www.fairchildsemi.com
FSD210B, FSD200B
Features
鈥?Single Chip 700V Sense FET Power Switch for 7DIP
鈥?Precision Fixed Operating Frequency (134KHz)
鈥?FSD210B Consumes Under 0.1W at 265VAC & No Load
with Advanced Burst-Mode Operation
鈥?Internal Start-up Circuit
鈥?Pulse-by-Pulse Current Limiting
鈥?Over Load Protection (OLP)
鈥?Internal Thermal Shutdown Function (TSD)
鈥?Auto-Restart Mode
鈥?Under Voltage Lockout (UVLO) with Hysteresis
鈥?Built-in Soft Start
鈥?Frequency Modultation for EMI Reduction
鈥?FSD200B Does Not Require an Auxiliary Bias Winding
Green Mode Fairchild Power Switch (FPS
TM
)
OUTPUT POWER TABLE
PRODUCT
FSD210B
FSD200B
FSD210BM
FSD200BM
85-265VAC
230VAC
鹵15%
(3)
Open
Open
(1)
Adapter
(1)
(2)
Adapter
Frame
Frame
(2)
5W
7W
4W
5W
5W
7W
4W
5W
5W
7W
4W
5W
5W
7W
4W
5W
Applications
鈥?Charger & Adapter for Mobile Phone, PDA & MP3
鈥?Auxiliary Power for White Goods, PC, C-TV & Monitor
Notes:
1. Typical continuous power in a non-ventilated enclosed
adapter with sufficient drain pattern as a heat sinker, at
50擄C ambient.
2. Maximum practical continuous power in an open frame
design with sufficient drain pattern as a heat sinker, at 50擄C
ambient.
3. 230 VAC or 100/115 VAC with doubler.
Typical Circuit
AC
IN
Related Application Notes
鈥?AN-4137, 4141, 4147(Flyback) / AN-4134(Forward) /
AN-4138(Charger)
DC
OUT
Vstr
Drain
Description
Each product in the FSD2x0B (x for 0, 1) family consists of
an integrated Pulse Width Modulator (PWM) and Sense
FET, and is specifically designed for high performance off-
line Switch Mode Power Supplies (SMPS) with minimal
external components. Both devices are integrated high volt-
age power switching regulators which combine an avalanche
rugged Sense FET with a current mode PWM control block.
The integrated PWM controller features include: a fixed
oscillator with frequency modulation for reduced EMI,
Under Voltage Lock Out (UVLO) protection, Leading Edge
Blanking (LEB), an optimized gate turn-on/turn-off driver,
Thermal Shut Down (TSD) protection and temperature com-
pensated precision current sources for loop compensation
and fault protection circuitry. When compared to a discrete
MOSFET and controller or RCC switching converter solu-
tion, the FSD2x0B devices reduce total component count,
design size, weight while increasing efficiency, productivity,
and system reliability. Both devices provide a basic platform
that is well suited for the design of cost-effective flyback
converters.
FPS
TM
is a trademark of Fairchild Semiconductor Corporation.
漏2005 Fairchild Semiconductor Corporation
PWM
Vfb
Vcc
Source
Figure 1. Typical Flyback Application for FSD210B
AC
IN
DC
OUT
Vstr
PWM
Vfb
Drain
Vcc
Source
Figure 2. Typical Flyback Application for FSD200B
Rev.1.0.3