Product Summary
The IR3843AMTRPBF is an easy-to-use, fully integrated and highly efficient DC/DC synchronous Buck regulator. The IR3843AMTRPBF is a versatile regulator which offers programmability of start up time, switching frequency and current limit while operating in wide input and output voltage range.
Parametrics
IR3843AMTRPBF absolute maximum ratings: (1)Vin: -0.3V to 25V; (2)Vcc: -0.3V to 8V; (3)Boot: -0.3V to 33V; (4)SW: -0.3V to 25V(DC), -4V to 25V(AC, 100ns); (5)Boot to SW: -0.3V to Vcc+0.3V; (6)OCSet: -0.3V to 30V, 30mA; (7)Input / output Pins: -0.3V to Vcc+0.3V; (8)PGND to GND: -0.3V to +0.3V; (9)Storage Temperature Range: -55℃ to 150℃; (10)Junction Temperature Range: -40℃ to 150℃; (11)ESD Classification: JEDEC Class 1C; (12)Moisture sensitivity level: JEDEC Level 3@260℃.
Features
IR3843AMTRPBF features: (1)Wide Input Voltage Range 1.5V to 21V; (2)Wide Output Voltage Range 0.7V to 0.9*Vin; (3)Continuous 3A Load Capability; (4)Integrated Bootstrap-diode; (5)High Bandwidth E/A for excellent transient performance; (6)Programmable Switching Frequency up to 1.2MHz; (7)Programmable Over Current Protection; (8)PGood output; (9)Hiccup Current Limit; (10)Precision Reference Voltage (0.7V, +/-1%); (11)Programmable Soft-Start.
Diagrams
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![]() DC/DC Switching Regulators 3A SupIRBuck Reg 250-1200kHz, 1.5-21V |
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![]() IR3800AMTRPBF |
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![]() DC/DC Switching Regulators 14A SupIRBuck Reg 300kHz, 2.5-21V in |
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![]() IR3800MTR1PBF |
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![]() DC/DC Switching Regulators 12A SupIRBuck Reg 600kHz, 2.5-21V in |
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![]() IR3800MTRPBF |
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![]() DC/DC Switching Regulators 12A SupIRBuck Reg 600kHz, 2.5-21V in |
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![]() IR3801AM |
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![]() IR3801AMTRPBF |
![]() International Rectifier |
![]() DC/DC Switching Regulators 9A SupIRBuck Reg 300kHz, 2.5-21V in |
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