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LTC1695CS5#TRM

Description
IC motor driver i2c sot23-5
CategoryOther integrated circuit (IC)    The signal circuit   
File Size233KB,20 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC1695CS5#TRM Overview

IC motor driver i2c sot23-5

LTC1695CS5#TRM Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSOT
package instructionLSSOP, TSOP5/6,.11,37
Contacts5
Manufacturer packaging codeS5
Reach Compliance Codenot_compliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesBRUSHLESS DC MOTOR CONTROLLER
JESD-30 codeR-PDSO-G5
JESD-609 codee0
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals5
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTSOP5/6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)235
power supply5 V
Certification statusNot Qualified
Maximum seat height1.45 mm
Maximum supply current (Isup)155 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width1.625 mm
LTC1695
SMBus/I
2
C Fan Speed
Controller in SOT-23
FEATURES
s
s
DESCRIPTIO
s
s
s
s
s
Complete SMBus/I
2
C
TM
Brushless DC Fan Speed
Control System in a 5-Pin SOT-23 package
0.75Ω PMOS Linear Regulator with 180mA
Output Current Rating
0V to 4.922V Output Voltage Range Controlled by a
6-Bit DAC
Simple 2-Wire SMBus/I
2
C Interface
250ms Internal Timer Ensures Fan Start-Up
Current Limit and Thermal Shutdown
Fault Status Indication via SMBus Host Readback
The LTC
®
1695 fan speed controller provides all the func-
tions necessary for a power management microprocessor
to regulate the speed of a 5V brushless DC fan via a 2-wire
SMBus/I
2
C interface. Fan speed is controlled according to
the system’s required temperature profile and permits
lower fan power consumption, longer battery run time and
lower acoustical generated noise versus systems that
only provide simple on-off control for the fan.
The LTC1695 incorporates a 180mA low dropout linear
regulator, a 2-wire SMBus/I
2
C interface and a 6-bit DAC.
Fan speed is controlled by varying the fan’s terminal
voltage through the output voltage of the LTC1695’s linear
regulator. The LTC1695’s output voltage is programmed
by sending a 6-bit digital code to the LTC1695 DAC via the
SMBus. To eliminate fan start-up problems at lower fan
voltages, users can enable the LTC1695’s boost start
feature that provides the DAC’s full-scale output voltage
for 250ms before decreasing to the programmed output
voltage.
The LTC1695 includes output current limiting and thermal
shutdown as well as status monitors that can be read back
by the microprocessor during fault conditions. The
LTC1695 is available in a 5-lead SOT-23 package.
APPLICATIO S
s
s
s
s
s
s
s
Notebook Computers
Spot Cooling
Portable Instruments
Battery-Powered Systems
DC Motor Control
White LED Power Supplies
Programmable Low Dropout Regulator
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
2
C is a trademark of Philips Electronics N.V.
TYPICAL APPLICATION
5V
1
V
CC
V
OUT
5
LOAD CURRENT (mA)
Fan Voltage and Current vs DAC Code
120
100
80
I
LOAD
60
40
20
1695 • TA01
V
CC
= 5V
T
A
= 25°C
+
10µF
2
LTC1695
GND
4
4.7µF
+
5V DC FAN
SUNON
KDE0502PFB2-8
0.6W, 1.7 CFM
(25 • 25 • 10)mm
3
3
SYSTEM
CONTROLLER
SCL
SDA
0
0
10
U
6
5
OUTPUT VOLTAGE (V)
U
U
4
V
OUT
3
2
1
0
70
20
40
30
DAC CODE
50
60
1695 • TA02
1

LTC1695CS5#TRM Related Products

LTC1695CS5#TRM LTC1695CS5#TRPBF LTC1695CS5#TR LTC1695CS5#TRMPBF
Description IC motor driver i2c sot23-5 IC motor driver i2c sot23-5 IC motor driver i2c sot23-5 IC MOTOR DRIVER I2C SOT23-5
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? incompatible conform to incompatible conform to
Parts packaging code SOT SOT SOT SOT
package instruction LSSOP, TSOP5/6,.11,37 LSSOP, TSOP5/6,.11,37 LSSOP, TSOP5/6,.11,37 LSSOP, TSOP5/6,.11,37
Contacts 5 5 5 5
Manufacturer packaging code S5 S5 S5 S5
Reach Compliance Code not_compliant compli _compli compliant
ECCN code EAR99 EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types BRUSHLESS DC MOTOR CONTROLLER BRUSHLESS DC MOTOR CONTROLLER BRUSHLESS DC MOTOR CONTROLLER BRUSHLESS DC MOTOR CONTROLLER
JESD-30 code R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5
JESD-609 code e0 e3 e0 e3
length 2.9 mm 2.9 mm 2.9 mm 2.9 mm
Humidity sensitivity level 1 1 1 1
Number of functions 1 1 1 1
Number of terminals 5 5 5 5
Maximum operating temperature 70 °C 70 °C 70 °C 70 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LSSOP LSSOP LSSOP LSSOP
Encapsulate equivalent code TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 235 260 235 260
power supply 5 V 5 V 5 V 5 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.45 mm 1.45 mm 1.45 mm 1.45 mm
Maximum supply current (Isup) 155 mA 155 mA 155 mA 155 mA
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 4.5 V 4.5 V 4.5 V 4.5 V
Nominal supply voltage (Vsup) 5 V 5 V 5 V 5 V
surface mount YES YES YES YES
technology CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.95 mm 0.95 mm 0.95 mm 0.95 mm
Terminal location DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 30 20 30
width 1.625 mm 1.625 mm 1.625 mm 1.625 mm
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