参数资料
型号: FAN7601BGX
厂商: Fairchild Semiconductor
文件页数: 4/8页
文件大小: 0K
描述: IC PWM CTLR CURRENT MODE 10SSOP
标准包装: 1
频率范围: 90kHz ~ 110kHz
输入电压: 9 V ~ 20 V
工作温度: -40°C ~ 85°C
封装/外壳: 10-SOP(0.154",3.90mm 宽)
供应商设备封装: 10-SSOP
包装: 标准包装
其它名称: FAN7601BGXDKR
Electrical Characteristics
T A =-25 ? C~125 ? C, V CC =14 V, R T =9.5 k ? , C T =2.2 nF unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Reference Section
V REF
? V REF1
? V REF2
Reference Output Voltage
Line Regulation
Load Regulation
I O =1 mA
V CC =10 V~18 V
I O =1 mA ~ 10 mA
4.85
5.00
10
20
5.15
20
30
V
mV
mV
Oscillator Section
f OSC
ST V
V OSC
Initial Accuracy
Voltage Stability
Amplitude
V CC =10 V~18 V
V pin4 peak-to-peak
90
100
1.0
1.25
110
1.5
kHz
%
V
PWM Section
V CS/FB1
CS/FB Threshold Voltage1
0.9
1.0
1.1
V
D MAX
Maximum Duty Cycle
T A =25°C
92
95
98
%
D MIN
Minimum Duty Cycle
0
%
Burst Mode Section
CS/FB Threshold Voltage3
V CS/FB2
V CS/FB3
CS/FB Threshold Voltage2 (1)
( 1 )
0.77
0.7
0.97
0.9
1.17
1.1
V
V
Soft-Start Section
Soft-Start Limit Voltage
I SS
V SL
Soft-Start Current
V pin3 =GND
I SS =1 ? A
9
1.2
12
1.5
15
1.8
? A
V
Protection Section
V LATCH
V OVP
Latch Voltage
Over-Voltage Protection
2.25
18
2.50
19
2.75
20
V
V
UVLO Section
V tH
V tL
Start Threshold Voltage
Minimum Operating Voltage
11
7
12
8
13
9
V
V
Total Curren t Section
I OP
Operating Supply Current
3
4
mA
Output Section
V OL
Low Output Voltage
T A =25 ? C, I O =100 mA
2.0
2.5
V
Rising Time
V OH
t r
t f
High Output Voltage
Falling Time (1)
T A =25 ? C, I O =-100 mA
T A =25 ? C, C I =1 nF
T A =25 ? C, C I =1 nF
11.5
12.0
45
35
14.0
150
150
V
ns
ns
Startup Section
I str
V STR Startup Current
V STR =30V, T A =25°C
0.5
1.0
1.5
mA
Notes:
1.
2.
These parameters, although guaranteed, are not 100% tested in production.
It is recommended to connect a 1 M ?? resistor between the Latch/SS pin and GND to prevent abnormal operation
of the latch protection by noise coupling.
? 2008 Fairchild Semiconductor Corporation
FAN7601B ? Rev.1.0.4
4
www.fairchildsemi.com
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