參數(shù)資料
型號: TPS40075RHLR
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, PQCC20
封裝: PLASTIC, QFN-20
文件頁數(shù): 3/44頁
文件大?。?/td> 806K
代理商: TPS40075RHLR
www.ti.com
60
90
150
180
210
270
120
240
4
2
8
6
10
14
12
18
16
20
RKFF Feedforward Impedance k
V
U
V
L
O
Programmable
UVLO
Threshold
V
UVLOVON
fSW = 500 kHz
UVLOVOFF
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
40
60
100
120
140
180
80
160
4
2
8
6
10
14
12
18
16
20
RKFF Feedforward Impedance k
V
U
V
L
O
Programmable
UVLO
Threshold
V
UVLOVON
fSW = 750 kHz
UVLOVOFF
8
16
20
24
28
12
4
40
20
30
70
50
60
100
80
90
VIN Input Voltage V
Duty
Cycle
%
UVLO(on) = 8 V
UVLO(on) = 15 V
UVLO(on) = 4.5 V
UVLO(on) = 12 V
SLUS676A – MAY 2006 – REVISED SEPTEMBER 2007
TYPICAL CHARACTERISTICS (continued)
UVLO THRESHOLD VOLTAGE
vs
FEEDFORWARD IMPEDANCE
Figure 19.
Figure 20.
UVLO THRESHOLD VOLTAGE
TYPICAL MAXIMUM DUTY CYCLE
vs
FEEDFORWARD IMPEDANCE
INPUT VOLTAGE
Figure 21.
Figure 22.
Copyright 2006–2007, Texas Instruments Incorporated
11
Product Folder Link(s) :TPS40075
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