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LT1107CS8 数据表(PDF) 2 Page - Linear Technology

部件名 LT1107CS8
功能描述  Micropower DC/DC Converter Adjustable and Fixed 5V, 12V
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1107CS8 数据表(HTML) 2 Page - Linear Technology

  LT1107CS8 Datasheet HTML 1Page - Linear Technology LT1107CS8 Datasheet HTML 2Page - Linear Technology LT1107CS8 Datasheet HTML 3Page - Linear Technology LT1107CS8 Datasheet HTML 4Page - Linear Technology LT1107CS8 Datasheet HTML 5Page - Linear Technology LT1107CS8 Datasheet HTML 6Page - Linear Technology LT1107CS8 Datasheet HTML 7Page - Linear Technology LT1107CS8 Datasheet HTML 8Page - Linear Technology LT1107CS8 Datasheet HTML 9Page - Linear Technology Next Button
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2
LT1107
1107fa
A
G
A
U
A
R
BSOLUTEXI
TI
S
Supply Voltage (VIN) ............................................... 36V
SW1 Pin Voltage (VSW1) ......................................... 50V
SW2 Pin Voltage (VSW2) ............................ – 0.5V to VIN
Feedback Pin Voltage (LT1107) ................................ 5V
Sense Pin Voltage (LT1107-5, LT1107-12) ............ 36V
Maximum Power Dissipation ............................ 500mW
Set Pin Voltage ...................................................... 5.5V
Maximum Switch Current ...................................... 1.5A
Operating Temperature Range
LT1107C ................................................ 0
°C to 70°C
LT1107I ............................................ – 45
°C to 85°C
LT1107M(OBSOLETE) ............... –55
°C to 125°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
ELECTRICAL C
C
HARA TERISTICS The q denotes the specifications which apply over the full operating
temperature range, VIN = 3V, military or commercial version, TA = 25°C, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IQ
Quiescent Current
Switch OFF
320
450
µA
Quiescent Current, Step-Up Mode Configuration
No Load
LT1107-5
360
µA
LT1107-12
550
µA
VIN
Input Voltage
Step-Up Mode
q
2
12.6
V
Step-Down Mode
q
30.0
V
Comparator Trip Point Voltage
LT1107 (Note 2)
q
1.2
1.25
1.3
V
VOUT
Output Sense Voltage
LT1107-5 (Note 3)
q
4.75
5
5.25
V
LT1107-12 (Note 3)
q
11.40
12
12.60
V
Comparator Hysteresis
LT1107
q
8
12.5
mV
Output Hysteresis
LT1107-5
q
32
50
mV
LT1107-12
q
75
120
mV
fOSC
Oscillator Frequency
50
63
77
kHz
Duty Cycle, Step-Up Mode
Full Load
64
70
76
%
tON
Switch ON Time, Step-Up Mode
ILIM Tied to VIN
8.8
11
12.7
µs
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
ORDER PART
NUMBER
LT1107CN8
LT1107CN8-5
LT1107CN8-12
LT1107CS8
LT1107CS8-5
LT1107CS8-12
LT1107IS8
TJMAX = 90°C, θJA = 130°C/W (N)
TJMAX = 90°C, θJA = 150°C/W
1107
11075
110712
1107I
S8 PART MARKING
1
2
3
4
8
7
6
5
TOP VIEW
ILIM
VIN
SW1
SW2
FB (SENSE)*
SET
AO
GND
N8 PACKAGE
8-LEAD PLASTIC DIP
* FIXED VERSIONS
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
*FIXED VERSIONS
ILIM
VIN
SW1
SW2
FB(SENSE)*
SET
AO
GND
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
J8 PACKAGE
8-LEAD CERAMIC DIP
TJMAX = 150°C, θJA = 120°C/W (J)
LT1107MJ8
LT1107MJ8-5
LT1107MJ8-12
OBSOLETE PACKAGE
Consider the N8 Package for Alternate Source



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