Maxim Integrated Datasheets for Charge Pump Regulators

Charge pump regulators are circuits that generate higher voltages from low voltage inputs by using capacitors as storage elements. They are used in notebook computers and mobile phones.
Charge Pump Regulators: Learn more

Product Name Notes
CMOS, Voltage Converters -- ICL7662 CMOS Voltage Converters
Switched-Capacitor Voltage Converters -- ICL7660
Switched-Capacitor Voltage Converters -- MAX1044
The MAX1044 and ICL7660 are monolithic, CMOS switched-capacitor voltage converters that invert, double, divide, or multiply a positive input voltage. They are pin compatible with the industry-standard ICL7660 and LTC1044.
Regulated 3.3V/5.0V Step-Up/Step-Down Charge Pump -- MAX1595 The MAX1595 charge-pump regulator generates either 3.3V or 5V from a 1.8V to 5.5V input. The unique control architecture allows the regulator to step up or step down the input...
Regulated, 125mA Output, Charge Pump DC-DC Inverter -- MAX1673 The MAX1673 charge-pump inverter provides a low-cost, compact means of generating a regulated negative output from a positive input at up to 125mA. It requires only three small capacitors, and...
125mA, Frequency-Selectable, Switched-Capacitor Voltage Converters -- MAX1680
125mA, Frequency-Selectable, Switched-Capacitor Voltage Converters -- MAX1681
The MAX1680/MAX1681 inductorless switched-capacitor voltage converters either invert an input voltage of +2.0V to +5.5V or double it while supplying up to 125mA output current. They have a selectable-frequency option...
3V to 5V Regulating Charge Pumps for SIM Cards -- MAX1686
3V to 5V Regulating Charge Pumps for SIM Cards -- MAX1686H
The MAX1686 provides power for dual-voltage subscriber ID module (SIM) cards in portable applications such as GSM cellular phones. Designed to reside in the portable unit (cellular phone handset), the...
30mA Inverting Charge Pump in SOT23 for EMI-Sensitive Automotive Applications -- MAX16945 The MAX16945 ultra-small, monolithic, CMOS charge-pump voltage inverter accepts an input voltage ranging from +1.4V to +5.5V. This device features an ultra-low 12Ω output resistance, permitting loads of up to...
60mA, SOT23 Inverting Charge Pump with Shutdown -- MAX1697 The MAX1697 ultra-small, monolithic, CMOS charge-pump voltage inverter accepts an input voltage ranging from +1.25V to +5.5V. This device features an ultra-low 12Ω output resistance, permitting loads of up to...
50mA, Regulated, Step-Down Charge Pump for 1.8V or 1.9V Logic -- MAX1730 The MAX1730 regulated step-down charge pump generates up to 50mA at fixed output voltages of 1.8V or 1.9V from an input voltage in the 2.7V to 5.5V range. Specifically designed...
Buck/Boost Regulating Charge Pump in µMAX -- MAX1759 The MAX1759 is a buck/boost regulating charge pump that generates a regulated output voltage from a single lithium-ion (Li+) cell, or two or three NiMH or alkaline cells for small...
SC70 Inverting Charge Pumps with Shutdown -- MAX1852
SC70 Inverting Charge Pumps with Shutdown -- MAX1853
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...
Regulated 5V Charge Pump DC-DC Converter -- MAX619 The MAX619 step-up charge-pump DC-DC converter delivers a regulated 5V ±4% output at 50mA over temperature. The input voltage range is 2V to 3.6V (two battery cells). The complete MAX619...
CMOS Monolithic Voltage Converter -- MAX660 The MAX660 monolithic, charge-pump voltage inverter converts a +1.5V to +5.5V input to a corresponding-1.5V to -5.5V output. Using only two low-costcapacitors, the charge pump's 100mA output replaces switching regulators,...
12V, 30mA Flash Memory Programming Supply -- MAX662A The MAX662A is a regulated +12V, 30mA-output, charge-pump DC-DC converter. It provides the necessary +12V ±5% output to program byte-wide flash memories, and requires no inductors to deliver a guaranteed...
+5V to ±10V Voltage Converters -- MAX680 The MAX680/MAX681 are monolithic, CMOS, dual charge-pump voltage converters that provide ±10V outputs from a +5V input voltage. The MAX680/MAX681 provide both a positive step-up charge pump to develop +10V...
3.3V Input to Regulated 5V Output Charge Pumps -- MAX682 The MAX682/MAX683/MAX684 charge-pump regulators generate 5V from a 2.7V to 5.5V input. They are specifically designed to serve as high-efficiency auxiliary supplies in applications that demand a compact design. The...
Low-Noise, Regulated, -2V GaAsFET Bias -- MAX840
Low-Noise, Regulated, -2V GaAsFET Bias -- MAX843
Low-Noise, Regulated, -2V GaAsFET Bias -- MAX844
The MAX840/MAX843/MAX844 low-noise, inverting charge-pump power supplies are ideal for biasing GaAsFETs in cellular telephone transmitter amplifiers. They operate with inputs down to 2.5V. The MAX840 offers both a -2V...
Low-Noise, Regulated, Negative Charge Pump Power Supplies for GaAsFET Bias -- MAX850
Low-Noise, Regulated, Negative Charge Pump Power Supplies for GaAsFET Bias -- MAX851
Low-Noise, Regulated, Negative Charge Pump Power Supplies for GaAsFET Bias -- MAX853
The MAX850-MAX853 low-noise, inverting, charge-pump power supplies are ideal for biasing GaAsFETs in cellular telephone transmitter amplifiers. The MAX850-MAX852 offer both preset (-4.1V) and adjustable (-0.5V to -9.0V) output voltages.
50mA, Frequency-Selectable, Switched-Capacitor Voltage Converters -- MAX860
50mA, Frequency-Selectable, Switched-Capacitor Voltage Converters -- MAX861
The MAX860/MAX861 charge-pump voltage converters invert input voltages ranging from +1.5V to +5.5V, or double input voltages ranging from +2.5V to +5.5V. Because of their high switching frequencies, these devices...
Dual-Output Charge Pump with Shutdown -- MAX864 The MAX864 CMOS, charge-pump, DC-DC voltage converter produces a positive and a negative output from a single positive input, and requires only four capacitors. The charge pump first doubles the...
Compact, Dual-Output Charge Pump -- MAX865 The MAX865 is a CMOS charge-pump DC-DC converter in an ultra-small µMAX® package. It produces positive and negative outputs from a single positive input, and requires only four capacitors. The...
Regulated, Adjustable -2x Inverting Charge Pump -- MAX868 The MAX868 inverting charge pump provides a low-cost and compact means of generating a regulated negative voltage up to -2 x VIN from a positive input voltage between 1.8V...
Low-Noise Bias Supply in µMAX with Power OK for GaAsFET PA -- MAX881R The MAX881R low-noise, inverting power supply is designed for biasing GaAsFET power amplifiers in portable wireless applications. This device is a chargepump inverter followed by a negative linear regulator. The...
High-Frequency, Regulated, 200mA, Inverting Charge Pump -- MAX889R
High-Frequency, Regulated, 200mA, Inverting Charge Pump -- MAX889S
High-Frequency, Regulated, 200mA, Inverting Charge Pump -- MAX889T
The MAX889 inverting charge pump delivers a regulated negative output voltage at loads of up to 200mA. The device operates with inputs from 2.7V to 5.5V to produce an adjustable,...
Switched-Capacitor Voltage Doublers -- MAX1682
Switched-Capacitor Voltage Doublers -- MAX1683
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...
SOT23, Switched-Capacitor Voltage Inverters with Shutdown -- MAX1719
SOT23, Switched-Capacitor Voltage Inverters with Shutdown -- MAX1720
SOT23, Switched-Capacitor Voltage Inverters with Shutdown -- MAX1721
The ultra-small MAX1719/MAX1720/MAX1721 monolithic, CMOS charge-pump inverters accept input voltages ranging from +1.5V to +5.5V. The MAX1720 operates at 12kHz, and the MAX1719/MAX1721 operate at 125kHz. High efficiency, small external...
Switched-Capacitor Voltage Inverters -- MAX828
Switched-Capacitor Voltage Inverters -- MAX829
The ultra-small MAX828/MAX829 monolithic, CMOS charge-pump inverters accept input voltages ranging from +1.5V to +5.5V. The MAX828 operates at 12kHz, and the MAX829 operates at 35kHz. Their high efficiency (greater...
Switched-Capacitor Voltage Inverters -- MAX870
Switched-Capacitor Voltage Inverters -- MAX871
The ultra-small MAX870/MAX871 monolithic, CMOS charge-pump inverters accept input voltages ranging from +1.4V to +5.5V. The MAX870 operates at 125kHz, and the MAX871 operates at 500kHz. Their high efficiency (90%)...