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CM6900IP Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

Part # CM6900IP
Description  PFC/PWM COMBO w/ INRUSH CURRENT CONTROL & SEPARATED PFCOVP
PDF  19 Pages
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CM6900IP Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers

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CM6900
PFC/PWM COMBO w/ INRUSH CURRENT CONTROL & SEPARATED PFCOVP
2003/04/23
Preliminary Rev. 1.2
Champion Microelectronic Corporation
Page 5
ELECTRICAL CHARACTERISTICS (Conti.) Unless otherwise stated, these specifications apply
VCCA=+15V, RT = 52.3kΩ, CT = 470pF, TA=Operating Temperature Range (Note 1)
CM6900
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Current Error Amplifier (gmi)
Input Voltage Range
-1.5
0.7
V
Transconductance
VNONINV = VINV, VEAO = 3.75V
50
100
150
µmho
Input Offset Voltage
-12
12
mV
Input Bias Current
-1.0
-0.5
µA
Output High Voltage
4.0
4.25
V
Output Low Voltage
0.65
1.0
V
Sink Current
ISENSE = +0.5V, IEAO = 4.0V
-65
-35
µA
Source Current
ISENSE = -0.5V, IEAO = 1.5V
35
75
µA
Open Loop Gain
60
70
dB
Power Supply Rejection Ratio
11V < VCCA < 16.5V
60
75
dB
PFC OVP Comparator
Threshold Voltage
2.70
2.77
2.85
V
Hysteresis
230
290
mV
Low Power Detect Comparator
Threshold Voltage
0.4
0.5
0.6
V
VCCA OVP Comparator
Threshold Voltage
19
19.4
20
V
Hysteresis
1.40
1.5
1.65
V
PFC ILIMIT Comparator
Threshold Voltage
-1.10
-1.00
-0.90
V
(PFC ILIMIT VTH – Gain Modulator
Output)
80
200
mV
Delay to Output (Note 4)
Overdrive Voltage = -100mV
250
ns
DC ILIMIT Comparator
Threshold Voltage
0.95
1.0
1.05
V
Delay to Output (Note 4)
Overdrive Voltage = 100mV
250
ns
VIN OK Comparator
Threshold Voltage
2.35
2.45
2.55
V
Hysteresis
0.8
1.0
1.2
V
GAIN Modulator
IAC = 100µA, VRMS = VFB = 1V
0.59
0.81
IAC = 100µA, VRMS = 1.1V, VFB = 1V
1.47
2.03
IAC = 150µA, VRMS = 1.8V, VFB = 1V
0.66
0.92
Gain (Note 3)
IAC = 300µA, VRMS = 3.3V, VFB = 1V
0.21
0.29
Bandwidth
IAC = 100µA
10
MHz
Output Voltage =
3.5K*(ISENSE-IOFFSET)
IAC = 250µA, VRMS = 1.1V, VFB = 1V
0.70
0.80
0.90
V
Oscillator
Initial Accuracy
TA = 25℃
66
75.5
kHz
Voltage Stability
11V < VCCA < 16.5V
1
%
Temperature Stability
2
%



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