ST1115C datasheet(4/13 Pages) SITI

Part #	ST1115C

Description	PWM Speed Control Double Coil Brushless DC Motor Driver

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Manufacturer	SITI [Silicon Touch Technology Inc.]

Direct Link	http://www.siti.com.tw

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點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

ST1115C/ST1115D

SP-ST1115CD-A.005

Version

：A.005

Page

：3

Electrical Characteristic

( TA = 25℃ & VDD = 12 V )

Limit

Characteristic

Sym.

Condition

Min.

Typ.

Max.

Unit

Supply Voltage

VDD

Operating

3

12

14

V

Quiescent Current

IDD

No load,

All Inputs = 0V or VDD

-

3

-

mA

HIN Input Terminal

Input Voltage “H”

VIH

-

10

-

12.4

V

Input Voltage “L”

VIL

-

-0.4

-

1.5

V

Input Current “H”

IIH

VIN = VDD

-

±

1

μ

A

Input Current “L”

IIL

VIN = 0 V

-

±

0.3

±

0.5

mA

O1 / O2 Output Terminal ( TJ = 25℃)

Output Voltage High

VOH

-

mV

Output Voltage Low

VOL

IOUT = 250mA

-

250

mV

FG Open-Drain Terminal ( TJ = 25℃)

Output Leakage

Current

ILeak

VFG =12V

-

10

μ

A

Output Current

IFG

VFG = 0.2V

10

-

mA

Output Voltage High

VFGOH

-

15

V

VT PWM Speed Control Terminal ( TJ = 25℃)

VT Threshold Voltage VTHL

100% PWM Duty Cycle

-

3.88

-

V

VT Threshold Voltage VTHH

50% PWM Duty Cycle

-

3.18

-

V

Lock Protection and Restart

Lock Protection Time

TOFF

The capacitor connected to

the CF pin is of value CF

F

μ .

-

2.5*CF

-

sec

Ratio of Protection

Time to Restart Time

RLOCK

TOFF / TON

3

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ST1115C Datasheet(PDF) 4 Page - Silicon Touch Technology Inc.

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