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EL7515

High Frequency PWM Step-Up Regulator

Renesas Electronics 

EL7515

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High Frequency PWM Step-Up Regulator

DATASHEET

FN7120

Rev 2.00

August 10, 2007

The EL7515 is a high frequency, high efficiency step-up

DC/DC regulator operated at fixed frequency PWM mode.

With an integrated 1.4A MOSFET, it can deliver up to 600mA

output current at up to 92% efficiency. The adjustable

switching frequency is up to 1.2MHz, making it ideal for DSL

applications.

When shut down, it draws <1µA of current. This feature,

along with the minimum starting voltage of 1.8V, makes it

suitable for portable equipment powered by one Lithium Ion,

3 to 4 NiMH cells, or 2 cells of alkaline battery.

The EL7515 is available in a 10 Ld MSOP package, with

maximum height of 1.1mm. With proper external

components, the whole converter takes less than 0.25in2

PCB space.

This device is specified for operation over the full -40°C to

+85°C temperature range.

Pinout

EL7515

(10 LD MSOP)

TOP VIEW

PGND 1

SGND 2

RT 3

EN 4

LBI 5

10 LX

9 VDD

8 FB

7 SS

6 LBO

Features

• Up to 92% efficiency

• Up to 600mA IOUT

• 4.5V < VOUT < 17V

• 1.8V < VIN < 13.2V

• Up to 1.2MHz adjustable frequency

• <1µA shutdown current

• Adjustable soft-start

• Low battery detection

• Internal thermal protection

• 1.1mm max height 10 Ld MSOP package

• Pb-Free available (RoHS compliant)

Applications

• 3V to 5V and 12V converters

• 5V to 12V converters

• TFT-LCD

• DSL

• Portable equipment

• Desktop equipment

Ordering Information

PART

NUMBER

PART

MARKING

PACKAGE

PKG.

DWG. #

EL7515IY

e

10 Ld MSOP MDP0043

EL7515IY-T7* e

10 Ld MSOP MDP0043

EL7515IY-T13* e

10 Ld MSOP MDP0043

EL7515IYZ

(Note)

BAAAR

10 Ld MSOP

(Pb-free)

MDP0043

EL7515IYZ-T7* BAAAR

(Note)

10 Ld MSOP

(Pb-free)

MDP0043

EL7515IYZ-T13* BAAAR

(Note)

10 Ld MSOP

(Pb-free)

MDP0043

*Please refer to TB347 for details on reel specifications.

NOTE: These Intersil Pb-free plastic packaged products employ

special Pb-free material sets; molding compounds/die attach

materials and 100% matte tin plate PLUS ANNEAL - e3 termination

finish, which is RoHS compliant and compatible with both SnPb and

Pb-free soldering operations. Intersil Pb-free products are MSL

classified at Pb-free peak reflow temperatures that meet or exceed

the Pb-free requirements of IPC/JEDEC J STD-020.

FN7120 Rev 2.00

August 10, 2007

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