FAN7602B Fairchild Semiconductor, FAN7602B Datasheet - Page 5

• Manufacturer Part Number: FAN7602B
• Description: The FAN7602B is a green current-mode PWM controller
• Manufacturer: Fairchild Semiconductor

FAN7602B Rev. 1.0.0
© 2007 Fairchild Semiconductor Corporation
Electrical Characteristics
V
Note:
1. These parameters, although guaranteed by design, are not tested in production.
POWER LIMIT SECTION
START UP SECTION
UNDER VOLTAGE LOCK OUT SECTION
SUPPLY CURRENT SECTION
SOFT-START SECTION
PWM SECTION
BURST MODE SECTION
OUTPUT SECTION
PROTECTION SECTION
CC
Symbol
V
V
HY(uvlo)
V
V
V
V
V
t
OLP_ST
K
V
th
th
D
V
V
LUVPoff
LUVPon
CS/FB1
D
CS/FB2
CS/FB3
f
I
I
V
t
V
= 14V, T
I
t
OSC
STR
(start)
(stop)
STR
Plimit
Latch
OLP
MAX
OVP
CC
t
t
OLP
SS
MIN
t
OH
OL
D
R
F
A
V
Start Threshold Voltage
Stop Threshold Voltage
UVLO Hysteresis
Start-up Supply Current
Operating Supply Current
Soft-Start Time
Operating Frequency
CS/FB Threshold Voltage
Propagation Delay to Output
Maximum Duty Cycle
Minimum Duty Cycle
Burst On Threshold Voltage
Burst Off Threshold Voltage
Offset Gain
Output Voltage High
Output Voltage Low
Rising Time
Falling Time
Latch Voltage
Overload Protection Time
Overload Protection Time at Start-
up
Overload Protection Level
Line Under-Voltage Protection On
to Off
Line Under-Voltage Protection Off
to On
Over-Voltage Protection
= -25°C~125°C, unless otherwise specified
STR
Start-up Current
Parameter
(1)
(1)
(1)
(1)
(1)
V
V
V
T
Output no switching
V
T
T
T
V
T
T
T
T
T
T
T
A
A
A
A
A
A
A
A
A
A
A
STR
CC
CC
CS/FB
Latch/Plimit
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C, I
= 25°C, I
= 25°C, C
= 25°C, C
= 25°C
= 25°C
= 25°C
increasing
decreasing
= 30V, T
5
= 0.2V, T
Condition
= 2V, T
source
sink
L
L
A
= 1nF
= 1nF
= 25°C
= 100mA
A
= 100mA
= 25°C
A
= 25°C
Min.
0.84
0.77
0.12
11.5
0.7
3.6
0.9
3.6
1.9
1.4
59
70
20
30
18
11
7
5
Typ.
0.95
0.88
0.16
12.0
250
100
1.0
4.0
1.0
1.0
1.0
4.0
2.0
1.5
12
10
65
75
45
35
22
37
19
8
0
Max.
1.06
0.99
0.20
14.0
320
150
150
150
4.4
0.1
1.4
1.5
1.1
2.5
4.4
2.1
1.6
13
15
73
80
24
44
20
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9
0
Unit
kHz
mA
mA
ms
ms
ms
μA
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V