ICL7660ESA+ by Analog Devices

Switched-Capacitor Voltage Converters


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. Operation is guaranteed from 1.5V to 10V with no external diode over the full temperature range. They deliver 10mA with a 0.5V output drop. The MAX1044 has a BOOST pin that raises the oscillator frequency above the audio band and reduces external capacitor size requirements. The MAX1044/ICL7660 combine low quiescent current and high efficiency. Oscillator control circuitry and four power MOSFET switches are included on-chip. Applications include generating a -5V supply from a +5V logic supply to power analog circuitry. For applications requiring more power, the MAX660 delivers up to 100mA with a voltage drop of less than 0.65V.

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Prices starting from US$2.24

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Features

Miniature µMAX Package
1.5V to 10.0V Operating Supply Voltage Range
98% Typical Power-Conversion Efficiency
Invert, Double, Divide, or Multiply Input Voltages
BOOST Pin Increases Switching Frequencies (MAX1044)
No-Load Supply Current: 200µA Max at 5V
No External Diode Required for Higher-Voltage Operation

Specifications

Topology DoublerInverterUnregulated
VIN (V) (min) 1.5
VIN (V) (max) 10
IOUT (A) (typ) 0.02
Unadj. VOUT (V) +2xVIN-VIN
IQ (mA) (max) 0.175
Switching Frequency (kHz) 10
Oper. Temp. (°C) -40 to +850 to +70
Package/Pins CDIP/8PDIP/8SOIC (N)/8UMAX/8
BudgetaryPrice (See Notes) 1.24


ICL7660ESA+ Semiconductors - ICs by Analog Devices

VOLT CONVERTER SMD 7660 SOIC8

Status: Unknown
Series: MAX1044
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Type Adjustable
Input Voltage Min 1.5V
Input Voltage Max 10V
DC / DC Converter IC Case NSOIC
No. of Pins 8Pins
Output Current 20mA
Fixed Output Voltage Nom. -
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Topology Divider Doubler Inverting Multiplier
Operating Temperature Max 85°C
Product Range MAX1044
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Base Number 7660
Dropout Voltage Vdo 0.65V
Frequency 10kHz
Logic Function Number 7660
No. of Outputs 1Outputs
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +85°C
Output Current Max 0.02A
Output Voltage 20V
Output Voltage Max 20V
Output Voltage Min 3V
Primary Input Voltage 10V
Supply Voltage Min 1.5V
Switching Frequency 10kHz
Voltage Regulator Type Invert Double Divide or Multiply

Alternative Descriptions

Switched-Capacitor Voltage Con | Analog Devices
Dc-Dc Charge Pump, Adjustable, Nsoic-8 | Newark Electronics
VOLT CONVERTER, SMD, 7660, SOIC8 | Farnell
CHARGE PUMP SWITCHED CAP INVERT 20MA | RS

Frequently Asked Questions

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Is the ICL7660ESA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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