參數(shù)資料
型號: AN32502A
英文描述: For Information·Communication - PDA
中文描述: 信息·通訊-掌上電腦
文件頁數(shù): 12/45頁
文件大?。?/td> 574K
代理商: AN32502A
12
SDF00034AEB
AN32502A
Publication data: November 2002
Pin Descriptions
8
1
2
3
4
5
6
7
9
10
11
12
13
14
22
15
16
17
18
19
20
21
23
24
25
26
27
28
I / O
FBR3
VB5
Power supply (for ch.4 output circuit)
PGND4
Low side control output (Ch.4 )
PGND3
LC3
VIN
Stabilized DC voltage input
VO1
O
V
IN
switch output 1
SCP
SGND
GND (signal system)
RT
CT
LGND
O
GND for input/ output part
LC2
FBR2
PGC2
VB4
IN4
FB4
O
PR3
SS4
I
PR2
I
I
BAT_FLT
Low voltage detection output
PGND2
30
31
32
29
LO1
VB3
PGND1
VB2
HC1
I
O
O
O
O
Function
Pin name
Pin No.
Capacitor for circuit protection
Start up control (Ch.2)
Soft start (Ch.4)
Error amplifier inverted input (Ch.4)
Error amplifier output (Ch.4)
GND (Ch.4)
Feedback (Ch.3)
GND (Ch.3)
External MOS gate control (Ch.3)
Power supply (Ch.3)
External MOS gate control (Ch.2 reverse current protection)
Feedback (Ch.2)
GND (Ch.2 )
Power supply (Ch.2)
GND (Ch.1)
Power supply (for ch.1 output circuit)
I
VO2
LC4
HC4
I
I
I
I
O
I
O
O
Capacitor connection pin (internal oscillator)
Resistor connection pin (internal oscillator)
V
IN
switch output 2
Start up control (Ch.3)
High side control output (Ch.4 )
Low side control output (Ch.1)
High side control output (Ch.1)
O
nRESET
Reset output
External MOS gate control (Ch.2)
O
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