EL7583IREZ datasheet(2/16 Pages) RENESAS

2 / 16 page

EL7583

FN7335 Rev 5.00

Page 2 of 16

May 12, 2006

IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are

at the specified temperature and are pulsed tests, therefore: TJ = TC = TA

Absolute Maximum Ratings (TA = 25°C)

VIN Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14V

VDDB, VDDP, VDDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V

LX Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V

Maximum Continuous Output Current . . . . . . . . . . . . . . . . . . . . 0.5A

Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C

Die Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125°C

Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves

Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°C

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

Electrical Specifications

VIN = 3.3V, VBOOST = 12V, ROSC = 100k, TA = 25°C Unless Otherwise Specified

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP

MAX

UNIT

DC/DC BOOST CONVERTER

IQ1_B

Quiescent Current - Shut-down

ENBN = ENP = 0V

0.8

µA

IQ2_B

Quiescent Current - Switching

ENBN = VDDB

4.8

V(FBB)

Feedback Voltage

1.275

1.300

1.325

VREF

Reference Voltage

1.260

1.310

1.360

VROSC

Oscillator Set Voltage

1.260

1.325

1.390

I(FBB)

Feedback Input Bias Current

0.1

µA

VDDB

Boost Converter Supply Range

2.7

DMAX

Maximum Duty Cycle

I(LX)MAX

Peak Internal FET Current

1.75

RDS-ON

Switch On Resistance

at VBOOST = 10V, I(LX) total = 350mA

0.22



ILEAK-SWITCH

Switch Leakage Current

I(LX) total

µA

VBOOST

Output Range

VBOOST > VIN + VDIODE

517

VBOOST/VIN Line Regulation

2.7V < VIN < 13.2V, VBOOST = 15V

0.1

VBOOST/IO1 Load Regulation

50mA < IO1 < 250mA

0.5

FOSC-RANGE

Frequency Range

ROSC range = 240k to 60k

200

1000

kHz

FOSC1

Switching Frequency

ROSC = 100k

620

680

750

kHz

POSITIVE REGULATED CHARGE PUMP (VON)

Most positive VON output depends on the magnitude of the VDDP input voltage (normally connected to VBOOST) and the external component

configuration (doubler or tripler)

VDDP

Supply Input for Positive Charge Pump

Usually connected to VBOOST output

IQ1(VDDP)

Quiescent Current - Shut-down

ENP = 0V

11.5

µA

IQ2(VDDP)

Quiescent Current - Switching

ENBN = ENP = VDDB

2.3

V(FBP)

Feedback Reference Voltage

1.245

1.310

1.375

I(FBP)

Feedback Input Bias Current

0.1

µA

I(DRVP)

RMS DRVP Output Current

VDDP = 12V

VDDP = 6V

ILR_VON

Load Regulation

5mA < IL < 15mA

-0.5

0.03

0.5

%/mA

FPUMP

Charge Pump Frequency

Frequency set by ROSC - see boost section

0.5*FOSC

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