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): 3/28頁
文件大?。?/td> 655K
代理商: TPS40071PWPR
8
16
20
24
28
12
4
40
20
30
70
50
60
100
80
90
TYPICAL MAXIMUM DUTY CYCLE
vs
INPUT VOLTAGE
VIN - Input Voltage - V
Duty
Cycle
-
%
UVLO(on) = 8 V
UVLO(on) = 15 V
UVLO(on) = 4.5 V
UVLO(on) = 12 V
VDG03172
RAMP
COMP
SW
VIN
SW
COMP
RAMP
VPEAK
VVALLEY
T2
tON1 > tON2 and d1 > d2
tON2
tON1
d +
t
ON
T
T1
www.ti.com .................................................................................................................................................. SLUS582J – DECEMBER 2003 – REVISED APRIL 2009
Figure 8.
Figure 9. Voltage Feed-Forward and PWM Duty Cycle Waveforms
Copyright 2003–2009, Texas Instruments Incorporated
11
Product Folder Link(s): TPS40070 TPS40071
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