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參數(shù)資料
型號: TPS40071PWPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, PLASTIC, HTSSOP-16
文件頁數(shù): 28/28頁
文件大小: 655K
代理商: TPS40071PWPR
R
KFF + 0.131
R
T
V
UVLO(on) * 1.61
10*3
V
UVLO(on)
2
) 1.886
V
UVLO * 1.363 * 0.02
R
T * 4.87
10*5
R2
T
RKFF Feedforward Impedance k
100
150
250
300
350
450
200
400
4
2
8
6
10
14
12
18
16
20
V
U
V
L
O
Programmable
UVLO
Threshold
V
UVLOVON
fSW = 300 kHz
UVLOVOFF
VDD Input Voltage V
f O
S
C
Frequency
kHz
490
480
485
505
495
500
520
510
515
525
27
5
9
11
15
17 19
23 25
13
21
29
www.ti.com .................................................................................................................................................. SLUS582J – DECEMBER 2003 – REVISED APRIL 2009
(4)
where
R
T and RKFF are in k
V
UVLO(on) is in V
This yields typical numbers for the programmed startup voltage. The minimum and maximum values may vary up
15% from this number. Figure 5 through Figure 6 show the typical relationship of VUVLO(on), VUVLO(off) and RKFF at
three common frequencies.
FREQUENCY
UNDERVOLTAGE LOCKOUT THRESHOLD
vs
INPUT VOLTAGE
FEEDFORWARD IMPEDANCE
Figure 4.
Figure 5.
Copyright 2003–2009, Texas Instruments Incorporated
9
Product Folder Link(s): TPS40070 TPS40071
相關(guān)PDF資料
PDF描述
TPS40070PWPR 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
TPS40074RHLT 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC20
TPS40074RHLRG4 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC20
TPS40074RHL 2 A SWITCHING CONTROLLER, 550 kHz SWITCHING FREQ-MAX, PQCC20
TPS40075RHLR 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS40071PWPRG4 功能描述:DC/DC 開關(guān)控制器 Mid Rg In Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS40074 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40074EVM-001 功能描述:電源管理IC開發(fā)工具 TPS40074 001 EVAL Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS40074RHLR 功能描述:DC/DC 開關(guān)控制器 Mid Input Sync Buck w/Vltg Feed-Fwd RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS40074RHLRG4 功能描述:DC/DC 開關(guān)控制器 Mid Input Sync Buck w/Vltg Feed-Fwd RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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