FAN7621B Fairchild Semiconductor, FAN7621B Datasheet - Page 6

• Manufacturer Part Number: FAN7621B
• Description: The FAN7621B is a pulse frequency modulation controller for high-efficiency half-bridge resonant converters
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN7621B • Rev. 1.0.1
Electrical Characteristics
T
Note:
2.
Protection Section
Dead-Time Control Section
A
=25°C and LV
Symbol
V
These parameters, although guaranteed, are not tested in production.
V
V
V
V
t
I
T
PRSET
AOCP
t
t
I
OLP
BAO
D
OCP
OLP
OVP
BO
DA
SU
SD
T
OLP Delay Current
OLP Protection Voltage
LV
AOCP Threshold Voltage
AOCP Blanking Time
OCP Threshold Voltage
OCP Blanking Time
Delay Time (Low-Side) Detecting from
V
Thermal Shutdown Temperature
Protection Latch Sustain LV
Current
Protection Latch Reset LV
Voltage
Dead Time
CC
AOCP
CC
=17V unless otherwise specified.
Over-Voltage Protection
to Switch Off
Parameter
(2)
(2)
(Continued)
CC
CC
Supply
Supply
(2)
V
V
LV
LV
CON
CON
6
CC
CC
Test Conditions
=4V
=7.5V
> 3.5V
> 21V
-0.64
Min.
-1.0
110
3.8
4.5
1.0
21
5
-0.58
Typ.
-0.9
250
130
100
350
5.0
5.0
1.5
23
50
Max.
-0.52
-0.8
400
150
150
6.2
5.5
2.0
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25
Unit
μA
μA
ns
μs
ns
°C
ns
V
V
V
V
V