LTC1174 查看數據表（PDF） - Linear Technology
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LTC1174 Datasheet PDF : 20 Pages
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LTC1174
LTC1174-3.3/LTC1174-5
ABSOLUTE AXI U RATI GS (Note 1)
(Voltage Referred to GND Pin)
Input Supply Voltage (Pin 6)
LTC1174 ........................................... – 0.3V to 13.5V
LTC1174HV ...................................... – 0.3V to 18.5V
Switch Current (Pin 5) .............................................. 1A
Switch Voltage (Pin 5)
LTC1174 ................................................. VIN – 13.5V
LTC1174HV ............................................ VIN – 18.5V
Operating Temperature Range
LTC1174CX ............................................ 0°C to 70°C
LTC1174IX ........................................ – 40°C to 85°C
Junction Temperature (Note 2) ............................ 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
VOUT (VFB*) 1
LBOUT 2
LBIN 3
GND 4
8 SHUTDOWN
7 IPGM
6 VIN
5 SW
N8 PACKAGE
8-LEAD PDIP
* ADJUSTABLE OUTPUT VERSION
TJMAX = 125°C, θJA = 110°C/W
ORDER PART NUMBER
LTC1174CN8
LTC1174CN8-3.3
LTC1174CN8-5
LTC1174IN8
LTC1174HVCN8
LTC1174HVCN8-3.3
LTC1174HVCN8-5
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TOP VIEW
VOUT (VFB*) 1
LBOUT 2
LBIN 3
GND 4
8 SHUTDOWN
7 IPGM
6 VIN
5 SW
S8 PACKAGE
8-LEAD PLASTIC SO
* ADJUSTABLE OUTPUT VERSION
TJMAX = 125°C, θJA = 150°C/W
ORDER PART NUMBER
S8 PART MARKING
LTC1174CS8
LTC1174CS8-3.3
LTC1174CS8-5
LTC1174IS8
LTC1174HVCS8
LTC1174HVCS8-3.3
LTC1174HVCS8-5
LTC1174HVIS8
1174
117433
117450
1174I
1174H
1174H3
1174H5
1174HI
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 9V, VSHUTDOWN = VIN, IPGM = 0V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
IFB
Feedback Current
VFB
Feedback Voltage
VOUT Regulated Output Voltage
∆VOUT Output Voltage Line Regulation
LTC1174/LTC1174HV
LTC1174/LTC1174HV
LTC1174-3.3/LTC1174HV-3.3
LTC1174-5/LTC1174V-5
VIN = 6V to 12V, ILOAD = 100mA, IPGM = VIN (Note 3)
1
● 1.20 1.25 1.30
● 3.14 3.30 3.46
● 4.75 5.00 5.25
10 70
2
UNITS
µA
V
V
V
mV
1174fe
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