FSDM07652R Datasheet, PDF (1/20 Pages) Fairchild Semiconductor – Green Mode Fairchild Power Switch (FPS)

www.fairchildsemi.com
FSDM07652R
Green Mode Fairchild Power Switch (FPS^TM)
Features
• Internal Avalanche Rugged Sense FET
• Advanced Burst-Mode operation consumes under 1 W at
240VAC & 0.5W load
• Precision Fixed Operating Frequency (66kHz)
• Internal Start-up Circuit
• Pulse by Pulse Current Limiting
• Abnormal Over Current Protection (AOCP)
• Over Voltage Protection (OVP)
• Over Load Protection (OLP)
• Internal Thermal Shutdown Function (TSD)
• Auto-Restart Mode
• Under Voltage Lock Out (UVLO) with hysteresis
• Low Operating Current (2.5mA)
• Built-in Soft Start
OUTPUT POWER TABLE
230VAC ±15%⁽³⁾
85-265VAC
PRODUCT
Adapt- Open Adapt- Open
er⁽¹⁾ Frame⁽²⁾ er⁽¹⁾ Frame⁽²⁾
FSDM0565R 60W
70W
50W
60W
FSDM07652R 70W
80W
60W
70W
Table 1. Notes: 1. Typical continuous power in a non-ven-
tilated enclosed adapter measured at 50°C ambient. 2.
Maximum practical continuous power in an open frame
design at 50°C ambient. 3. 230 VAC or 100/115 VAC with
doubler.
Application
• SMPS for LCD monitor and STB
• Adaptor
Typical Circuit
Description
AC
The FSDM07652R is an integrated Pulse Width Modulator
IN
DC
(PWM) and Sense FET specifically designed for high
OUT
performance offline Switch Mode Power Supplies (SMPS)
with minimal external components. This device is an
integrated high voltage power switching regulator which
combine an avalanche rugged Sense FET with a current mode
Vstr Drain
PWM
PWM control block. The PWM controller includes integrated
fixed frequency oscillator, under voltage lockout, leading
Vfb
Vcc
Source
edge blanking (LEB), optimized gate driver, internal soft
start, temperature compensated precise current sources for a
loop compensation and self protection circuitry. Compared
with discrete MOSFET and PWM controller solution, it can
Figure 1. Typical Flyback Application
reduce total cost, component count, size and weight simulta-
neously increasing efficiency, productivity, and system
reliability. This device is a basic platform well suited for cost
effective designs of flyback converters.
©2005 Fairchild Semiconductor Corporation
Rev.1.0.6