SC6105
(Continued)
Characteristics
Reference Voltage
Input Bias Current
Open•Loop Voltage Gain
Unity Gain Bandwidth
Power Supply Rejection
Ratio
Symbol
V2.5
IIB
Test condition
Min.
2.45
•
Typ.
2.5
•
Max.
Unit
V
•
2.55
•
•
•
0.1
ȝA
Error
AVOL
BW
50
60
1
•
•
dB
Amplifier
0.3
MHz
PSRR
50
•
•
dB
Oscillator
Soft•Start
PWM Frequency
Charge Current
FOSC
ISS
RI = 75kW
RI = 75kW
•
60
4.0
85
•
65
70
7.0
93
0.5
•
kHz
ȝA
%
5.7
Duty Cycle
DC
•
•
•
Output Voltage Low
Output Voltage High
Output Impedance of
VOH
VOL
VOH
Io = 5mA
V12 = 12V
V
PWM
4
V
Output
RO
•
1.5
•
3.3
kW
PIN CONFIGURATIONS
PIN DESCRIPTIONS
Pin No.
Pin Name
PSON
V33
Description
1
2
3
4
5
6
7
Remote On/Off logic input for CPU or controller. Turn on/off the PWM Output.
3.3V over•voltage/under•voltage control sense input.
5V over•voltage/under•voltage control sense input.
Over•power sense input.
V5
OPP
UVAC
NVP
AC fail detection.
The protection input for negative output.
V12
12V over•voltage/under•voltage control sense input.
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.4
2008.04.17
Page 4 of 9
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
