参数资料
型号: FSDL321
厂商: Fairchild Semiconductor
文件页数: 6/20页
文件大小: 0K
描述: IC SWIT PWM GREEN CM OVP HV 8DIP
产品变化通告: Passivation Layer Change 07/Dec/2007
标准包装: 50
输出隔离: 隔离
频率范围: 45kHz ~ 55kHz
输入电压: 8 V ~ 20 V
输出电压: 650V
功率(瓦特): 17W
工作温度: 25°C ~ 140°C
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-DIP
其它名称: FSDL321_NL
FSDL321_NL-ND
FSDH321, FSDL321
Electrical Characteristics (Control Part) (Continued)
(Ta=25 ° C unless otherwise specified)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
UVLO SECTION
Start Threshold Voltage
Stop Threshold Voltage
V START
V STOP
V FB =GND
V FB =GND
11
7
12
8
13
9
V
V
OSCILLATOR SECTION
Initial Accuracy
Frequency Modulation
Initial Accuracy
Frequency Modulation
Frequency Change With Temperature (2)
Maximum Duty Cycle
F OSC
F MOD
F OSC
F MOD
? F/ ? T
Dmax
FSDH321
FSDL321
-25 ° C ≤ Ta ≤ +85 ° C
FSDH321
FSDL321
90
± 2.5
45
± 1.0
-
62
71
100
± 3
50
± 1.5
± 5
67
77
110
± 3.5
55
± 2.0
± 10
72
83
kHz
kHz
%
%
%
FEEDBACK SECTION
Feedback Source Current
Shutdown Feedback Voltage
Shutdown Delay Current
I FB
V SD
I DELAY
Ta=25 ° C, Vfb = 0V
Ta=25 ° C, Vfb = 4V
0.70
5.5
3.5
0.90
6.0
5.0
1.1
6.5
6.5
mA
V
μ A
BURST MODE SECTION
V BURH
0.4
0.5
0.6
V
Burst Mode Voltage
V BURL
Hysteresis
Tj = 25 ° C
0.25
-
0.35
150
0.45
-
V
mV
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit (3)
Current Limit Delay (1)
I LIM
T CLD
Tj = 25 ° C
Tj = 25 ° C
0.60
-
0.70
600
0.80
-
A
ns
SOFT START SECTION
Soft Start Time
T SS
Vfb = 4V
10
15
20
ms
PROTECTION SECTION
Thermal Shutdown Temperature (1)
Over Voltage Protection
T SD
V OVP
-
125
18
145
19
-
20
° C
V
TOTAL STANDBY CURRENT SECTION
Startup Charging Current
Operating Supply Current
(Control Part Only)
I CH
I OP
V CC =0V
V CC = 14V, Vfb = 0V
0.7
1
0.85
3
1.0
5
mA
mA
Note:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS (wafer test) process
3. di/dt = 250mA/uS
6
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