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參數(shù)資料
| 型號： | FAN3506 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | PC SMPS Secondary Side Control IC |
| 中文描述： | 5-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16 |
| 封裝： | 0.300 INCH, DIP-16 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 191K |
| 代理商： | FAN3506 |
2002 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.2
Features
Few External Components
Low Voltage Operation (Vcc_min=4.5V)
Over Voltage Protection for 3.3V/5V/12V Output
Two Protection Inputs (PT1, PT2)
Fault Protection Output with Open Collector
Power Supply on/off Delay Time Control (PSON)
Latch Function Controlled by PSON and Protection
Power Good Signal Generator with Hysteresis
300ms(Typ) Power Good Delay
Programmable Shunt Regulator Trimmed to ±2%
16-Pin Dual In-line Package (16-DIP-300)
Description
The FAN3506 is complete housekeeping circuitry for use in
the secondary side of PC SMPS (Switched Mode Power
Supply). It contains various functions, which are over
voltage protection including two extra protection inputs,
power supply on/off delay control and power good signal
generator. Especially, it contains a programmable shunt
regulator for output feedback and the reference voltage is
trimmed to ±2%. The FAN3506 is available in 16-DIP.
16-DIP
1
Block Diagram
1
2
3
5
13
14
7
8
6
11
PGI
12
GND
10
TPG
16
15
9
4
V
CC
FPO
PG
IK
VREF
Rd
TPSON
PSON
PT2
PT1
V33
V5
V12
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
R1
R3
R5
R2
R4
R6
1.26V
+
+
+
+
+
S
R
Q
Q1
R7 R9
R11
R8
R10 R12
1.32V~1.26V
COMP4
V
CC
lchg
3.9V
Q2
COMP6
1.8V~1.2V
Q3
COMP5
1.32V~1.26V
1.26V
COMP3
1.8V~0.6V
lon
COMP2
1.4V
3.2V
lil
loff
+
_
_
+
+
_
_
+
_
_
_
+
V
CC
_
+
FAN3506
PC S MPS S ec ondary Side Control IC
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