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LTC1174 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1174
功能描述  High Efficiency Step-Down and Inverting DC/DC Converter
Download  20 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1174 数据表(HTML) 2 Page - Linear Technology

  LTC1174_06 Datasheet HTML 1Page - Linear Technology LTC1174_06 Datasheet HTML 2Page - Linear Technology LTC1174_06 Datasheet HTML 3Page - Linear Technology LTC1174_06 Datasheet HTML 4Page - Linear Technology LTC1174_06 Datasheet HTML 5Page - Linear Technology LTC1174_06 Datasheet HTML 6Page - Linear Technology LTC1174_06 Datasheet HTML 7Page - Linear Technology LTC1174_06 Datasheet HTML 8Page - Linear Technology LTC1174_06 Datasheet HTML 9Page - Linear Technology Next Button
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LTC1174
LTC1174-3.3/LTC1174-5
1174fe
(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
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
TJMAX = 125°C, θJA = 150°C/W
ORDER PART NUMBER
LTC1174CN8
LTC1174CN8-3.3
LTC1174CN8-5
LTC1174IN8
LTC1174HVCN8
LTC1174HVCN8-3.3
LTC1174HVCN8-5
TJMAX = 125°C, θJA = 110°C/W
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
1
2
3
4
8
7
6
5
TOP VIEW
VOUT (VFB*)
LBOUT
LBIN
GND
SHUTDOWN
IPGM
VIN
SW
N8 PACKAGE
8-LEAD PDIP
* ADJUSTABLE OUTPUT VERSION
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
* ADJUSTABLE OUTPUT VERSION
VOUT (VFB*)
LBOUT
LBIN
GND
SHUTDOWN
IPGM
VIN
SW
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.
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
UNITS
IFB
Feedback Current
LTC1174/LTC1174HV
1
µA
VFB
Feedback Voltage
LTC1174/LTC1174HV
1.20
1.25
1.30
V
VOUT
Regulated Output Voltage
LTC1174-3.3/LTC1174HV-3.3
3.14
3.30
3.46
V
LTC1174-5/LTC1174V-5
4.75
5.00
5.25
V
∆VOUT
Output Voltage Line Regulation
VIN = 6V to 12V, ILOAD = 100mA, IPGM = VIN (Note 3)
10
70
mV
ELECTRICAL CHARACTERISTICS


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