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參數(shù)資料
| 型號(hào)： | CM3718GIS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1.5A LOW NOISE PWM STEP DOWN REGULATOR |
| 中文描述： | 1.5A的低噪音PWM降壓調(diào)節(jié) |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大?。?/td> | 361K |
| 代理商： | CM3718GIS |
CM3718
1.5A L
OW
-N
OISE
PWM S
TEP
-D
OWN
R
EGULATOR
PIN DESCRIPTION
Pin No.
Symbol
CM3718
Description
Operating Rating
Min.
Typ.
Max.
Uni
t
1
VIN
Voltage supply for internal circuits
2
2.5
5.5
V
2
GND
Ground for internal reference voltage divider
Shutdown level
0.75 x VIN
VIN + 0.3
3
SD
CMOS input level
Enable level
0
2.0
V
4
VREF
V
OUT
Set Voltage
1.1
VIN
V
5
VFB
Feedback node for the V
OUT
VREF
V
6
PGND
Ground for output power transistors
7
LX
Inductor connection to the Drains of the internal power MOSFETs
5.5
V
8
PVIN
Voltage supply for output power transistors
2
2.5
5.5
V
ORDERING INFORMATION
Part Number
Temperature Range
Package
CM3718IS
-40
℃
to 85
℃
8-Pin PSOP (PS08)
CM3718GIS*
-40
℃
to 85
℃
8-Pin PSOP (PS08)
*Note:
G : Suffix for Pb Free Product
BLOCK DIAGRAM
PWM Controller
Oscillator Ramp Generator
Error Amp
Thermal
Protection
MOS
VREF
GND
4
2
VFB
5
PGND
6
LX
7
PVIN
8
VIN1
1
SD
3
2005/02/02
Rev. 1.5
Champion Microelectronic Corporation
Page 2
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| CM3718IS | 制造商:CHAMP 制造商全稱:CHAMP 功能描述:1.5A LOW-NOISE PWM STEP-DOWN REGULATOR |
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