参数资料
型号: TPS40077PWPRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封装: GREEN, PLASTIC, HTSSOP-16
文件页数: 41/43页
文件大小: 847K
代理商: TPS40077PWPRG4
50
25
50
100
125
0
115
150
140
100
25
75
135
125
110
105
120
145
130
I I
L
IM
Current
Limit
Sink
Current
A
TJ Junction Temperature °C
VDD
28 V
12 V
4.5 V
V
IL
IM
(o
ff
s
t)
Current
Limit
Offset
V
oltage
Drop
mV
TJ – Junction Temperature – °C
50
25
50
100
125
0
40
0
10
60
25
75
20
30
50
Average
+3 S
3 S
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
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
www.ti.com ..................................................................................................................................................... SLUS714D – JANUARY 2007 – REVISED APRIL 2009
TYPICAL CHARACTERISTICS (continued)
CURRENT LIMIT OFFSET VOLTAGE
CURRENT LIMIT SINK CURRENT
vs
JUNCTION TEMPERATURE
Figure 5.
Figure 6.
FEEDBACK REGULATION VOLTAGE
SWITCHING FREQUENCY
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
Figure 7.
Figure 8.
Copyright 2007–2009, Texas Instruments Incorporated
7
Product Folder Link(s) :TPS40077
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