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TOP209P Datasheet

  • TOP209P

  • Three-terminal Off-line PWM Switch

  • 16頁

  • POWERINT

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廬
TOP209/210
TOPSwitch
Family
Three-terminal Off-line PWM Switch
Product Highlights
Cost Effective Switcher for Low Power Applications
鈥?Replaces linear power supplies
鈥?Replaces discrete switcher and 20 to 50 components
鈥?cuts cost, increases reliability
鈥?Stand-by power supplies for Green or energy efficient
products such as personal computers, monitors, UPS,
copiers, fax machines, etc.
鈥?Housekeeping or "keep-alive" power supply applications
such as TV, appliances, industrial control and personal
computers
鈥?Meets 'Blue Angel' low power stand-by specification
鈥?Controlled MOSFET turn-on reduces EMI and EMI filter
costs
鈥?80% smaller and lighter compared to linear supply
鈥?50% smaller compared to discrete switcher
Over 80% Efficiency in Flyback Topology
鈥?Built-in start-up and current limit reduce DC losses
鈥?Low capacitance 700 V MOSFET cuts AC losses
鈥?CMOS controller/gate driver consumes only 6 mW
鈥?70% maximum duty cycle minimizes conduction losses
Simplifies Design 鈥?Reduces Time to Market
鈥?Supported by reference design boards
鈥?Integrated PWM Controller and 700 V MOSFET in
industry standard eight pin DIP package
鈥?Only one external capacitor needed for compensation,
bypass and start-up/auto-restart functions
鈥?Easily interfaces with both opto and primary feedback
System Level Fault Protection Features
鈥?Auto-restart and cycle by cycle current limiting functions
handle both primary and secondary faults
鈥?On-chip thermal shutdown with hysteresis protects the
entire system against overload
廬
+
Wide-Range
DC Input
TOPSwitch
-
D
CONTROL
C
S
PI-2043-052397
Figure 1. Typical Application.
TOPSwitch
Selection Guide
ORDER
PART
NUMBER
OUTPUT POWER RANGE
PACKAGE
230 VAC or
110 VAC
w/Doubler
85-265
VAC
TOP209P
TOP209G
TOP210PFI
TOP210G
DIP-8
SMD-8
DIP-8
SMD-8
0-4 W
0-2 W
0-8 W
0-5 W
Description
The TOP209/210 implements all functions necessary for an
off-line switched mode control system: high voltage N-channel
power MOSFET with controlled turn-on gate driver, voltage
mode PWM controller with integrated oscillator, high voltage
start-up bias circuit, bandgap derived reference, bias shunt
regulator/error amplifier for loop compensation and fault
protection circuitry. Compared to discrete MOSFET and
controller or self oscillating (RCC) switching converter
solutions, a
TOPSwitch
integrated circuit can reduce total cost,
component count, size, weight and at the same time increase
efficiency and system reliability. The TOP209/210 are intended
for 100/110/230 VAC off-line Power Supply applications in
the 0 to 8 W (0 to 5 W universal) range.
August 1997

TOP209P 產(chǎn)品屬性

  • 50

  • 集成電路 (IC)

  • PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān)

  • TOPSwitch®

  • 隔離

  • 55 ~ 85kHz

  • -

  • 700V

  • 2W

  • -40°C ~ 150°C

  • 8-DIP（0.300"，7.62mm）

  • 8-DIP

  • 管件

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