
90%
ERROR AMPLIFIER
Error amplifier open loop voltage gain
1 k
COMP to AGND(5)
90
110
dB
Error amplifier unity gain bandwidth
Parallel 10 k
, 160 pF COMP to AGND(5)
3
5
MHz
Error amplifier common-mode input voltage range
Powered by internal LDO(5)
0
VBIAS
V
IIB
Input bias current, VSENSE
VSENSE = Vref
60
250
nA
VO
Output voltage slew rate (symmetric), COMP
1.4
V/s
PWM COMPARATOR
PWM comparator propagation delay time, PWM
10 mV overdrive(5)
70
85
ns
comparator input to PH pin (excluding dead time)
SLOW-START/ENABLE
Enable threshold voltage, SS/ENA
0.82
1.20
1.45
V
Enable hysteresis voltage, SS/ENA(4)
0.03
V
Falling edge deglitch, SS/ENA(4)
2.5
s
Internal slow-start time
2.2
3.35
4.1
ms
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
1.2
2.3
4
mA
POWER GOOD
Power good threshold voltage
VSENSE falling
90
%Vref
Power good hysteresis voltage(4)
3
%Vref
Power good falling edge deglitch(4)
35
s
Output saturation voltage, PWRGD
I(sink) = 2.5 mA
0.18
0.30
V
Leakage current, PWRGD
VI = 5.0 V
1
A
CURRENT LIMIT
VI = 3 V, output shorted
(5)
4
6.5
Current limit trip point
A
VI = 6 V, output shorted
(5)
4.5
7.5
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
°C
OUTPUT POWER MOSFETS
IO = 0.5 A, VI = 6 V
(6)
59
88
rDS(on) Power MOSFET switches
m
IO = 0.5 A, VI = 3 V
(6)
85
136
(4)
Specified by design
(5)
Specified by design for TJ = -40°C to 125°C
(6)
Matched MOSFETs, low side rDS(on) production tested, high side rDS(on) specified by design.
4
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS54310-EP
相關PDF資料 |
PDF描述 |
|---|---|
| TPS54310PWPRG4 | 6 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
| TPS54320RHLR | SWITCHING REGULATOR, 1320 kHz SWITCHING FREQ-MAX, PQCC14 |
| TPS54320RHL | SWITCHING REGULATOR, PQCC14 |
| TPS54327DDAR | 5.7 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS54328DDA | 5.7 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS54310PWP | 功能描述:直流/直流開關調節器 3A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54310PWP | 制造商:Texas Instruments 功能描述:BUCK PWM REG FET 3A SMD 54310 |
| TPS54310PWPG4 | 功能描述:直流/直流開關調節器 3A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54310PWP-P | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| TPS54310PWPR | 功能描述:直流/直流開關調節器 3A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
發布緊急采購，3分鐘左右您將得到回復。