MAX660

PRODUCTION

CMOS Monolithic Voltage Converter

Inverts or Doubles Input Voltage

Data Sheet (Rev. 2) Product Selection Table

Part Models: 8
1ku List Price: Starting From $4.08

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Overview

Small Capacitors
0.65V Typ Loss at 100mA Load
Low 120µA Operating Current
6.5Ω Typ Output Impedance
Guaranteed R_OUT < 15Ω for C1 = C2 = 10µF
Pin-Compatible High-Current ICL7660 Upgrade
Inverts or Doubles Input Supply Voltage
Selectable Oscillator Frequency: 10kHz/80kHz
88% Typ Conversion Efficiency at 100mA (I_L to GND)

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, eliminating inductors and their associated cost, size, and EMI. Greater than 90% efficiency over most of its load-current range combined with a typical operating current of only 120µA provides ideal performance for both battery-powered and board-level voltage conversion applications. The MAX660 can also double the output voltage of an input power supply or battery, providing +9.35V at 100mA from a +5V input.

A frequency control (FC) pin selects either 10kHz typ or 80kHz typ (40kHz min) operation to optimize capacitor size and quiescent current. The oscillator frequency can also be adjusted with an external capacitor ordriven with an external clock. The MAX660 is a pin-compatible, high-current upgrade of the ICL7660.

The MAX660 is available in both 8-pin DIP and small-outline packages in commercial, extended, and military temperature ranges.

For 50mA applications, consider the MAX860/MAX861 pin-compatible devices (also available in ultra-small µMAX packages).

Applications

Handheld Instruments (PDAs, Palmtops)
Interface Power Supplies
Laptop Computers
Medical Instruments
Operational Amplifier Power Supplies

Part Models: 8
1ku List Price: Starting From $4.08

Documentation

Data Sheet 2

MAX660: CMOS Monolithic Voltage Converter Data Sheet (Rev.2) 09/01/1996

MAX660 10/10/2022

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX660CPA+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX660CSA+	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX660CSA+T	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX660EPA+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX660ESA+	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX660ESA+T	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX660MJA	Ceramic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX660MJA/883B	Ceramic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jun 2, 2023 - 2361E WAFER FAB
		pcn_2361e
MAX660CPA+	PRODUCTION
MAX660CSA+	PRODUCTION
MAX660CSA+T	PRODUCTION
MAX660EPA+	PRODUCTION
MAX660ESA+	PRODUCTION
MAX660ESA+T	PRODUCTION
MAX660MJA	PRODUCTION
MAX660MJA/883B	PRODUCTION
Oct 30, 2020 - 1702R2 ASSEMBLY
		pcn_1702r2
MAX660CSA+	PRODUCTION
MAX660CSA+T	PRODUCTION
MAX660ESA+	PRODUCTION
MAX660ESA+T	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

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