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參數(shù)資料
| 型號： | CS3972YTVA5 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | Audio control and Instrumentation Cable Shielded; Number of Conductors:4; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Material:Polyvinylchloride (PVC); Shielding Material:Aluminum Foil/Polyester Tape RoHS Compliant: Yes |
| 中文描述： | 1.25A的高效率開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 186K |
| 代理商： | CS3972YTVA5 |
3
Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
Typical Performance Characteristics
1.274
1.264
1.254
1.244
1.234
1.224
1.214
-50
-25
-0
25
Temperature (
°
C)
50
75
100
125
150
R
Reference Voltage vs. Temperature
47
45
43
41
39
37
33
-50
-25
-0
25
Temperature (
°
C)
50
75
100
125
150
F
35
Switching Frequency vs. Temperature
100
90
80
70
60
50
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Switch Current (A)
D
10
40
30
20
1.8
2.0
Driver Current vs. Switch Current
97
96
95
93
92
91
90
-50
-25
-0
Junction Temperature (
°
C)
25
50
75
100
125
150
D
Maximum Duty Cycle
1.6
1.4
1.2
1.0
0.8
0.6
0
0
0.50
1.00
1.25
1.75
Switch Current (A)
S
0.4
0.2
2.0
0.25
0.75
1.50
T
j
=25
°
C
Switch Saturation Voltage
16L
5L
8L
SO Wide
TO-220
PDIP
16
3
1
Gnd
Logic and power ground on TO-220. Logic ground only on 8L
PDIP.
2
1
2
V
C
Control voltage can be used for frequency compensation, cur-
rent limit threshold, frequency synchronization, and soft start.
3
2
3
V
FB
Feedback voltage is the negative input to the error amplifier.
1,4,5,6,7,8,
10,12,15
4
NC
No connection.
9
5
5
V
IN
Supply input voltage with a range of 3V to 60V.
11
6
E
1
Emitter One is a power ground which should always be con-
nected to logic ground since it is used as the negative input to
the current sense amp.
13
4
7
V
SW
Collector of internal 75V NPN power switch.
14
8
E
2
Emitter Two is a power ground which can be left disconnected
to reduce the switch rating to 625mA.
C
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