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Part Number: MAX1896
Description: The MAX1896 step-up DC-DC converter incorporates high-performance current-mode, fixed-frequency, pulse...
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MAX1896
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DataSheet
General Description
MAX1896 General Description
The MAX1896 step-up DC-DC converter incorporates high-performance current-mode, fixed-frequency, pulse-width modulation (PWM)circuitry and an internal 0.7 N-channel MOSFET to provide a highly efficient regulator with fast response.
High switching frequency (1.4MHz) allows fast loop response and easy filtering with small components. The MAX1896 can produce an output voltage as high as 13V from an input as low as 2.6V. Soft-start is programmable with an external capacitor, which sets the input current ramp rate. In shutdown mode, current consumption is reduced to 0.01A.
The MAX1896 is available in a space-saving 6-pin SOT23 package. The ultra-small package and high switching frequency allow cost and space-efficient implementations.
MAX1896 Maximum Ratings
LX to GND ..............................................................-0.3V to +14V
IN, SHDN, FB to GND.................................................-0.3V to +6V
SS to GND ...................................................-0.3V to (VIN + 0.3V)
RMS LX Pin Current ...............................................................0.6A
Continuous Power Dissipation (TA = +70) (Note 1)
6-Pin SOT23 (derate 9.1mW/ above +70)...................727mW
Operating Temperature Range ..............................-40 to +85
Junction Temperature.........................................................+150
Storage Temperature Range ................................-65 to +150
Lead Temperature (soldering, 10s) ....................................+300
IN, SHDN, FB to GND.................................................-0.3V to +6V
SS to GND ...................................................-0.3V to (VIN + 0.3V)
RMS LX Pin Current ...............................................................0.6A
Continuous Power Dissipation (TA = +70) (Note 1)
6-Pin SOT23 (derate 9.1mW/ above +70)...................727mW
Operating Temperature Range ..............................-40 to +85
Junction Temperature.........................................................+150
Storage Temperature Range ................................-65 to +150
Lead Temperature (soldering, 10s) ....................................+300
MAX1896 Features
`>90% Efficiency
`Adjustable Output Up to 13V
`Guaranteed 12V/120mA Output from 5V Input
`2.6V to 5.5V Input Range
`LT1613 Pin Compatible
`0.01A Shutdown Current
`Programmable Soft-Start
`Space-Saving 6-Pin SOT23 Package
`Adjustable Output Up to 13V
`Guaranteed 12V/120mA Output from 5V Input
`2.6V to 5.5V Input Range
`LT1613 Pin Compatible
`0.01A Shutdown Current
`Programmable Soft-Start
`Space-Saving 6-Pin SOT23 Package
MAX1896 Typical Application
Notebook Computers
LCD Displays
PCMCIA Cards
Portable Applications
Hand-Held Devices
LCD Displays
PCMCIA Cards
Portable Applications
Hand-Held Devices
MAX1896 Connection Diagram
MAX1896
PDF/DataSheet Download
- Datasheet: MAX1896
- File Size: 757571 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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