MAX1853EXT+

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Analog Devices Inc./Maxim Integrated

SC70 INVERTING CHARGE PUMPS WITH SHUTDOWN

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MAX1853EXT+

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Analog Devices Inc./Maxim Integrated

SC70 INVERTING CHARGE PUMPS WITH SHUTDOWN

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Description Specifications Series Pricing CAD Documents

Description

General part information

MAX1853 Series

The MAX1852/MAX1853 monolithic, CMOS charge-pump voltage inverters in the ultra-small SC70 package feature a low 15Ω output resistance, permitting loads up to 30mA with maximum efficiency. The MAX1852/MAX1853 are available with operating frequencies of 50kHz and 200kHz, respectively, allowing optimization of supply current or external component size. Small external components and micropower shutdown mode make these devices ideal for both battery-powered and board-level voltage conversion applications.Oscillator control circuitry and four power-MOSFET switches are included on-chip. Applications include generating a negative supply from a +5V or +3.3V logic supply to power analog circuitry. Both versions come in a 6-pin SC70 package that is 40% smaller than a SOT23.ApplicationsBattery-Powered ApplicationsGaAsFET Bias SuppliesHandy-Terminals, PDAsNegative Supply from +5V or +3.3V Logic SuppliesSmall LCD Panels

Technical Specifications

Parameters and characteristics for this part

Specification	MAX1853EXT+

Current - Output	30 mA
Frequency - Switching	200 kHz
Function	Ratiometric
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive or Negative, Positive, Negative
Output Type	Fixed
Package / Case	6-TSSOP, SC-88, SOT-363
Package Name	SC-70-6
Synchronous Rectifier	No
Topology	Charge Pump
Voltage - Input (Max)	5.5 V
Voltage - Input (Min)	2.5 V
Voltage - Output (Min/Fixed)	-Vin, 2Vin

MAX1853 Series

SC70 Inverting Charge Pumps with Shutdown

Part	Frequency - Switching	Voltage - Input (Min)	Synchronous Rectifier	Voltage - Input (Max)	Function	Voltage - Output (Min/Fixed)	Output Configuration	Output Type	Topology	Package Name	Current - Output	Package / Case	Mounting Type	Operating Temperature (Max)	Operating Temperature (Min)	Number of Outputs
Analog Devices Inc./Maxim Integrated MAX1853EXT+T	200 kHz	2.5 V	No	5.5 V	Ratiometric	-Vin 2Vin	Negative Positive Positive or Negative	Fixed	Charge Pump	SC-70-6	30 mA	6-TSSOP SC-88 SOT-363	Surface Mount	85 °C	-40 °C	1
Analog Devices Inc./Maxim Integrated MAX1853EXT-T	200 kHz	2.5 V	No	5.5 V	Ratiometric	-Vin 2Vin	Negative Positive Positive or Negative	Fixed	Charge Pump	SC-70-6	30 mA	6-TSSOP SC-88 SOT-363	Surface Mount	85 °C	-40 °C	1
Analog Devices Inc./Maxim Integrated MAX1853EXT	200 kHz	2.5 V	No	5.5 V	Ratiometric	-Vin 2Vin	Negative Positive Positive or Negative	Fixed	Charge Pump	SC-70-6	30 mA	6-TSSOP SC-88 SOT-363	Surface Mount	85 °C	-40 °C	1
Analog Devices Inc./Maxim Integrated MAX1853EXT+	200 kHz	2.5 V	No	5.5 V	Ratiometric	-Vin 2Vin	Negative Positive Positive or Negative	Fixed	Charge Pump	SC-70-6	30 mA	6-TSSOP SC-88 SOT-363	Surface Mount	85 °C	-40 °C	1

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Package Drawing - Single Chip Package

MAX1853 Reliability Data