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MAX734ESA+

Boost (Step Up) Switching Regulator, Fixed, 3V-12Vin, 12V/120mA out, 170 kHz, NSOIC-8

MAXIM INTEGRATED PRODUCTS MAX734ESA+
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Manufacturer Part No:
MAX734ESA+
Order Code:
2517111
Technical Datasheet:
MAX734ESA+   Datasheet
See all Technical Docs

Product Overview

The MAX734ESA+ is a flash memory programming supply in 8 pin NSOIC package. It is a 12V output, step-up, DC to DC switch mode regulator. It delivers 120mA output current from 4.75V input and it is ideal for programming flash memories. It uses only diode, 18µH inductor and two 33µF capacitors. The entire circuit is completely surface mountable and fits in to less than 0.3in². The MAX734 also has logic controlled shutdown pin that allows direct microprocessor (µP) control. In-circuit testing ensures output specifications over load, line and temperature limits. A battery saving feature include 85% efficiency, 1.2mA operating quiescent current and 70µA shutdown supply current. The operating supply current can be reduced to less than 500µA by toggling the shutdown pin with µP. A fixed 170KHz oscillator frequency facilitates ripple filtering and allows the use of tiny external capacitors. It is used in PCMCIA +12V supplies, solid state disk drives and compact 12V op-amp supplies.
  • Supply voltage range from 3V to 12V
  • Operating temperature range from -40°C to 85°C
  • Load current of 150mA at V+ = 4.75V, 225mA at V+ = 4.5V and 150mA at V+ = 3V
  • Line regulation of 0.20%
  • V (V+ = 5V to 12V) and load regulation of 0.0035%
  • mA at(Iload=0mA to 120mA)
  • Efficiency of 83% (V+ = 5V and Iload = 120mA)
  • Current mode PWM control to provide precise output regulation and low subhormonic noise

Applications

Power Management, Portable Devices

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
Boost (Step Up)

:
3V

:
12V

:
NSOIC

:
8Pins

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120mA

:
12V

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170kHz

:
85°C

:
-

:
-

:
MSL 1 - Unlimited

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Technical Docs (2)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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