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Electrical Characteristics (Continued)
Unless otherwise specified, V DD =10~25 V, T A =-40°C ~125°C (T A =T J ).
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
DET Pin OVP and Valley Detection Section
V DET-OVP
Comparator Reference Voltage
2.45
2.50
2.55
V
Open-Loop Gain
Gain Bandwidth
Av
Bw
V V-HIGH
V V-LOW
(3)
(3)
Output High Voltage
Output Low Voltage
4.5
60
1
0.5
dB
MHz
V
V
t DET-OVP
I DET-SOURCE
V DET-HIGH
Output OVP (Latched) Debounce Time
Maximum Source Current
Upper Clamp Voltage
V DET =0 V
I DET =-1 mA
100
150
200
1
5
μs
mA
V
V DET-LOW
t VALLEY-DELAY
t OFF-BNK
t TIME-OUT
Lower Clamp Voltage
Delay Time from Valley Signal Detected to
Output Turn-On (3)
Leading-Edge-Blanking Time for DET
when PWM MOS Turns Off (3)
Time-Out After t OFF-MIN
I DET =1 mA
0.1
0.3
200
4
9
V
ns
μs
μs
Oscillator Section
t ON-MAX
t OFF-MIN
V N
V G
? V FBG
Maximum On-Time
Minimum Off-Time
Beginning of Green-On Mode at FB
Voltage Level
Beginning of Green-Off Mode at FB
Voltage Level
Green-Off Mode V FB Hysteresis Voltage
V FB ≧ V N,
V FB =V G
38
1.95
1.0
0.05
45
8
38
2.10
1.2
0.10
54
2.25
1.4
0.20
μs
μs
V
V
V
t STARTER
Start Timer (Time-Out Timer)
V FB <V G
V FB >V FB-OLP
1.8
25
2.1
30
2.4
45
ms
μs
Output Section
V OL
V OH
Output Voltage Low
Output Voltage High
V DD =15 V,
I O =150 mA
V DD =12 V,
I O =150 mA
7.5
1.5
V
V
t R
t F
Rising Time
Falling Time
145
55
200
120
ns
ns
V CLAMP
Gate Output Clamping Voltage
16.7
18.0
19.3
V
Continued on the following page…
? 2010 Fairchild Semiconductor Corporation
FL6300A ? Rev. 1.0.2
6
www.fairchildsemi.com
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