FSBH0F70A Fairchild Semiconductor, FSBH0F70A Datasheet - Page 8

• Manufacturer Part Number: FSBH0F70A
• Description: Fsbh0f70a, Fsbh0170/a, Fsbh0270/a, Fsbh0370 Green Mode Fairchild Power Switch Fps?
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FSBH0F70A, FSBH0170/A, FSBH0270/A, FSBH0370 • Rev. 1.0.0
Electrical Characteristics
V
Current-Sense Section
Constant Power Limit (FSBH0170, FSBH0270, FSBH0370)
Current Limit (FSBH0F70A, FSBH0170A, FSBH0270A)
Over-Temperature Protection Section (OTP)
Notes:
9.
10. Pulse test: Pulse width ≤ 300μs, duty ≤ 2%.
11. When activated, the output is disabled and the latch is turned off.
12. The threshold temperature for enabling the output and resetting the latch after over-temperature protection has
13. These parameters, although guaranteed, are tested in wafer process.
DD
Symbol
V
T
V
V
t
=15V and T
V
T
FB-OLP
D-OLP
Restart
I
These parameters, although guaranteed, are not 100% tested in production.
been activated.
t
Limit1
Limit2
LIM
Limit
OTP
SS
FB Open-loop
Trigger Level
FB Open-Loop Protection Delay
Peak Current Limit
Period During Soft-Start Time
Threshold Voltage 1 for Current Limit
Threshold Voltage 2 for Current Limit
Threshold Voltage for Current Limit
Protection Junction Temperature
Restart Junction Temperature
A
=25°C unless otherwise specified.
(13)
PWM Frequency
Parameter
f
f
OSC
OSC-G
(Continued)
FSBH0F70A
FSBH0x70/A
FSBH0F70
FSBH0170
FSBH0270
FSBH0370
V
Figure 5. V
FB-ZDC
(9)
(9, 12)
V
(9, 11)
FB-G
FB
vs. PWM Frequency
V
V
V
V
V
V
FSBH0F70A
FSBH0170A/0270A
8
IN
IN
IN
IN
IN
IN
=1.2V
=1.2V
=1.2V
=1.2V
=1.2V
=3.6V
Condition
V
FB-N
Min.
0.73
0.56
0.97
0.77
135
5.3
4.4
0.5
0.7
0.9
1.1
4.5
50
V
FB
T
Typ.
OTP
0.80
0.63
1.00
0.80
142
5.4
4.6
0.6
0.8
1.0
1.2
5.0
56
-25
Max.
0.87
0.70
0.83
1.03
150
5.5
4.8
0.7
0.9
1.1
1.3
5.5
59
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Unit
ms
ms
°C
°C
V
V
V
A
V
V