参数资料
| 型号： | FSL126MR |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | IC PWM/SEMSEFET SMPS 2A 8-DIP |
| 标准包装： | 50 |
| 系列： | FPS™ |
| 输出隔离： | 隔离 |
| 频率范围： | 61kHz ~ 73kHz |
| 输入电压： | 9 V ~ 26 V |
| 输出电压： | 650V |
| 功率（瓦特）： | 21W |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-DIP |
| 包装： | 管件 |
Electrical Characteristics
T A = 25 ° C unless otherwise specified.
Symbol
Parameter
Conditions
Min. Typ. Max. Units
SenseFET Section
BV DSS
I DSS
Drain-Source Breakdown Voltage
Zero Gate Voltage Drain Current
V CC = 0V, I D = 250μA
V DS = 650V, V GS = 0V
650
250
V
μA
R DS(ON)
C ISS
C OSS
C RSS
t d(ON)
t r
t d(OFF)
t f
Drain-Source On-State Resistance
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Turn-On Delay
Rise Time
Turn-Off Delay
Fall Time
V GS = 10V, V GS = 0V, T C = 25°C
V GS = 0V, V DS = 25V, f = 1MHz
V GS = 0V, V DS = 25V, f = 1MHz
V GS = 0V, V DS = 25V, f = 1MHz
V DD = 350V, I D = 2A
V DD = 350V, I D = 2A
V DD = 350V, I D = 2A
V DD = 350V, I D = 2A
4.9
210
33.3
4.1
23
16.4
17.2
23
6.2
?
pF
pF
pF
ns
ns
ns
ns
Control Section
f OSC
? f OSC
Switching Frequency
Switching Frequency Variation
V DS = 650V, V GS = 0V
V GS = 10V, V GS = 0V, T C = 125°C
61
67
±5
73
±10
KHz
%
f FM
Frequency Modulation
±3
KHz
D MAX
D MIN
V START
V STOP
I FB
t S/S
Maximum Duty Cycle
Minimum Duty Cycle
UVLO Threshold Voltage
Feedback Source Current
Internal Soft-Start Time
V FB = 4V
V FB = 0V
After Turn-On
V FB = 0V
V FB = 4V
71
0
11
7
320
10
77
0
12
8
400
15
83
0
13
9
480
20
%
%
V
V
μA
ms
Burst Mode Section
V BURH
0.48
0.60
0.72
V
V BURL
Burst Mode Voltage
T J = 25°C
0.32
0.45
0.58
V
V BUR(HYS)
Protection Section
150
mV
I LIM
Peak Current Limit
T J = 25°C, di/dt = 300mA/μs
1.32
1.50
1.68
A
t CLD
Current Limit Delay Time (11)
200
ns
V SD
I DELAY
V OVP
t OSP
V OSP
t OSP_FB
V AOCP
Shutdown Feedback Voltage
Shutdown Delay Current
Over-Voltage Protection Threshold
Threshold Time
Output-Short Threshold Feedback
Protection (11) Voltage
Feedback Blanking
Time
AOCP Voltage (11)
V CC = 15V
V FB = 5V
V FB = 2V
T J = 25°C
OSP Triggered When t ON <t OSP ,
V FB >V OSP and Lasts Longer than
t OSP_FB
T J = 25°C
5.5
3.5
22.5
1.44
2.0
0.85
6.0
5.0
24.0
1.00
1.60
2.5
1.00
6.5
6.5
25.5
1.35
1.15
V
μA
V
μs
V
μs
V
TSD
HYS TSD
Thermal
Shutdown (11)
Shutdown Temperature
Hysteresis
125
137
60
150
°C
°C
Leading-Edge Blanking Time
t LEB
(11)
300
ns
Continued on the following page…
? 2010 Fairchild Semiconductor Corporation
FSL126MR ? Rev. 1.0.1
5
www.fairchildsemi.com
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