FAN7601 Fairchild Semiconductor, FAN7601 Datasheet - Page 4

• Manufacturer Part Number: FAN7601
• Description: The FAN7601 is a green programmable frequency current mode PWM controller
• Manufacturer: Fairchild Semiconductor

FAN7601
Electrical Characteristics
(T
Note:
1. These parameters, although guaranteed, are not 100% tested in production.
2. It is recommended to connect 1MΩ resistor between the Latch/SS pin and GND to prevent abnormal operation of the latch
4
Characteristics
REFERENCE SECTION
Reference Output Voltage
Line Regulation
Load Regulation
OSCILLATOR SECTION
Initial Accuracy
Voltage Stability
Amplitude
PWM SECTION
CS/FB Threshold Voltage1
Maximum Duty Cycle
Minimum Duty Cycle
BURST MODE SECTION
CS/FB Threshold Voltage2
CS/FB Threshold Voltage3
SOFT START SECTION
Soft Start Current
Soft Start Limit Voltage
PROTECTION SECTION
Latch Voltage
Over Voltage Protection
UVLO SECTION
Start Threshold Voltage
Minimum Operating Voltage
TOTAL CURRENT SECTION
Operating Supply Current
OUTPUT SECTION
Low Output Voltage
High Output Voltage
Rising Time
Falling Time
START UP SECTION
VSTR Start-up Current
a
protection by noise coupling.
= -25°C ~ 125°C, Vcc = 14V, Rt = 9.5kΩ, Ct = 2.2nF unless otherwise specified)
(1)
(1)
(2)
(1)
(1)
V
V
V
Symbol
V
∆V
∆V
D
F
V
V
CS/FB1
CS/FB2
CS/FB3
D
LATCH
V
ST
V
V
V
V
I
I
OSC
V
OCS
MAX
OVP
I
OP
MIN
SS
T
T
OH
str
OL
ref
SL
ref1
ref2
tH
tL
r
f
V
I
V
I
V
V
Ta = 25°C
V
I
Ta =25°C, I
Ta =25°C, I
Ta =25°C, CI = 1nF
Ta =25°C, CI = 1nF
V
O
O
SS
CC
CC
pin4 peak-to-peak
pin3
str
= 1mA
= 1mA ~ 10mA
= 1µA
= 30V, Ta =25°C
= 10V ~ 18V
= 10V ~ 18V
= GND
Conditions
O
O
-
-
-
-
-
-
-
-
-
-
= 100mA
= -100mA
Min.
4.85
0.77
2.25
11.5
0.9
0.7
1.2
0.5
90
92
18
11
9
7
-
-
-
-
-
-
-
-
-
Typ.
5.00
1.25
0.97
100
1.0
1.0
0.9
1.5
2.5
10
20
95
12
19
12
12
45
35
8
3
2
1
-
Max.
5.15
1.17
2.75
150
150
110
1.5
1.1
1.1
1.8
2.5
1.5
20
30
98
15
20
13
14
0
9
4
-
Unit
kHz
mV
mV
mA
mA
µA
ns
ns
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V