DC to DC Converter and Switching Regulator Chip

LT3991EMSE-5#TRPBF

Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 5V 1.2A 10-Pin MSOP EP T/R

Analog Devices

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Active

• HTS

  8542.39.00.90

• Automotive

  Yes

• PPAP

  No

• Type

  Synchronous Step Down

• Output Type

  Fixed

• Maximum Switching Frequency (kHz)

  160 to 2400

• Switching Regulator

  Yes

• Number of Outputs

  1

• Output Voltage (V)

  5

• Maximum Output Current (A)

  1.2

• Minimum Input Voltage (V)

  4.3

• Maximum Input Voltage (V)

  55

• Operating Supply Voltage Range (V)

  4.3 to 55

• Typical Quiescent Current (uA)

  1.7

• Line Regulation

  0.01%/V

• Minimum Operating Temperature (°C)

  -40

• Maximum Operating Temperature (°C)

  125

• Supplier Temperature Grade

  Extended

• Packaging

  Tape and Reel

• Mounting

  Surface Mount

• Package Height

  0.86 mm

• Package Width

  3 mm

• Package Length

  3 mm

• PCB changed

  10

• Standard Package Name

  SO

• Supplier Package

  MSOP EP

• Pin Count

  10

• Lead Shape

  Gull-wing