EL7583IREZ datasheet(3/16 Pages) RENESAS

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EL7583

FN7335 Rev 5.00

Page 3 of 16

May 12, 2006

NEGATIVE REGULATED CHARGE PUMP (VOFF)

Most negative VOFF output depends on the magnitude of the VDDN input voltage (normally connected to VBOOST) and the external component

configuration (doubler or tripler)

VDDN

Supply Input for Negative Charge Pump

Usually connected to VBOOST output

IQ1(VDDN)

Quiescent Current - Shut-down

ENBN = 0V

1.2

µA

IQ2(VDDN)

Quiescent Current - Switching

ENBN = VDDB

2.3

V(FBN)

Feedback Reference Voltage

-80

+80

I(FBN)

Feedback Input Bias Current

Magnitude of input bias

0.1

µA

I(DRVN)

RMS DRVN Output Current

VDDN = 12V

VDDN = 6V

ILR_VOFF

Load Regulation

-15mA < IL < -5mA

-0.5

0.03

0.5

%/mA

FPUMP

Charge Pump Frequency

Frequency set by ROSC - see boost section

0.5*FOSC

ENABLE CONTROL LOGIC

VHI-ENX

Enable Input High Threshold

x = “BN”, “P”

1.6

VLO-ENX

Enable Input Low Threshold

x = “BN”, “P”

0.8

IL(EN”X”)

Logic Low Bias Current

X = “BN”, “P” = 0V

0.1

µA

IL(ENBN)

Logic High Bias Current

ENBN = 5V

7.5

µA

IL(ENP)

Logic High Bias Current

ENP = 5V

3.3

7.5

µA

OVER-TEMPERATURE PROTECTION

TOT

Over-temperature Threshold

130

°C

THYS

Over-temperature Hysteresis

°C

Electrical Specifications

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

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP

MAX

UNIT

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