SI9140_04 datasheet(3/19 Pages) VISHAY

Part #	SI9140

Description	MP Controller For High Performance Process Power Supplies

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Manufacturer	VISHAY [Vishay Siliconix]

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Si9140

Vishay Siliconix

Document Number: 70026

S-40699—Rev. H, 19-Apr-04

www.vishay.com

3

SPECIFICATIONS

Limits

C Suffix 0 to 70_C

D Suffix −40 to 85_C

Test Conditions

Unless Otherwise Specifieda

3 V v VDD v 6.5 V, VDD = VS

GND = PGND

Parameter

Unit

Maxb

Typ

Minb

Test Conditions

Unless Otherwise Specifieda

3 V v VDD v 6.5 V, VDD = VS

GND = PGND

Symbol

UVLOSET Voltage Monitor

UVLO Input Current

IUVLO(SET)

VUVLO = 0 to VDD

−100

100

nA

Output Drive (DR and DS)

Output High Voltage

VOH

VS = VDD = 5 V, IOUT = −10 mA

4.7

4.8

V

Output Low Voltage

VOL

VS = VDD = 5 V, IOUT = 10 mA

0.2

0.3

V

Peak Output Current

ISOURCE

VS = VDD = 5 V, VOUT = 0 V

−380

−260

mA

Peak Output Current

ISINK

VS = VDD = 5 V, VOUT = 5 V

200

300

mA

Break-Before-Make

tBBM

VDD = 6.5 V

40

nS

Logic

ENABLE Turn-On Delay

tdEN

ENABLE Delay to Output, ENLH, VDD = 5 V

1.5

ms

ENABLE Logic Low

VENL

0.2 VDD

V

ENABLE Logic High

VENH

0.8 VDD

V

ENABLE Input Current

IEN

ENABLE = 0 to VDD

−1.0

1.0

mA

VGOOD Comparator (Voltage-Good Comparator)

Input Offset Voltage

VOS

VIN Common Mode Voltage = VREF VDD = 5 V

−45

0

45

mV

Input Hysteresis

VINHYS

VIN Common Mode Voltage = VREF, VDD = 5 V

10

mV

Input Bias Current

IBMON

VIN = VREF, VDD = 5 V

−1

0

1

mA

Output Sink I

ISINK

VOUT = 5 V, VDD = 5 V

6

9

mA

Output Low Voltage

VOL

IOUT = 2 mA, VDD = 5 V

350

500

mV

Supply

Supply Current—Normal Mode

IDD

fOSC = 1 MHz, ROSC = 7.50 kW

1.6

2.3

mA

Supply Current—Standby Mode

IDD

ENABLE < 0.4 V

250

330

mA

Notes

a.

100 pF includes CSTRAY on COSC.

b.

The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.

c.

Guaranteed by design, not subject to production testing.

TYPICAL CHARACTERISTICS (25_C UNLESS OTHERWISE NOTED)

1.480

1.485

1.490

1.495

1.500

1.505

1.510

−50

−25

0

25

50

75

100

125

VREF vs. Temperature

t − Temperature (_C)

VDD = 3 V

1.485

1.490

1.495

1.500

1.505

1.510

1.515

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

VREF vs. Supply Voltage

VDD − Supply Voltage (V)

VREF with 10 mA Load

VDD = 6 V

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