L5991D013TR-2 - Brand New STMicroelectronics IC Chips
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Description
This primary controller I.C., developed in BCD60II technology, has been designed to implement off-line or DC-DC power supply applications using a fixed frequency current mode control. Based on a standard current mode PWM controller, this device includes some features such as programmable soft start, IN/OUT synchronization, disable (to be used for over voltage protection and for power management), precise maximum Duty Cycle Control, 100ns leading edge blanking on current sense, pulse by pulse current limit, over current protection with soft start intervention, and Standby function for oscillator frequency reduction when the converter is lightly loaded.
Specifications and Features
■ CURRENT-MODE CONTROL PWM
■ SWITCHING FREQUENCY UP TO 1MHz
■ LOW START-UP CURRENT (< 120µA)
■ HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A)
■ FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION
■ PROGRAMMABLE DUTY CYCLE
■ 100% AND 50% MAXIMUM DUTY CYCLE LIMIT
■ STANDBY FUNCTION
■ PROGRAMMABLE SOFT START
■ PRIMARY OVERCURRENT FAULT DETECTION WITH RE-START DELAY
■ PWM UVLO WITH HYSTERESIS
■ IN/OUT SYNCHRONIZATION
■ LATCHED DISABLE
■ INTERNAL 100ns LEADING EDGE BLANKING OF CURRENT SENSE
■ PACKAGE: DIP16 AND SO16
Application Scenarios
This electronic component model can be used in off-line or DC-DC power supply applications. It is suitable for implementing fixed frequency current mode control. It can be used for over voltage protection, power management, and providing precise maximum Duty Cycle Control. It also includes features like programmable soft start, IN/OUT synchronization, and Standby function for oscillator frequency reduction when the converter is lightly loaded.
Comparison
Advantages- High switching frequency of up to 1MHz
- Low start-up current
- High-current output drive suitable for power MOSFET
- Programmable duty cycle
- Standby function for frequency reduction when lightly loaded
Disadvantages- None identified
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download L5991D013TR-2
- Chipdatas Part: CD92-L5991D013TR-2
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 08:44 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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