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IP1843

Features: • Guaranteed ±1% reference voltage tolerance• Guaranteed ±10% frequency tolerance• Low startup current (<500 mA)• Under voltage lockout with hysteresis• Output state completely defined for all supply and input conditions• Interchangeable with UC1842...

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SeekIC No. : 004375594 Detail

IP1843: Features: • Guaranteed ±1% reference voltage tolerance• Guaranteed ±10% frequency tolerance• Low startup current (<500 mA)• Under voltage lockout with hysteresis• Ou...

IP1843 Data Sheet

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Part Number:
IP1843
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Guaranteed ±1% reference voltage tolerance
• Guaranteed ±10% frequency tolerance
• Low startup current (<500 mA)
• Under voltage lockout with hysteresis
• Output state completely defined for all supply and input conditions
• Interchangeable with UC1842 and UC1843 series for improved operation
• 500kHz operation




Pinout

Connection Diagram


Specifications

VCC Supply Voltage (low impedance source) ..........+30V
(ICC < 30mA) .................................................Self limiting
IO Output Current ....................................................±1A
Output Energy (capacitive load) ...............................5J
Analog Inputs (pins 2 and 3) ...................0.3V to +VCC
Error Amp Output Sink Current ..............................10mA
PD Power Dissipation Tamb = 25°C ...........................1W
Derate @ Tamb > 50°C ...................................10mW/°C
PD Power Dissipation Tcase = 25°C ...........................2W
Derate @ Tcase > 25°C ...................................24mW/°C
TSTG Storage Temperature Range ............65 to 150°C
TL Lead Temperature (soldering, 10 seconds) ...+300°C


Description

The IP1843 series of switching regulator control circuits contain all the functions necessary to implement offline, current mode switching regulators, using a minimum number of external parts. Functions included are voltage reference, error amplifier, current sense comparator, oscillator, totem pole output driver and under-voltage lockout circuitry.

Although pin compatible with the IP1843 series, SEMELAB has incorporated several improvements in the IP1842 and IP1843 series allowing tighter and more complete specification of electrical performance.




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