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MC44604 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. MC44604
Description  High Safety Pulsed Mode Standby GreenLine TM PWM Controller
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC44604 Datasheet(HTML) 4 Page - ON Semiconductor

 
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MC44604
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ELECTRICAL CHARACTERISTICS (VCC and VC = 12 V [Note 6], Rref = 10 kW, CT = 820 pF, for typical values TA = 25°C,
for min/max values TA = −25° to +85°C [Note 7], unless otherwise noted.)
Characteristic
Pin #
Symbol
Min
Typ
Max
Unit
ERROR AMPLIFIER SECTION (continued)
Output Current
13
mA
Sink (VE/A out = 1.5 V, VFB = 2.7 V)
TA = −25° to +85°C
ISink
2.0
12
Source (VE/A out = 5.0 V, VFB = 2.3 V)
TA = −25° to +85°C
ISource
−2.0
−0.2
Output Voltage Swing
13
V
High State (IE/A out (source) = 0.5 mA, VFB = 2.3 V)
VOH
5.5
6.5
7.5
Low State (IE/A out (sink) = 0.33 mA, VFB = 2.7 V)
VOL
1.0
1.1
REFERENCE SECTION
Reference Output Voltage (VCC = 10 V to 15 V)
16
Vref
2.4
2.5
2.6
V
Reference Current Range (Iref = Vref/Rref, R = 5.0 k to 25 kW)
16
Iref
−500
−100
mA
Reference Voltage Over Iref Range
DVref
−40
40
mV
OSCILLATOR SECTION
Frequency
FOSC
kHz
TA = 0° to +70°C
40.5
46
48.5
TA = −25° to +85°C
40
49
Frequency Change with Voltage (VCC = 10 V to 15 V)
DFOSC/DV
0.05
%/V
Frequency Change with Temperature (TA = −25° to +85°C)
DFOSC/DT
0.05
%/
°C
Oscillator Voltage Swing (Peak−to−Peak)
10
VOSC(P−P)
2.0
V
Ratio Charge Current/Reference Current (TA = −25° to +85°C)
Icharge/Iref
0.35
0.43
Fixed Maximum Duty Cycle = Idischarge/(Idischarge + Icharge)
D
78
80
82
%
UNDERVOLTAGE LOCKOUT SECTION
Startup Threshold
1
Vstup−th
13.6
14.5
15.4
V
Disable Voltage After Threshold Turn−On
1
Vdisable1
V
TA = 0° to +70°C
8.6
9.0
9.4
TA = −25° to +85°C
8.3
9.6
Disable Voltage After Threshold Turn−On
1
Vdisable2
7.0
7.5
8.0
V
Delta VCC During Standby (Vstup−th −Vdisable2)
(TA = −25°C to 85°C)
1
Vstup−th
−Vdisable2
1.8
2.0
2.2
V
DEMAGNETIZATION DETECTION SECTION
Demagnetization Detect Input
8
Demagnetization Comparator Threshold (Vpin8 Decreasing)
Vdemag−th
50
65
80
mV
Propagation Delay (Input to Output, Low to High)
0.25
ms
Input Bias Current (Vdemag = 65 mV)
Idemag−lb
−0.5
mA
Negative Clamp Level (Idemag = −2.0 mA)
CL(neg)
−0.38
V
Positive Clamp Level (Idemag = +2.0 mA)
CL(pos)
0.72
V
SOFT−START SECTION
Ratio Charge Current/Iref
Iss(ch)/Iref
TA = 0° to +70°C
0.37
0.4
0.43
TA = −25° to +85°C
0.36
0.44
Discharge Current (Vsoft−start = 1.0 V)
11
Idischarge
1.5
5.0
mA
Clamp Level
Vss(CL)
2.2
2.4
2.6
V
Duty Cycle (Rsoft−start = 12 kW)
Duty Cycle (Vsoft−start (pin11) = 0.1 V)
Dsoft−start 12k
Dsoft−start
36
42
49
0
%
6. Adjust VCC above the startup threshold before setting to 12 V.
7. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.


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