FAN6861 Datasheet, PDF (7/15 Pages) Fairchild Semiconductor – Low-Cost, Highly Integrated, Green-Mode PWM Controller for Peak Power Management

Electrical Characteristics (Continued)
VDD = 15V and TA = 25°C, unless otherwise noted.
Symbol
Parameter
PWM Output Section
DCYMAX
VOL
VOH
tR
tF
VCLAMP
Maximum Duty Cycle
Output Voltage LOW
Output Voltage HIGH
Rising Time
Falling Time
Gate Output Clamping Voltage
Over-Temperature Protection (OTP) Section
IRT
VRTO
VOTP1
Output Current of RT Pin
RT Pin Open Voltage
Threshold Voltage for Over-Temperature
Protection
tDOTP-LATCH Over-Temperature Latch-Off Debounce
VOTP2
tDOTP2-LATCH
Second Threshold Voltage for Over-
Temperature Protection
Second Over-Temperature Latch-Off
Debounce
Test Condition Min. Typ. Max. Unit
65
70
75
%
VDD = 15V, IO = 50mA
1.5
V
VDD = 12V, IO = 50mA 8
V
GATE = 1nF
230
ns
GATE = 1nF
30
ns
VDD = 20V
15.00 16.75 18.50 V
VFB = VFB-N
VFB = VFB-G
90
99
108 μA
3.7
V
0.92 1.00 1.08 V
15
17
19
ms
40
51
62
0.65 0.70 0.75 V
50
100 150
μs
© 2009 Fairchild Semiconductor Corporation
FAN6861 • Rev. 1.0.1
7
www.fairchildsemi.com