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| FAN302UL Datasheet, PDF (5/19 Pages) Fairchild Semiconductor – PWM Controller for Low Standby Power Battery-Charger Applications | |||
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Electrical Characteristics
VDD=15V and TA=25°C unless noted.
Symbol
Parameter
HV Section
VHV-MIN Minimum Startup Voltage on HV Pin
IHV Supply Current Drawn from HV Pin
IHV-LC Leakage Current Drawn from HV Pin
VDD Section
VDD-ON Turn-On Threshold Voltage
VDD-OFF Turn-Off Threshold Voltage
VDD-LH Threshold Voltage for Latch-Off Release
IDD-ST Startup Current
IDD-OP Operating Supply Current
IDD-BURST Burst-Mode Operating Supply Current
VDD-OVP VDD Over-Voltage Protection Level
tD-VDDOVP VDD Over-Voltage Protection Debounce Time
Oscillator Section
fOSC Frequency
Center Frequency
Hopping Range
fOSC-CM-MIN
Minimum Frequency by Continuous Conduction
Mode (CCM) Prevention Circuit(4)
fOSC-CCM Minimum Frequency in (CC) Regulation
Feedback Input Section
AV Internal Voltage Scale-Down Ratio of FB Pin(5)
ZFB FB Pin Input Impedance
VFB-OPEN FB Pin Pull-Up Voltage
VFB-L FB Threshold to Disable Gate Drive in Burst Mode
VFB-H FB Threshold to Enable Gate Drive in Burst Mode
Over-Temperature Protection Section
TOTP
Threshold Temperature for Over-Temperature
Protection(6)
Condition
Min. Typ. Max. Unit
VHV=100V, VDD=0V,
Controller Off
VHV=500V, VDD=15V
(Controller On with
Auxiliary Supply)
50 V
0.8 1.5 5.0 mA
0.8 3.0 μA
VDD Rising
VDD Falling
VDD Falling
VDD=VDD-ON â 0.16V
VDD=18V, f=fOSC, CL=1nF
VDD=8V, CL=1nF
f=140kHz
15 16 17 V
4.7 5.0 5.3 V
2.50
V
400 450 μA
3.5 4.0 mA
200 350 μA
25.0 26.5 28.0 V
100 180 μs
VCS=5V, VS=2.5, VFB=5V
VCS=5V, VS=0V
135 140 145
kHz
±5
17 22 27 kHz
40 45 50 kHz
1/3.5 1/3.0 1/2.5 V/V
38 42 44 kâ¦
FB Pin Open
5.3
V
VFB Falling,VCS=5V, VS=0V 1.0 1.1 1.2 V
VFB Rising,VCS=5V, VS=0V 1.05 1.15 1.25 V
+130 +140 +150 °C
Continued on the following pageâ¦
© 2011 Fairchild Semiconductor Corporation
FAN302UL ⢠Rev. 1.0.3
5
www.fairchildsemi.com
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