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參數(shù)資料
| 型號(hào)： | CS3972YDW16 |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A SWITCHING CONTROLLER, 47 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SO-16 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 186K |
| 代理商： | CS3972YDW16 |
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
50
75
100
125
150
Temperature (°C)
Reference
V
oltage
(V)
Reference Voltage vs. Temperature
47
45
43
41
39
37
33
-50
-25
-0
25
50
75
100
125
150
Temperature (°C)
Frequency
(kHz)
35
Switching Frequency vs. Temperature
100
90
80
70
60
50
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Switch Current (A)
Driver
Current
(mA)
10
40
30
20
1.8
2.0
Driver Current vs. Switch Current
97
96
95
93
92
91
90
-50
-25
-0
25
50
75
100
125
150
Junction Temperature (°C)
Duty
Cycle
(%)
Maximum Duty Cycle
1.6
1.4
1.2
1.0
0.8
0.6
0
0.50
1.00
1.25
1.75
Switch Current (A)
Switch
Saturation
V
oltage
(V)
0.4
0.2
2.0
0.25
0.75
1.50
Tj=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.
21
2
VC
Control voltage can be used for frequency compensation, cur-
rent limit threshold, frequency synchronization, and soft start.
32
3
VFB
Feedback voltage is the negative input to the error amplifier.
1,4,5,6,7,8,
4
NC
No connection.
10,12,15
95
5
VIN
Supply input voltage with a range of 3V to 60V.
11
6
E1
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
VSW
Collector of internal 75V NPN power switch.
14
8
E2
Emitter Two is a power ground which can be left disconnected
to reduce the switch rating to 625mA.
CS3972
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS3972YDWR16 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CS3972YN8 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| CS3972YTHA5 | 制造商:CHERRY 制造商全稱:CHERRY 功能描述:1.25A High Efficiency Switching Regulator |
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