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EL7558BCM

Integrated Adjustable 8 Amp Synchronous Switcher

Intersil 

EL7558B

Electrical Specifications VDD = VIN = 5V, COSC = 1nF, CSLOPE = 470pF, TA = 25°C unless otherwise specified. (Continued)

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP MAX UNIT

CONTROLLER - REFERENCE

VREF

Reference Accuracy

VREFTC

Reference Voltage Tempco

VREFLOAD

Reference Load Regulation

CONTROLLER - DOUBLER

IREF = 0

0<ILOAD<100µA

1.247

0.5

1.260

50

1.273

V

ppm/ºC

0.5

%/ºC

VC2V

Voltage Doubler Output

CONTROLLER - OSCILLATOR

VDD = 5V, ILOAD = 10mA

7.5

8.1

8.7

V

FRAMP

IOSC CHG

IOSC DIS

FOSC

tsync

POWER - FET

Oscillator Ramp Amplitude

Oscillator Charge Current

Oscillator Discharge Current

Oscillator initial accuracy

Minimum oscillator sync width

0.2V<VOSC<1.4V

0.2V<VOSC<1.4V

1.2

V

150

µA

5

mA

100

120

140

kHz

50

ns

ILEAK

RDSON

RDSONTC

tBRM

tLEB

LX Output Leakage to VSS

Composite FET Resistance

RDSON Tempco

FET break before make delay

High side FET minimum on time (LEB)

LX = 0V

100

µA

18

30

mΩ

0.1

mΩ/ºC

10

ns

140

ns

3

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