器件名称: 6S1265R
功能描述: Power Switch(SPS)
文件大小: 193.2KB 共16页
简 介:www.fairchildsemi.com
FS6S-SERIES
FS6S0965R/FS6S0965RT/FS6S1265R/FS6S15658R
Fairchild Power Switch(SPS)
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
TO-3P-5L
1
TO-220F-5L
1
1. Drain 2. Gnd 3. VCC 4. FeedBack 5. Sync.
Internal Block Diagram
3
Vpp=5.8/7.2V
1
-
OSC
SYNC
Burst Mode Coltroller
VFB VREF
Internal Bias
Vref
5
+
+ UVLO
+ + S R Roff PWM _ QB
Vth=1V
Ron
VCC Vth=11/12V
4
2.5R
Ifb
R +
Vfb Offset
Idelay
VREF
VCC
Rsense + Vth=7.5V VCC
OLP S
Uvlo Reset
(VCC=9V)
OCL
Filter (130nsec)
+ Vth=1V
2
+ -
OVP
Q
Q
S R
Power-on Reset
(VCC=6.5V)
TSD
(Tj=160℃)
R
Vth=30V
Rev.1.0.1
2001 Fairchild Semiconductor Corporation
FS6S-SERIES FS6S0965R/FS6S0965RT/FS6S1265R/FS6S15658R
Absolute Maximum Ratings
(Ta=25°C, unless otherwise specified) Characteristic Symbol BVPKG VD,MAX VDGR VGS IDM ID ID IAS(EAS) VCC,MAX VFB VSS PD (Watt H/S) Total Power Dissipation Derating Operating Junction Temperature. Operating Ambient Temperature. Storage Temperat……
