LTC1695 Datasheet, PDF (7/20 Pages) Linear Technology – SMBus/I2C Fan Speed Controller in SOT-23

BLOCK DIAGRA
SHUTDOWN
CONTROL
THERMAL
SHUTDOWN
SCL
SMBus
INTERFACE
(BUFFERS,
LOGIC)
SDA
LTC1695
POWER ON
RESET
V_CC
AND UVLO
BOOST START
TIMER
6-BIT DAC
(RESISTORS,
SWITCHES)
6
COMMAND
REGISTER
DATA
REGISTER
PULL-DOWN/UP
LOGIC
–
OP AMP
+
CURRENT
LIMIT
P1
0.75Ω
R1
50k
R2
50k
V_OUT
GND
1695 • BD
7