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LTC1695 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC1695
Description  SMBus/IC Fan Speed Controller in SOT-23
Download  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1695 Datasheet(HTML) 2 Page - Linear Technology

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LTC1695
2
Terminal Voltages
Supply Voltage (VCC) ............................................. 7V
All Other Inputs ........................ –0.3V to (VCC + 0.3V)
Operating Temperature Range ..................... 0
°C to 70°C
Junction Temperature ........................................... 125
°C
Storage Temperature Range .................. –65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
ORDER PART
NUMBER
S5 PART MARKING
TJMAX = 125°C, θJA = 256°C/W
SEE THE APPLICATIONS
INFORMATION SECTION.
Consult factory for Industrial and Military grade parts.
LTIY
LTC1695CS5
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V unless otherwise stated.
4 SDA
5 VOUT
SCL 3
VCC 1
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC SOT-23
GND 2
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage Range
4.5
5
5.5
V
ICC
Supply Current, Operating
VOUT = Full Scale, ILOAD = 150mA
q
150.7
155
mA
Supply Current, Shutdown
DAC Code = 0
q
80
200
µA
DAC
DAC Resolution
Guaranteed Monotonic
q
6
Bits
VLSB
1LSB Resolution
ILOAD = 1mA
q
73
78
83
mV
VOS
Offset Error
ILOAD = 1mA
q
±1
LSB
DNL
Differential Nonlinearity
ILOAD = 1mA (Note 2)
q
±0.75
LSB
INL
Integral Nonlinearity
ILOAD = 1mA (Note 2)
q
±0.75
LSB
VFS
VOUT, DAC Full Scale
ILOAD = 20mA
q
4.5
4.93
V
ILOAD = 150mA
q
4.5
4.9
V
VZS
VOUT, DAC Zero Scale
RLOAD = 1kΩ
q
085
mV
RON(P)
P-Channel On Resistance
ILOAD = 150mA
0.75
Timer and Thermal Shutdown
VUVLO
Undervoltage Lockout Voltage
Rising VCC
q
2.3
2.9
3.5
V
TBST_ST
Boost Start Timer
ILOAD = 10mA, CLOAD = 4.7µF
q
75
250
1000
ms
TTHERMAL
Thermal Shutdown Temperature
(Note 3)
155
°C
IFAULT
Output Current Limit Threshold
VOUT = 0V, DAC Code = 63
q
180
390
850
mA
SMBus SCL, SDA Inputs
VIH
Input High Threshold
q
2.1
V
VIL
Input Low Threshold
q
0.8
V
IIN
Input Current
SCL, SDA = 0V or 5V
q
±0.1
±5
µA
CIN
Input Capacitance
(Note 3)
3
pF
tON
Switch On Time from
VOUT from Zero Scale to Full Scale,
q
50
500
µs
Stop Condition (fSMBus = 100kHz)
ILOAD = 1mA, CLOAD = 4.7µF
tOFF
Switch Off Time from
VOUT from Full Scale to Zero Scale,
q
150
500
µs
Stop Condition (fSMBus = 100kHz)
ILOAD = 150mA, CLOAD = 4.7µF
VOL
SDA Output Low Voltage
IPULLUP = 3mA
q
150
400
mV


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