MAX1686HEUA+ by Analog Devices

3V to 5V Regulating Charge Pumps for SIM Cards

Status: Active
Series: MAX1686, MAX1686H
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

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 1MHz charge pump converts a 2.7V to 4.2V input to regulated 5V output. The MAX1686H has a nominal output voltage of 5.0V, while the MAX1686 is set to 4.75V to reduce SIM card current drain. The charge pump has only 45µA quiescent supply current, which reduces to 3µA when a 3V-capable SIM card is being powered and the charge pump is disabled. An internal input/output shorting switch provides power for 3V SIM cards. The MAX1686/MAX1686H require only three external capacitors around their space-saving, thin (1mm) 8-pin µMAX® packages.

Where to Buy

Prices starting from US$1.40

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Analog Devices
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Newark Electronics
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Features

2.7V to 4.2V Input Range
12mA min Charge-Pump Output Current
45µA Quiescent Supply Current
0.1µA Supply Current in Shutdown Mode
5.0V Regulated Charge-Pump Output (MAX1686H)
4.75V Regulated Charge-Pump Output (MAX1686)
Input-Output Shorting Switch for 3V Cards
Small External Components (Uses a 0.047µF, 0.1µF, and a 2.2µF Capacitor)
Output Driven to Ground in Shutdown Mode
Super-Small 8-Pin µMAX Package
Soft-Start and Short-Circuit Protection
Regulated charge pump for SIM cards nominal output voltage of 5.0V (MAX1686H)

Specifications

Topology DoublerRegulated
VIN (V) (min) 2.7
VIN (V) (max) 4.2
IOUT (A) (typ) 0.012
Unadj. VOUT (V) 4.75
IQ (mA) (max) 0.1
Switching Frequency (kHz) 1000
Oper. Temp. (°C) -40 to +85
Package/Pins UMAX/8
BudgetaryPrice (See Notes) 1.61


MAX1686HEUA+ Semiconductors - ICs by Analog Devices

CHARGE PUMP DOUBLER 5V 0.012A UMAX-8

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

Specifications

Output Type Fixed
Input Voltage Min 2.7V
Input Voltage Max 4.2V
DC / DC Converter IC Case µMAX
No. of Pins 8Pins
Output Current 12mA
Fixed Output Voltage Nom. 5V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Topology Doubler
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Output Voltage Nom. 5V

Alternative Descriptions

3V to 5V Regulating Charge Pum | Analog Devices
Charge Pump, Doubler, 5V, 0.012A, Umax-8 | Newark Electronics
CHARGE PUMP, DOUBLER, 5V, 0.012A, UMAX-8 | Farnell

Frequently Asked Questions

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Is the MAX1686HEUA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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