(China (Mainland))
Product Summary
The LTC3832EGN is the high power, high efficiency switching regulator controller optimized for 3.3V-5V to 0.6V-3.xV step-down applications. A precision internal reference and feedback system provide ±1% output regulation over temperature, load current and line voltage variations. The LTC3832EGN uses a synchronous switching architecture with N-channel MOSFETs. Additionally, the chip senses output current through the drain-source resistance of the upper N-channel MOSFET, providing an adjustable current limit without a current sense resistor.
Parametrics
LTC3832EGN absolute maximum ratings: (1)Supply Voltage: VCC, 9V; (2)PVCC1,2: 14V; (3)Input Voltage,IFB, IMAX: –0.3V to 14V; (4)SENSE+, SENSE–, FB,SHDN, FREQSET:–0.3V to V + 0.3V; (5)Junction Temperature: 125℃; (6)Operating Temperature Range (Note 9): –40 to 85℃; (7)Storage Temperature Range –65 to 150℃; (8)Lead Temperature (Soldering, 10 sec): 300℃.
Features
LTC3832EGN features: (1)VOUT as Low as 0.6V; (2)High Power Switching Regulator Controller for 3.3V-5V to 0.6V-3.xV Step-Down Applications; (3)No Current Sense Resistor Required; (4)Low Input Supply Voltage Range: 3V to 8V; (5)Maximum Duty Cycle >91% Over Temperature; (6)All N-Channel External MOSFETs; (7)Excellent Output Regulation: ±1% Over Line, Load and Temperature Variations; (8)High Efficiency: Over 95% Possible; (9)Adjustable or Fixed 2.5V Output (LTC3832); (10)Programmable Fixed Frequency Operation: 100kHz to 500kHz; (11)External Clock Synchronization; (12)Soft-Start; (13)Low Shutdown Current: <10μA; (14)Overtemperature Protection; (15)Available in SO-8 and SSOP-16 Packages.
Diagrams
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IC REG CTRLR BUCK PWM VM 16-SSOP |
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LTC3832EGN#PBF |
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IC REG CTRLR BUCK PWM VM 16-SSOP |
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LTC3832EGN#TR |
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IC REG CTRLR BUCK PWM VM 16-SSOP |
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LTC3832EGN#TRPBF |
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IC REG CTRLR BUCK PWM VM 16-SSOP |
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