FSDH0165D ,1A/650V 100KHz Power SwitchBlock Diagram#1 : #1 : V Vst str rUVL UVLO O ≤≤ 6. 6.7 7V V#7 : #7 : V Vcc ccUVL UVLO O 4. 4.5 5V ..
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FSDH0165D
1A/650V 100KHz Power Switch
Features Single chip 650V 1A senseFET powerswitch Precision fixed operating frequency (100kHz) Internal start-up switch UVLO with hysteresis (6.7V/8.7V) Over load protection (typ. 4.5V) Over current protection (typ. 0.48A) Internal thermal shutdown function Secondary side regulation Auto-restart mode No load consumption < 250mW at 265VAC input
Applications Charger & adaptor for mobile phone, PDA & MP3 Auxiliary power for PC
Description The FSDH0165D is specially designed for an off-line SMPS
with minimal external components. The FSDH0165D is a
monolithic high voltage power switching regulator that com-
bine the SenseFET(LDMOS) with voltage mode PWM control
block. Included PWM controller features integrated fixed oscil-
lator, under voltage lock out, leading edge blanking, optimized
gate turn-on/turn-off driver, thermal shutdown protection and
temperature compensated precision current sources for loop
compensation and fault protection circuitry. compared to
discrete MOSFET and controller or RCC switching converter
solution, the FSDH0165D can reduce total component count,
design size, weight and at the same time increase efficiency,
productivity, and system reliability. It has a basic platform well
suited for cost effective design in a flyback converter.
