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CM6800AGIP Scheda tecnica(PDF) 5 Page - Champion Microelectronic Corp.

Il numero della parte CM6800AGIP
Spiegazioni elettronici  LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
PDF  18 Pages
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Produttore elettronici  CHAMP [Champion Microelectronic Corp.]
Homepage  http://www.champion-micro.com
Logo CHAMP - Champion Microelectronic Corp.

CM6800AGIP Scheda tecnica(HTML) 5 Page - Champion Microelectronic Corp.

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CM6800A
LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
2006/10/11 Rev. 1.3
Champion Microelectronic Corporation
Page 5
ELECTRICAL CHARACTERISTICS (Conti.) Unless otherwise stated, these specifications apply
Vcc=+15V, RT =30.16kΩ, CT = 1000pF, TA=Operating Temperature Range (Note 1)
CM6800A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Sink Current
ISENSE = +0.6V, IEAO = 4.0V
-65
-35
μ A
Source Current
ISENSE = -0.6V, IEAO = 1.5V
35
75
μ A
Open Loop Gain
60
70
dB
Power Supply Rejection Ratio
11V < VCC < 16.5V
60
75
dB
PFC OVP Comparator
Threshold Voltage
2.70
2.77
2.85
V
Hysteresis
230
300
mV
Low Power Detect Comparator
Threshold Voltage
0.2
0.3
0.4
V
VCC OVP Comparator
Threshold Voltage
17.5
17.9
18.5
V
Hysteresis
1.40
1.5
1.65
V
Tri-Fault Detect
Fault Detect HIGH
2.65
2.75
2.85
V
Time to Fault Detect HIGH
VFB=VFAULT DETECT LOW to
VFB=OPEN.470pF from VFB to GND
2
4
ms
Fault Detect LOW
0.4
0.5
0.6
V
PFC ILIMIT Comparator
Threshold Voltage
-1.10
-1.00
-0.90
V
(PFC ILIMIT VTH – Gain Modulator
Output)
20
100
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
OK Threshold Voltage
2.16
2.25
2.36
V
Hysteresis
0.9
1.1
1.3
V
GAIN Modulator
IAC = 100
μ A, V
RMS =0, VFB = 1V
at room temp
0.70
0.84
0.95
IAC = 100
μ A, V
RMS = 1.1V, VFB = 1V
at room temp
1.80
2.00
2.20
IAC = 150
μ A, V
RMS = 1.8V, VFB = 1V
at room temp
0.90
1.00
1.10
Gain (Note 3)
IAC = 300
μ A, V
RMS = 3.3V, VFB = 1V
at room temp
0.25
0.32
0.40
Bandwidth
IAC = 100
μ A
10
MHz
Output Voltage =
3.5K*(ISENSE-IOFFSET)
IAC = 250
μ A, V
RMS = 1.1V, VFB = 1V
0.84
0.90
0.95
V



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