参数资料
| 型号： | FSQ311L |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 7/21页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH FPS LOW EMI HE 8-LSOP |
| 标准包装： | 50 |
| 输出隔离： | 隔离 |
| 输入电压： | 9 V ~ 20 V |
| 输出电压： | 650V |
| 功率（瓦特）： | 10W |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SMD，鸥翼型 |
| 供应商设备封装： | 8-LSOP |
| 包装： | 管件 |
Electrical Characteristics (Continued)
T A =25 ? C unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Control Section
t ON.MAX1
Maximum On Time1
All but
FSQ321
T J =25°C
10.5
12.0
13.5
μs
t ON.MAX2
t B1
t B2
t W
Maximum On Time2
Blanking Time1
Blanking Time2
Detection Time Window
FSQ321 T J =25°C
All but
FSQ321
FSQ321
T J =25°C, V sync =0V
6.35
13.2
7.5
7.06
15.0
8.2
3.0
7.77
16.8
μs
μs
μs
μs
Switching Frequency Variation
? f S
(14)
-25 ? C < T J < 85 ? C
±5
±10
%
I FB
D MIN
V START
V STOP
t S/S1
t S/S2
Feedback Source Current
Minimum Duty Cycle
UVLO Threshold Voltage
Internal Soft-Start Time 1
Internal Soft-Start Time 2
V FB =0V
V FB =0V
After Turn-on
All but With Free-Running
FSQ321 Frequency
With Free-Running
FSQ321
Frequency
700
11
7
900
12
8
15
10
1100
0
13
9
μA
%
V
V
ms
ms
Protection Section
FSQ0365
T J =25°C, di/dt=240mA/μs
1.32
1.50
1.68
I LIM
Peak Current Limit
FSQ0265
FSQ0165
T J =25°C, di/dt=200mA/μs
T J =25°C, di/dt=175mA/μs
1.06
0.8
1.20
0.9
1.34
1.0
A
FSQ321
T J =25°C, di/dt=125mA/μs
0.53
0.60
0.67
V SD
I DELAY
Shutdown Feedback Voltage
Shutdown Delay Current
V CC =15V
V FB =5V
5.5
4.0
6.0
5.0
6.5
6.0
V
μA
t LEB
Leading-Edge Blanking Time (13)
200
ns
V OVP
t OVP
T SD
Over-Voltage Protection
Over-Voltage Protection Blanking
Time
Thermal Shutdown Temperature (13)
V CC =15V, V FB =2V
5.5
2
125
6.0
3
140
6.5
4
155
V
μs
°C
Sync Section
V SH
V SL
t Sync
Sync Threshold Voltage
Sync Delay Time (13,14)
0.55
0.14
0.70
0.20
300
0.85
0.26
V
V
ns
Total Device Section
I OP
I START
I CH
Operating Supply Current
(Control Part Only)
Start Current
Startup Charging Current
V CC =15V
V CC =V START - 0.1V
(Before V CC Reaches V START )
V CC =0V, V STR =Minimum 40V
1
270
0.65
3
360
0.85
5
450
1.00
mA
μA
mA
V STR
Minimum V STR Supply Voltage
26
V
Notes:
11. Pulse test: Pulse-Width=300 ? s, duty=2%.
12. Propagation delay in the control IC.
13. Though guaranteed, it is not 100% tested in production.
14. Includes gate turn-on time.
? 2007 Fairchild Semiconductor Corporation
FSQ0365, FSQ0265, FSQ0165, FSQ321 ? Rev. 1.0.6
7
www.fairchildsemi.com
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