MAP3202 datasheet(5/15 Pages) MGCHIP

Part #	MAP3202

Description	High Efficiency Switch Mode LED Driver

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Manufacturer	MGCHIP [MagnaChip Semiconductor.]

Direct Link	http://www.magnachip.co.kr

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5 / 15 page

Confidential

Datasheet Version 1.1

March 2012

Page 5

Electrical Characteristics (continued)

VCC=12V, VPWMI=5V, Ta=25℃, unless otherwise specified

SYMBOL

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

Internal Transconductance Opamp

IBIAS

Input Bias current

-

0.5

1

nA

VOFFSET

Input Offset voltage

-

-5

-

5

mV

I_AMP_SOURCE

AMP Source Current

VFBN=1V, VFBP=2V, VCOMP=1.5V

-

-100

-

uA

I_AMP_SINK

AMP Sink Current

VFBN=2V, VFBP=1V, VCOMP=1.5V

-

100

-

uA

Oscillator

FOSC

Oscillator frequency

( 100KHz ~ 400KHz )

Ta=-40℃ ~ 85℃, RT=500㏀

90

100

110

kHz

Ta=25℃, RT=500㏀

95

100

105

kHz

Ta=-40℃ ~ 85℃, RT=123㏀

340

400

460

kHz

DMAX

Maximum duty cycle

-

90

-

%

Synchronizing ( External Input )

VIL_SYNC

SYNC Input voltage Low level

-

0.8

V

VIH_SYNC

SYNC Input voltage high level

-

2

-

5.5

V

TSYNC_MIN

SYNC minimum input pulse width(3)

VSYNC = 0V to 5V

20

-

ns

TSYNC_MAX

SYNC maximum input pulse width

VSYNC = 0V to 5V

-

0.05

/fosc

ns

PWM Input

VPWMI(LO)

PWMI input low voltage

Ta=-40℃ ~ 85℃

-

0.8

V

VPWMI(HI)

PWMI input high voltage

Ta=-40℃ ~ 85℃

2.0

-

5.5

V

RPWMI

PWMI pull-down resistance

VPWMI=5V

50

100

150

㏀

PWM Output

TRISE,PWMO

PWM Output rise time

1nF capacitance at PWMO

-

300

ns

TFALL,PWMO

PWM Output fall time

1nF capacitance at PWMO

-

200

ns

Auto Restart Protection ( AUTO )

TAR

Auto Restart Time

Fosc = 100KHz

-

1

-

ms

Over Voltage Protection ( OVP )

VOVP

Over voltage protection

-

2.94

3.0

3.06

V

VOVPH

Over voltage protection hysteresis

-

0.3

-

V

TOVP

OVP Filtering time(3)

-

200

-

ns

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