参数资料
型号: TPS40197RGYR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 520 kHz SWITCHING FREQ-MAX, PQCC16
封装: PLASTIC, MO-241BB, VQFN-16
文件页数: 28/30页
文件大小: 931K
代理商: TPS40197RGYR
5.40
-40
5
-25 -10
20
65
35
50
80
125
95 110
T
J – Junction Temperature – °C
5.50
5.45
5.75
5.65
5.70
5.55
5.60
t S
S
S
o
ft
S
ta
rt
T
im
e
m
s
12
4
Open
R
COMP (kW)
0
-40
5
-25 -10
20
65
35
50
80
125
95 110
T
J – Junction Temperature – °C
100
50
400
300
350
150
250
V
IL
IM
L
C
u
rr
e
n
t
L
im
it
T
h
re
s
h
o
ld
m
V
200
-40
5
t R
E
G
T
im
e
-t
o
-R
e
g
u
la
ti
o
n
m
s
-25 -10
20
65
35
50
80
125
95 110
T
J – Junction Temperature – °C
6.9
6.5
6.7
8.5
7.9
8.3
7.7
7.3
7.5
7.1
8.1
-40
200
0
5
-25 -10
20
65
35
50
80
125
95 110
100
800
600
700
500
300
400
T
J – Junction Temperature – °C
V
IL
IM
H
C
u
rr
e
n
t
L
im
it
T
h
re
s
h
o
ld
m
V
TI Information — Selective Disclosure
www.ti.com
SLUS886 – NOVEMBER 2008
TYPICAL CHARACTERISTICS (continued)
SOFT START TIME
LOW-SIDE MOSFET CURRENT LIMIT THRESHOLD
vs
JUNCTION TEMPERATURE
Figure 5.
Figure 6.
HIGH-SIDE MOSFET CURRENT LIMIT THRESHOLD
TOTAL TIME-TO-REGULATION
vs
JUNCTION TEMPERATURE
Figure 7.
Figure 8.
Copyright 2008, Texas Instruments Incorporated
7
Product Folder Link(s): TPS40197
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