EL7515IYZ-T7

Voltage - Output (Min/Fixed):	4.5V
Base Part Number:	EL7515
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	670kHz ~ 1.2MHz
Current - Output:	1A (Switch)
Voltage - Output (Max):	17V
Series:	--
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

EL7515IYZ-T7 is a DC- DC switching regulator designed by E-LAB Technology. This device can be applied to a wide range of voltage input/output applications such as servers, redundancy systems, and power converters. It provides low cost, short time-to-market, and ultimate efficiency at full load.

Application Field

EL7515IYZ-T7 is mainly used for the following applications:

• PC power supply
• Servers and other redundancy systems
• Power converters
• Battery-powered systems
• Small UPS devices

EL7515IYZ-T7 provides a high level of integration with various features and functions. It comes with a wide supply voltage range and high operating temperature range. It has adjustable output voltage, high efficiency, and is capable of delivering up to 25A continuous current. Its switching frequency is adjustable from 125Khz to 2Mhz.

Working Principle

The working principle of EL7515IYZ-T7 is based on DC-DC Buck-Boost regulation. The switching regulator consists of an input stage that uses a low-side-switch (LSS) to sense the input voltage and an output stage using a high-side-switch (HSS) to regulate the output voltage. The device uses pulse width modulation (PWM) control and feedback loop to regulate the duty cycle of the high-side-switch (HSS).In the input stage, the input voltage is sensed by the low-side-switch and the duty cycle of the PWM signal is adjusted accordingly. The HSS is then driven by the PWM signal and controls the power transfer. Depending on the duty cycle, the output voltage can be regulated up or down, thus allowing for an adjustable output voltage. In summary, EL7515IYZ-T7 is a DC- DC switching regulator designed by E-LAB Technology. It is used for a wide range of voltage input/output applications such as servers, redundancy systems, and power converters. It offers high efficiency, adjustable output voltage, and adjustable switching frequency from 125Khz to 2Mhz. The device uses DC-DC Buck-Boost regulation and pulsewidth modulation (PWM) control and feedback loop for regulating the duty cycle of the high-side-switch (HSS).

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