SI9993CS datasheet(6/16 Pages) VISHAY

6 / 16 page

Si9993CS

Vishay Siliconix

S-60752–Rev. A, 05-Apr-99

FaxBack 408-970-5600, request 70653

www.siliconix.com

Notes

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

b. Typical values are for DESIGN AID ONLY, not guaranteed or subject to production testing.

PWM Pre-Driver for LITTLE FOOT (VCM)

HS ± Output High

Current OFF

IOH(HS)

With Slew Rate Control

VOUT = VCLAMP - 0.4 V

-1.6

VOUT = VCLAMP - 3 V, Slew Controlled Range

-1.6

VOUT = VCLAMP - 10V

-24

Without Slew Rate Control

VOUT = VCLAMP - 3 V

-1.4

HS ± Output Low

Current ON

IOL(HS)

With Slew Rate Control

VOUT = VCLAMP - 3 V, Slew Controlled Range

1.4

Without Slew Rate Control

VOUT = 3 V

3.1

LS ± Output Low

Current OFF

IOL(LS)

With Slew Rate Control

VOUT = 0.4 V

1.9

VOUT = 3 V, Slew Controlled Range

1.7

VOUT = 10V

5.0

Without Slew Rate Control

VOUT = 3 V

3.1

LS ± Output High

Current ON

IOH(LS)

With Slew Rate Control

VOUT = 3 V, Slew Controlled Range

-1.1

Without Slew Rate Control

VOUT = VCLAMP - 3 V

-1.4

Upper VCM

Slew Rate Threshold

VCMSRth+

From Low to High VCC = VCLAMP = 12 V

10.3

Hysteresis

2.3

Lower VCM

Slew Rate Threshold

VCMSRth-

From Low to High VCC = VCLAMP = 12 V

1.3

Hysteresis

1.7

VCM Linear Pre-Driver for LITTLE FOOT

HS ± Linear

High Output Voltage

VOH

IOUT = 0

VCLAMP -

0.8

HS ± Linear

Low Output Voltage

VOL

1.4

HS ± Linear

Output High Current

IOH

VOUT = VCLAMP - 3 V

-1.4

HS ± Linear

Output Low Current

IOL

VOUT = 3 V

3.1

LS ± Linear

High Output Voltage

VOH

IOUT = 0

VCLAMP -

1.6

LS ± Linear

Low Output Voltage

VOL

0.7

LS ± Linear

Output High Current

IOH

VOUT = VCLAMP - 3 V

-1.4

LS ± Linear

Output Low Current

IOL

VOUT = 3 V

3.1

SPECIFICATIONS

Operating Conditions:

VCC = VMOT = 12 V ±10%, VDD = 5 V ±10%, VREF(IN) = VREF(OUT), RSS = RSV = 0.2 Ω ±1%,

RSRADJ = 20 kΩ ±1%, Si9942-Si9430 LITTLE FOOT Driver, FSYSCLK = 5 MHz, TA = 0 to 70°C

Parameter

Symbol

Specific Test Conditions

Limits

Unit

Mina

Typb

Maxa

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