Maxim Integrated Switching Regulator, Surface Mount, 12V dc Output Voltage, 2 → 5.5V dc Input Voltage, 45mA

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Subtotal 10 units (supplied on a continuous strip)*

£25.10

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£30.10

(inc. VAT)

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25 - 95£2.372
100 - 245£1.896
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Packaging Options:
RS Stock No.:
190-8122P
Mfr. Part No.:
MAX1682EUK+T
Brand:
Maxim Integrated
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Brand

Maxim Integrated

Output Voltage

12V dc

Output Current

45mA

Input Voltage

2 → 5.5V dc

Mounting Type

Surface Mount

Number of Outputs

1

Efficiency

99.9 (Typ.)%

Minimum Temperature

-40°C

Maximum Temperature

+85°C

Special Features

Requires Only Two Capacitors

Length

3mm

Application

Cell Phones, Handy-Terminals, PDAs, Small LCD Panels

Depth

1.3mm

Width

1.75mm

Maximum Input Current

310µA

The ultra-small MAX1682/MAX1683 monolithic, CMOS charge-pump voltage doublers accept input voltages ranging from +2.0V to +5.5V. Their high voltage-conversion efficiency (over 98%) and low operating current (110μA for MAX1682) make these devices ideal for both battery-powered and board-level voltage-doubler applications.
Oscillator control circuitry and four power MOSFET switches are included on-chip. The MAX1682 operates at 12kHz, and the MAX1683 operates at 35kHz. A typical application includes generating a 6V supply to power an LCD display in a hand-held PDA. Both parts are available in a 5-pin SOT23 package and can deliver 30mA with a typical voltage drop of 600mV.

5-Pin SOT23 Package
+2.0V to +5.5V Input Voltage Range
98% Voltage-Conversion Efficiency
110μA Quiescent Current (MAX1682)
Requires Only Two Capacitors
Up to 45mA Output Current
Applications
Cell Phones
Handy Terminals
PDAs
Small LCD Panels