This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Images are for reference only,

See Technical Specifications

LTC7138IMSE#PBF

High Efficiency, 140V 400mA Step-Down Regulator with PassThru

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

LTC7138IMSE#PBF
Datasheet:

LTC7138IMSE#PBF Datasheet (PDF)
Function:

Step-Down
Output Configuration:

Positive
Topology:

Buck
Output Type:

Adjustable (Programmable)

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

LTC7138IMSE#PBF General Description

The LTC7138 is a high efficiency step-down DC/DC regulator with internal power switch that draws only 12μA typical DC supply current while maintaining a regulated output voltage at no load.

Key Features

Wide Operating Input Voltage Range: 4V to 140V
Internal Low Resistance Power MOSFET
No Compensation Required
Adjustable 100mA to 400mA Maximum Output Current
Low Dropout Operation: 100% Duty Cycle
Low Quiescent Current: 12μA
Wide Output Range: 0.8V to V_IN
0.8V ±1% Feedback Voltage Reference
Precise RUN Pin Threshold
Internal or External Soft-Start
Programmable 1.8V, 3.3V, 5V or Adjustable Output
Few External Components Required
Programmable Input Overvoltage Lockout
Thermally Enhanced High Voltage MSOP Package

Application

Industrial Control Supplies
Medical Devices
Distributed Power Systems
Portable Instruments
Battery-Operated Devices
Avionics
Automotive

Specifications

Function	Step-Down	Output Configuration	Positive
Topology	Buck	Output Type	Adjustable (Programmable)
Number of Outputs	1	Voltage - Input (Min)	4V
Voltage - Input (Max)	140V	Voltage - Output (Min/Fixed)	0.8V (1.8V, 3.3V, 5V)
Voltage - Output (Max)	140V	Current - Output	400mA
Synchronous Rectifier	No	Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount	Base Product Number	LTC7138