FSL127H Fairchild Semiconductor, FSL127H Datasheet - Page 6

• Manufacturer Part Number: FSL127H
• Description: The highly integrated FSL127H consists of a current mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V SenseFET
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FSL127H • Rev. 1.0.2
Electrical Characteristics
V
V
Feedback Input Section
Current-Sense Section
Over-Temperature Protection Section (OTP)
Notes:
I
I
11. These parameters, although guaranteed, are not 100% tested in production.
12. Pulse test: pulse width ≤ 300μs, duty ≤ 2%.
13. When activated, the output is disabled and the latch is turned off.
LIM
LIM
DD
IN
Symbol
V
V
V
V
=15V and T
Section
V
FB-OPEN
t
Symbol
at V
at V
V
V
V
V
FB-ZDC
t
FB-OLP
D-OLP
Z
IN-ON
IN-RL
IN-H
A
FB-N
FB-G
IN-H
IN-L
T
FB
V
t
OTP
SS
IN
IN
= 1.2V Peak Current Limit
= 3.6V Peak Current Limit
PWM Turn-on Threshold Voltage
Release Latch Voltage
Pull HIGH Latch Trigger Level
Pull HIGH Latch Debounce Time
Pull LOW Auto Recovery Trigger Level
FB Voltage to Current-Sense Attenuation
Input Impedance
Output High Voltage
FB Open-Loop Trigger Level
Delay Time of FB Pin Open-loop
Protection
Green-Mode Entry FB Voltage
Green-Mode Ending FB Voltage
Zero Duty Cycle FB Voltage
A
=25°C unless otherwise specified.
Period During Soft-Start Time
Protection Junction Temperature
PWM Frequency
Parameter
f
f
OSC
OSC-G
Parameter
(Continued)
V
FB-ZDC
Figure 4. V
V
FB-G
(11)
(11,13)
FB
6
vs. PWM Frequency
V
V
Conditions
IN
IN
Conditions
V
= 1.2V
= 3.6V
FB-N
Min.
Min.
0.98
0.60
0.51
0.44
4.4
0.2
4.4
2.3
1.9
4.5
50
5
V
FB
V
Typ.
1/4.0
Typ.
1.03
0.70
120
0.61
0.54
FB-N
142
4.7
0.3
9.5
4.6
2.5
0.1
2.1
5.0
56
-
Max.
Max.
1.08
0.80
0.71
0.64
5.0
0.4
4.8
2.7
2.3
5.5
59
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Unit
Unit
V/V
ms
kΩ
ms
°C
µs
A
A
V
V
V
V
V
V
V
V
V