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PDF FS6S Data sheet ( Hoja de datos )
| Número de pieza | FS6S | |
| Descripción | Fairchild Power Switch(FPS) | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FS6S (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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FS6S-SERIES
FS6S0965RT/FS6S1265RB
Fairchild Power Switch(FPS)
www.fairchildsemi.com
Features
• Wide Operating Frequency Range Up to 150Khz
• Lowest Cost SMPS Solution
• Lowest External Components
• Low Start up Current (max:170uA)
• Low Operating Current (max:15mA)
• Internal High Voltage SenseFET
• Built-in Auto Restart Circuit
• Over Voltage Protection (Auto Restart Mode)
• Over Load Protection (Auto Restart Mode)
• Over Current Protection With Latch Mode
• Internal Thermal Protection With Latch Mode
• Pulse By Pulse Over Current Limiting
• Internal Burst Mode Controller for Stand-by Mode
• Under Voltage Lockout With Hysteresis
• External Sync. Terminal
Application
• Monitor SMPS
Description
The Fairchild Power Switch(FPS) product family are
specially designed for an off line SMPS with minimal
external components. The Fairchild Power Switch(FPS)
consists of a high voltage power SenseFET and a current
mode PWM IC. Included PWM controller features the
integrated fixed oscillator, the under voltage lockout, the
optimized gate turn on/turn off driver, the thermal shut
down protection, the over voltage protection, and the
temperature compensated precision current sources for the
loop compensation and the fault protection circuitry.
Compared to a discrete MOSFET and a controller or a RCC
switching converter solution, a Fairchild Power Switch(FPS)
can reduce the total component count, design size, and
weight and at the same time increase efficiency,
productivity, and system reliability. It has a basic platform
well suited for the cost effective monitor power supply.
TO-220F-5L
TO-3P-5L
Internal Block Diagram
SoftStart
& Sync
Vref
5
Vpp=5.8/7.2V
Vfb
Vth=1V
OSC
Vref
Burst mode
controller
Feedback
4
Vcc
Vth=11V/12V
Ifb
Vref Vcc
2.5R
R
Idelay
Vth=7.5V
Vcc
Vth=30V
OLP
OVP
UVLO Reset
(Vcc=9V)
SQ
R
1
1
1. Drain 2. Gnd 3. VCC 4. FeedBack 5. Sync.
Internal
Bias
Vref
UVLO
S
Q
R
PWM
Vcc Drain
31
Ron
Roff
Vfb Offset
OCL Filter
(130nsec)
TS
(Tj=D160℃)
Rsenese
Vth=1V
2 GND
©2002 Fairchild Semiconductor Corporation
Rev.1.0.6
1 page  
Typical Performance Characteristics
[mA]
0.15
Istart
0.12
0.09
0.06
0.03
0.00
-25 0 25 50 75 100 125 150
Temp
Figure 1. Start Up Current vs. Temp.
[V]
16.0
Vstart
15.6
15.2
14.8
14.4
14.0
13.6
-25 0 25 50 75 100 125 150
Temp
Figure 3. Start Threshold Voltage vs. Temp.
[kHz]
26.0
Fosc
25.2
24.4
23.6
22.8
22.0
-25 0 25 50 75 100 125
Temp
Figure 5. Initial Frequency vs. Temp.
150
FS6S-SERIES FS6S0965RT/FS6S1265RB
[mA]
10.2
Iop
10.0
9.8
9.6
9.4
9.2
9.0
-25 0 25 50 75 100 125 150
Temp
Figure 2. Operating Supply Current vs. Temp.
[V]
9.10
Vstop
9.06
9.02
8.98
8.94
8.90
-25 0 25 50 75 100 125 150
Temp
Figure 4. Stop Threshold Voltage vs. Temp.
[%]
96.0
Dmax
95.6
95.2
94.8
94.4
94.0
-25 0 25 50 75 100 125
Temp
Figure 6. Maximum Duty vs. Temp.
150
5
5 Page 
Package Dimensions (Continued)
FS6S-SERIES FS6S0965RT/FS6S1265RB
TO-220F-5L(Forming)
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet FS6S.PDF ] | |
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