FAN7631 Fairchild Semiconductor, FAN7631 Datasheet - Page 6

• Manufacturer Part Number: FAN7631
• Description: The FAN7631 is a pulse-frequency modulation controller for high-efficiency half-bridge resonant converters that includes a high-side gate drive circuit, an accurate current-controlled oscillator, and various protection functions
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FAN7631 • 1.0.2
Electrical Characteristics
T
Output Section
Protection Section
Dead-Time Control Section
Note:
3.
A
Symbol
=25C and LV
V
I
V
V
V
V
V
V
V
V
source
t
I
This parameter, although guaranteed, is not tested in production.
I
t
T
V
I
t
AOCP
t
LINE
V
OLP
BOL
BAO
I
D
sink
HOH
OCP
LINE
HOL
LOH
OLP
BO
DA
OVP
LOL
LR
t
t
SD
LR
r
f
FI
T
Peak Sourcing Current
Peak Sinking Current
Rising Time
Falling Time
High Level of High-Side Gate Signal
(V
Low Level of High-Side Gate Signal
High Level of Low-Side Gate Signal
(V
Low Level of Low-Side Gate Signal
OLP Sink Current
OLP Threshold Voltage
OLP Blanking Time
OCP Threshold Voltage
OCP Blanking Time
AOCP Threshold Voltage
AOCP Blanking Time
Delay Time (Low Side) Detecting from
V
LV
Line UVLO Threshold Voltage
Line UVLO Hysteresis Current
Thermal Shutdown Temperature
Fault Input Threshold Voltage for Latch
Operation
Latch-Protection Sustain LV
Current
Latch-Protection Reset LV
Voltage
Dead Time
Recommended Dead Time Range
AOCP
CC
HVCC
LVCC
CC
=17V unless otherwise specified.
Over-Voltage Protection
-V
to Switch Off
-V
LO
HO
)
)
Parameter
(3)
(3)
(3)
(3)
(Continued)
CC
CC
Supply
Supply
(3)
LV
T
HV
T
HV
I
V
V
LV
R
R
Short, C
Open, C
O
J
J
LS
LS
DT
DT
=20mA
=-40C ~ 130C
=-40C ~ 130C
CC
CC
6
CC
CC
=2V
=2.7k, C
=18k, C
Sweep, -40C ~ 130C
=HV
=7.5V
=17V,
=17V, C
Load
Load
Condition
CC
=17V,
=1nF
=1nF
Load
Load
Load
=1nF
=1nF
=1nF
-0.42
-0.62
-1.21
Min.
1000
2.88
500
150
150
130
100
250
100
3.8
21
25
9
5
Typ.
-0.37
-0.56
-1.10
1000
3.00
200
200
250
140
100
150
350
4.0
40
20
50
23
50
30
10
Max.
-0.32
-0.50
-0.99
3.12
www.fairchildsemi.com
250
250
400
150
150
200
450
600
1.0
0.6
1.0
0.6
4.2
35
25
11
Unit
mA
mA
μA
μA
μA
C
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
V