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LT3957AEUHE#PBF +BOM

Boost, Cuk, Flyback, SEPIC Switching Regulator IC Positive or Negative Adjustable 1.6V 1 Output 5A (Switch) 36-WFQFN, 28 Leads, Exposed Pad

Manufacturer:

LINEAR
Mfr.Part #:

LT3957AEUHE#PBF
Datasheet:

LT3957AEUHE#PBF Datasheet (PDF)
Output Voltage:

40 V
Output Current:

5 A
Input Voltage, Max:

40 V
Number of Outputs:

1 Output
EDA/CAD Models:

Request Free CAD Models for LT3957AEUHE#PBF

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LT3957AEUHE#PBF General Description

The LT3957A DC/DC converter offers unparalleled flexibility, allowing it to generate both positive and negative output voltages. Its wide input range capabilities ensure stable operation in various supply voltage conditions. With its internal low-side N-channel power MOSFET, this device is capable of handling up to 40V at 5A, driven by a regulated 5.2V supply. The fixed-frequency current-mode architecture allows for reliable performance across a broad range of supply and output voltages. This converter's impressive versatility makes it an ideal solution for applications requiring flexible power conversion

Key Features

Wide Input Voltage Range: 3V to 40V
Single Feedback Pin for Positive or Negative Output Voltage
Internal 5A/40V Power Switch
Current Mode Control Provides Excellent Transient Response
Programmable Operating Frequency (100kHz to 1MHz) with One External Resistor
Synchronizable to an External Clock
Low Shutdown Current < 1μA
Internal 5.2V Low Dropout Voltage Regulator
Programmable Input Undervoltage Lockout with Hysteresis
Programmable Soft-Start
Thermally Enhanced QFN (5mm × 6mm) Package

Application

Automotive
Telecom
Industrial

Specifications

Product Category	Switching Voltage Regulators	Output Voltage	40 V
Output Current	5 A	Input Voltage, Max	40 V
Number of Outputs	1 Output	Topology	Boost, Flyback, Inverting, SEPIC
Mounting Style	SMD/SMT	Switching Frequency	1 MHz
Quiescent Current	1 uA	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C	Series	LT3957A
Input Voltage, Min	3 V	Development Kit	DC1544A
Input Voltage	3 V to 40 V	Operating Supply Current	1.7 mA
Product Type	Switching Voltage Regulators	Shutdown	Shutdown
Factory Pack Quantity	61	Subcategory	PMIC - Power Management ICs
Type	Current Mode DC/DC Converter	Unit Weight	0.011817 oz