FS6S0965R Datasheet, PDF (1/16 Pages) Fairchild Semiconductor – Power Switch(SPS)

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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
Vpp=5.8/7.2V
-
OSC
5
+
SYNC
VREF
Burst Mode Coltroller
VFB
-
Vth=1V
+
VCC
-
Vth=11/12V ₊
Internal
Bias
Vref
S_
QB
R
3
1
-
+
UVLO
Ron
Roff
4
Ifb
2.5R _R
Idelay ^{VREF VCC}
+
-
Vth=7.5V
VCC
+
-
Vth=30V
OLP
OVP
Uvlo Reset
(VCC=9V)
- _PWM
-
+
Vfb Offset
SQ
R
OCL _Filter
(130nsec)
QS
R Power-on Reset
(VCC=6.5V)
Rsense
+
-
Vth=1V
2
TSD
(Tj=160℃)
©2001 Fairchild Semiconductor Corporation
Rev.1.0.1