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