IP9001 datasheet(8/32 Pages) INTERPION

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IP9001

4-CH MOTOR DRIVE IC FOR PORTABLE CDP

September. 2003 (Rev.0)

- 8 -

www.interpionsemi.com

ELECTRICAL CHARACTERISTICS - - - continued

CHARACTERISTICS

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

[ DC/DC CONVERTER PART - - - Transistor drive ]

DRV output

high level voltage1

VDRHS

VBAT=CT=1.5V

VCC1=VCC2=0V,

IO=-2mA at start

0.78

0.98

1.13

DRV output

high level voltage2

VDRH

CT=0V,ERRI=0.7V,

IO=-10mA ,SCP=0V

1.0

1.50

DRV output

low level voltage2

VDRL

CT=2V,IO=10mA

0.3

0.45

DRV oscillator frequency1

fDR1

CT=470pF,

VCC1=VCC2=OV,

at start

KHz

DRV oscillator frequency2

fDR2

CT=470pF,CLK=0V

DRV oscillator frequency3

fDR3

CT=470pF,

88.2

DRV oscillator

minimum pulse width

TMIN

CT=470pF,

EAMPO=0.7 ~ 0.5 sweep

0.01

0.6

usec

Pulse duty at start

DDR1

CT=470pF,

VCC1=VCC2=OV

Maximum duty at free run

DDR2

EAMPI=0.7V,CT=470pF,CL

K=0V

Maximum duty with

synchronized clock

DDR3

EAMPI=0.7V,CT=470pF

[ DC/DC CONVERTER PART - - - Interface ]

OFF threshold voltage

VSTPTH

EAMPI=1.3V

1.2

OFF bias current

ISTP

OFF=0V

115

START on voltage

VSTRTON

VCC1=VCC2=0V, CT=2V

1.4

START off voltage

VSTRTOFF

VCC1=VCC2=0V, CT=2V

2.1

START bias current

IBSTRT

START=0V

CLK on voltage

VCLKON

2.0

CLK off voltage

VCLKOFF

0.8

CLK bias current

ICLK

CLK=3.2V

(Ta = 25

OC, VCC1=VCC2=3.2V, VBAT=2.4V, VREF=1.6V,

VCHG=0V, fclk=88.2KHz unless otherwise specified.)

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