參數(shù)資料
型號: CM3728
英文描述: 2.5G/3G Cellular Phone Buck Regulator|Battery Management ICs
中文描述: 能工作蜂窩電話降壓穩(wěn)壓器|電池管理IC
文件頁數(shù): 2/11頁
文件大?。?/td> 267K
代理商: CM3728
CM3728
2.5G/3G C
ELLULAR
P
HONE
B
UCK
R
EGULATOR
PIN DESCRIPTION
Pin No.
Symbol
CM3728
2002/09/30
Rev. 1.0
Champion Microelectronic Corporation
Page 2
Description
Operating Rating
Typ.
Min.
Max. Unit
1
BATT
Supply Voltage input for internal circuits
2
2.5
5
V
2
GND
Ground for internal reference voltage divider
3
SD
Shutdown active high. CMOS input level
0.75 x
BATT
BATT
+ 0.3V
V
4
VREF
Input for external reference voltage
0.8
4
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 MOSFET.
-1.5
+1.5
A
8
PVDD
Voltage supply for output power transistors
2
2.5
5
V
ORDERING INFORMATION
Part Number
Temperature Range
Package
CM3728IT
-40
to 85
8-Pin PTSSOP (PT08)
BLOCK DIAGRAM
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