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): 43/44頁
文件大小: 806K
代理商: TPS40075RHLR
www.ti.com
50
25
50
100
125
0
699
704
697
25
75
702
698
700
703
701
V
F
B
Feedback
V
oltage
V
TJ Junction Temperature °C
VDD
28 V
4.5 V
12 V
50
25
50
100
125
0
30
15
25
75
20
10
5
25
10
5
15
High Level Output Current
Low Level Output Current
I S
E
N
S
E
Sense
Amplifier
Output
Current
mA
TJ Junction Temperature °C
f S
W
Switching
Frequency
kHz
VVDD Input Voltage V
4
8
16
24
28
12
20
500
490
497
491
493
498
496
494
499
495
492
RRT = 90.1k
A
D
IF
F
Sense
Amplifier
Gain
V/V
TJ Junction Temperature °C
50
25
50
100
125
0
25
75
0.9965
0.9980
1.0005
0.9995
0.9970
0.9985
1.000
0.9990
0.9975
VDD = 4.5 V
VDD = 2.5 V
VDD = 1.25 V
VDD = 0.5 V
SLUS676A – MAY 2006 – REVISED SEPTEMBER 2007
TYPICAL CHARACTERISTICS (continued)
FEEDBACK REGULATION VOLTAGE
SENSE AMPLIFIER OUTPUT CURRENT
vs
JUNCTION TEMPERATURE
Figure 7.
Figure 8.
CURRENT SENSE AMPLIFIER GAIN
SWITCHING FREQUENCY
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
Figure 9.
Figure 10.
8
Copyright 2006–2007, Texas Instruments Incorporated
Product Folder Link(s) :TPS40075
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