FSL137H Fairchild Semiconductor, FSL137H Datasheet - Page 6

• Manufacturer Part Number: FSL137H
• Description: The highly integrated FSL137H consists of an integrated current mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V SenseFET
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FSL137H Rev. 1.0.3
Electrical Characteristics
V
V
Feedback Input Section
Current-Sense Section
I
I
Over-Temperature Protection Section (OTP)
Notes:
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
at V
at V
=15V, T
Section
V
Symbol
FB-OPEN
t
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
A
=25°C unless otherwise specified.
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
Period during Soft Startup Time
Protection Junction Temperature
PWM Frequency
Parameter
f
f
OSC
OSC-G
Parameter
(Continued)
V
Figure 4. V
FB-ZDC
V
FB-G
(11)
(11,13)
FB
vs. PWM Frequency
6
V
V
Conditions
Conditions
IN
IN
V
= 1.2V
= 3.6V
FB-N
Min.
0.74
0.64
4.5
Min.
0.98
0.65
4.9
0.2
4.4
2.3
1.9
50
5
V
FB
Typ.
0.84
0.74
142
5.0
V
Typ.
1/4.0
1.03
0.70
100
FB-N
5.2
0.3
9.5
4.6
2.5
0.1
2.1
56
-
Max.
0.94
0.84
5.5
Max.
1.08
0.75
5.5
0.4
4.8
2.7
2.3
59
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Unit
ms
°C
A
A
Unit
V/V
kΩ
ms
µs
V
V
V
V
V
V
V
V
V