LTC1695 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1695

SMBus/I2C Fan Speed Controller in SOT-23

Linear Technology 

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LTC1695

U

W

SWITCHING WAVEFORMS

VOUT = VFS

Boost Start Timer Measurement

ILOAD = 10mA, CLOAD = 4.7µF

90% VFS

90% VFS

VOUT = VZS

tBST_ST

VOUT = V(CODE 32)

1695 • SW01

Output Switch On Time Measurement

Code = 63, ILOAD = 1mA, CLOAD = 4.7µF

fSMBus =100kHz

STOP

CONDITION

12 13 14 15 16 17 18 19

COMMAND BYTE

D5 D4 D3 D2 D1 D0 ACK

VOUT = VFS

90% VFS

Output Switch Off Time Measurement

Code = 0, ILOAD = 150mA, CLOAD = 4.7µF

fSMBus =100kHz

STOP

CONDITION

12 13 14 15 16 17 18 19

COMMAND BYTE

D5 D4 D3 D2 D1 D0 ACK

VOUT = VFS

VOUT = VZS

tON

1695 • SW02

VOUT = VZS

10% VFS

tOFF

1695 • SW03

8

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