LTC3630A Series

High Efficiency, 76V 500mA Synchronous Step-Down Converter

Catalog

High Efficiency, 76V 500mA Synchronous Step-Down Converter

Part	Voltage - Output (Max) [Max]	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed)	Output Type	Topology	Supplier Device Package	Function	Voltage - Input (Max) [Max]	Number of Outputs	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Mounting Type	Voltage - Input (Min) [Min]	Output Configuration	Current - Output	Voltage - Output (Max)	Package / Case	Frequency - Switching [Min]	Frequency - Switching [Max]
Analog Devices LTC3630HDHC#TRPBF	65 V	0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-DFN (5x3)	Step-Down	65 V	1	150 °C	-40 °C	16-WFDFN Exposed Pad	Surface Mount	4 V	Positive or Negative	500 mA
Analog Devices LTC3630AIMSE#PBF		0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-MSOP-EP	Step-Down	76 V	1	125 ¯C	-40 °C	16-TFSOP Exposed Pad	Surface Mount	4 V	Positive or Negative	500 mA	76 V	0.118 in 3 mm 12
Analog Devices LTC3630AHMSE#WTRPBF		0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-MSOP-EP	Step-Down	76 V	1	150 °C	-40 °C	16-TFSOP Exposed Pad	Surface Mount	4 V	Positive	500 mA	76 V	0.118 in 3 mm 12	50 kHz	250 kHz
Analog Devices LTC3630AHMSE#TRPBF		0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-MSOP-EP	Step-Down	76 V	1	150 °C	-40 °C	16-TFSOP Exposed Pad	Surface Mount	4 V	Positive or Negative	500 mA	76 V	0.118 in 3 mm 12
Analog Devices LTC3630HDHC#PBF	65 V	0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-DFN (5x3)	Step-Down	65 V	1	150 °C	-40 °C	16-WFDFN Exposed Pad	Surface Mount	4 V	Positive or Negative	500 mA
Analog Devices LTC3630AHMSE#PBF		0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-MSOP-EP	Step-Down	76 V	1	150 °C	-40 °C	16-TFSOP Exposed Pad	Surface Mount	4 V	Positive or Negative	500 mA	76 V	0.118 in 3 mm 12
Analog Devices LTC3630IMSE#PBF	65 V	0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-MSOP-EP	Step-Down	65 V	1	125 ¯C	-40 °C	16-TFSOP Exposed Pad	Surface Mount	4 V	Positive or Negative	500 mA		0.118 in 3 mm 12
Analog Devices LTC3630AIMSE#WTRPBF		0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-MSOP-EP	Step-Down	76 V	1	125 ¯C	-40 °C	16-TFSOP Exposed Pad	Surface Mount	4 V	Positive	500 mA	76 V	0.118 in 3 mm 12	50 kHz	250 kHz
Analog Devices LTC3630AMPMSE#TRPBF		0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-MSOP-EP	Step-Down	76 V	1	150 °C	-55 °C	16-TFSOP Exposed Pad	Surface Mount	4 V	Positive or Negative	500 mA	76 V	0.118 in 3 mm 12
Analog Devices LTC3630IMSE#TRPBF	65 V	0.8 V	3.3 V	1.8 V	5 V	Adjustable (Programmable)	Buck	16-MSOP-EP	Step-Down	65 V	1	125 ¯C	-40 °C	16-TFSOP Exposed Pad	Surface Mount	4 V	Positive or Negative	500 mA		0.118 in 3 mm 12

Catalog

High Efficiency, 76V 500mA Synchronous Step-Down Converter

Key Features

• Wide Operating Input Voltage Range: 4V to 76V

• Synchronous Operation for Highest Efficiency

• Internal High Side and Low Side Power MOSFETs

• No Compensation Required

• Adjustable 50mA to 500mA Maximum Output Current

• Low Dropout Operation: 100% Duty Cycle

• Low Quiescent Current: 12μA

• Wide Output Range: 0.8V to VIN

• 0.8V ±1% Feedback Voltage Reference

• Precise RUN Pin Threshold

• Internal and External Soft-Start

• Programmable 1.8V, 3.3V, 5V or Adjustable Output

• Few External Components Required

• Low Profile (0.75mm) 3mm × 5mm DFN and Thermally-Enhanced MSE16 Packages

• AEC-Q100 Qualified for Automotive Applications

Description

The LTC3630A is a high efficiency step-down DC/DC converter with internal high side and synchronous power switches that draws only 12μA typical DC supply current while maintaining a regulated output voltage at no load.The LTC3630A can supply up to 500mA load current and features a programmable peak current limit that provides a simple method for optimizing efficiency and for reducing output ripple and component size. The LTC3630A’s combination of Burst Mode®operation, integrated power switches, low quiescent current, and programmable peak current limit provides high efficiency over a broad range of load currents.With its wide input range of 4V to 76V, the LTC3630A is a robust converter suited for regulating a wide variety of power sources. A feedback comparator output enables multiple LTC3630As to be paralleled in higher current applications.The LTC3630A is available in the thermally-enhanced 3mm × 5mm DFN and the MSE16 packages.Vin RangeLTC36304.5V to 65VLTC3630A4.5V to 76VAPPLICATIONSIndustrial Control SuppliesMedical DevicesPortable InstrumentsAutomotiveAvionics