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See Technical Specifications

LTC4557EUD#TRPBF +BOM

Dual SIM/Smart Card Power Supply and Interface

Manufacturer:

Analog Devices, Inc
Mfr.Part #:

LTC4557EUD#TRPBF
Datasheet:

LTC4557EUD#TRPBF Datasheet (PDF)
PackingQty:

Reel,2500
PackingOption:

Reel
TempRange:

-40 to 125C
Output Voltage:

1.8 V, 3 V
EDA/CAD Models:

Request Free CAD Models for LTC4557EUD#TRPBF

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LTC4557EUD#TRPBF General Description

The LTC4557EUD#TRPBF is a versatile power conversion and signal level translation solution designed specifically for 2.5G and 3G cellular telephones. Its primary function is to enable these devices to interface with 1.8V or 3V subscriber identity modules (SIMs), meeting all the necessary requirements for both voltage levels. Equipped with LDO regulators, this part can efficiently power 1.8V or 3V SIM cards from a wide input voltage range of 2.7V to 5.5V. This flexibility makes it suitable for a variety of power supply configurations and ensures reliable performance in different operating conditions. Additionally, the LTC4557EUD#TRPBF features voltage selection pins that allow users to set the output voltages as required, while also being capable of supplying up to 50mA of load current

Key Features

Smart Card Support Available
Sequencing Circuitry for Cards
Power Management Control

Application

Compact and Efficient Design
High Speed Data Transfer
Low Power Consumption

Specifications

model	LTC4557EUD#TRPBF	packingQty	Reel,2500
packingOption	Reel	lifeCycle	production
tempRange	-40 to 125C	Product Category	Switching Voltage Regulators
Output Voltage	1.8 V, 3 V	Output Current	50 mA
Input Voltage, Max	5.5 V	Number of Outputs	2 Output
Mounting Style	SMD/SMT	Switching Frequency	10 MHz
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Series	LTC4557	Input Voltage, Min	2.7 V
Development Kit	DC709A	Input Voltage	2.7 V to 5.5 V
Operating Supply Current	100 uA	Product Type	Switching Voltage Regulators
Shutdown	Shutdown	Factory Pack Quantity	2500
Subcategory	PMIC - Power Management ICs	Type	Dual SIM/Smart Card Power Supply and Interface