CM6900G Datasheet, PDF (6/12 Pages) Champion Microelectronic Corp. – Resonant Controller

CM6900G
Resonant Controller
ELECTRICAL CHARACTERISTICS
(VCC=12V, RTCT Freq. =100 KHz, Duty Cycle=50% , Temp=25 degree C, unless otherwise specified.)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
FEAO Resonant Error Amplifier (pin 3)
Input Voltage Range
6
Transconductance
Gm
135
Feedback Reference Voltage
2.45
2.5
2.55
Input Bias Current
-1
-0.5
Output High Voltage
5.5+VBE
Output Low Voltage
0.1
0.4
Sink Current
-15
Source Current
15
Open Loop Gain
60
DEAO PWM Error Amplifier (pin 6)
Input Voltage Range
6
Transconductance
Gm
135
Input Bias Current
-1.0
-0.5
Output Voltage High
3+VBE
Output Voltage Low
0.1
0.4
Sink Current
-15
Source Current
15
Open Loop Gain
60
RTCT Oscillator;RT=61K;CT=470pF (pin 8)
Initial Accuracy
TA=25’C
95
100
105
Volatge Stability
11V < Vcc < 16.5V
1
Temperature Stability
2
Ramp Valley to Peak Voltage
2
CT Discharge Time
350
Maxmum Duty cycle
DEAO > 3.0V
50
Minimum Duty Cycle
DEAO < 1.2V
0
VFB OVP Comparator
Threshold Voltage
2.94
VCC OVP Comparator
Input Voltage Range
17.5
Unit
V
umho
V
uA
V
V
uA
uA
dB
V
umho
uA
V
V
uA
uA
dB
Khz
%
%
V
nS
%
%
V
V
2007/11/22 Rev1.0
Champion Microelectronic Corporation
Page 6