Low

LT1961EMS8E#PBF - 

DC-DC Switching Boost (Step Up) Regulator, Adjustable, 3V-25Vin, 1.2V-34Vout, 1.5Aout, MSOP-8

LT1961EMS8E#PBF - DC-DC Switching Boost (Step Up) Regulator, Adjustable, 3V-25Vin, 1.2V-34Vout, 1.5Aout, MSOP-8

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Manufacturer Part No:
LT1961EMS8E#PBF
Order Code:
1273804
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT1961EMS8E#PBF is a Dual Monolithic 1.25MHz Step-up Switching Regulator with high efficiency 1.5A, 0.2R switch. This switch is included on the die together with all the control circuitry required to complete a high frequency, current-mode switching regulator. Current-mode control provides fast transient response and excellent loop stability. New design techniques achieve high efficiency at high switching frequencies over a wide operating voltage range. A LDO internal regulator maintains consistent performance over a wide range of inputs from 24V systems to Li-ion batteries. A 1mA operating supply current maintains high efficiency, especially at lower output current. Synchronization allows an external logic level signal to increase the internal oscillator from 1.5 to 2MHz. Full cycle-by-cycle switch current limit protection and thermal shutdown are provided. High frequency operation allows reduction of input and output filtering components and permits the use of chip inductors.
  • High efficiency 0.2R switch
  • 1.2V Feedback reference voltage
  • 2% Overall output voltage tolerance
  • Uses low profile surface mount external components
  • Low shutdown current (6µA)
  • Synchronizable from 1.5 to 2MHz
  • Current-mode loop control
  • Constant maximum switch current rating at all duty cycles

Applications

Computers & Computer Peripherals, Portable Devices, Power Management

Product Information

:
Boost (Step Up)
:
3V
:
25V
:
1Outputs
:
MSOP
:
8Pins
:
1.5A
:
1.2V
:
34V
:
1.25MHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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