參數(shù)資料
型號： LT1172MK
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述： 3.5 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, MBFM4
封裝： METAL CAN, TO-3, 4 PIN
文件頁數(shù)： 2/20頁
文件大?。?/td> 266K
代理商： LT1172MK
2
LT1170/LT1171/LT1172
*
θ
will vary from
approximately
25
°
C/W with 2.8
sq. in. of 1oz.
copper to 45
°
C/W
with 0.20 sq. in. of
1oz. copper.
Somewhat lower
values can be
obtained with
additional copper
layers in multilayer
boards.
LT1172MJ8
LT1172CJ8
LT1172CN8
LT1172IN8
LT1172CS8
LT1172IS8
S8 PART MARKING
1172
ORDER PART
NUMBER
Supply Voltage
LT1170/71/72HV (Note 2) .................................. 60V
LT1170/71/72 (Note 2)....................................... 40V
Switch Output Voltage
LT1170/71/72HV ................................................ 75V
LT1170/71/72..................................................... 65V
LT1172S8........................................................... 60V
Feedback Pin Voltage (Transient, 1ms) ................
±
15V
Storage Temperature Range............... –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
ORDER PART
NUMBER
T
JMAX
= 100
°
C,
θ
JA
= *
°
C/W
LT1170CQ
LT1170IQ
LT1171CQ
LT1171IQ
T
JMAX
150
°
C
100
°
C
150
°
C
100
°
C
150
°
C
150
°
C
θ
JC
θ
JA
LT1170MK
LT1170CK
LT1171MK
LT1171CK
LT1172MK
LT1172CK
Based on continuous operation.
T
JMAX
= 125
°
C for intermittent fault conditions.
2
°
C/W
2
°
C/W
4
°
C/W
4
°
C/W
8
°
C/W
8
°
C/W
35
°
C/W
35
°
C/W
35
°
C/W
35
°
C/W
35
°
C/W
35
°
C/W
LT1170MK
LT1170CK
LT1171MK
LT1171CK
LT1172MK
LT1172CK
T
JMAX
= 150
°
C,
θ
JA
= 100
°
C/W (J)
T
JMAX
= 100
°
C,
θ
JA
= 100
°
C/W (N)
T
= 100
°
C,
θ
= 120
°
C/W to 150
°
C/W
depending on board layout (S)
N8 PACKAGE
8-LEAD PDIP
1
2
3
4
8
7
6
5
TOP VIEW
GND
V
C
FB
NC*
E2
V
SW
E1
V
IN
J8 PACKAGE
8-LEAD CERDIP
S8 PACKAGE
8-LEAD PLASTIC SO
* Do not connect Pin 4 of the LT1172 DIP or SO to external
circuitry. This pin may be active in future revisions.
Operating Junction Temperature Range
LT1170/71/72M......................... –55
°
C to 150
°
C
LT1170/71/72HVC,
LT1170/71/72C (Oper.) .............. 0
°
C to 100
°
C
LT1170/71/72HVC
LT1170/71/72C (Sh. Ckt.) .......... 0
°
C to 125
°
C
LT1170/71/72HVI,
LT1170/71/72I (Oper.) .......... –40
°
C to 100
°
C
LT1170/71/72HVI,
LT1170/71/72I (Sh. Ckt.) ...... –40
°
C to 125
°
C
(Note 1)
T
JMAX
100
°
C
100
°
C
100
°
C
θ
JC
θ
JA
LT1170CT/LT1170HVCT
LT1171CT/LT1171HVCT
LT1172CT/LT1172HVCT
Based on continuous operation.
T
JMAX
= 125
°
C for intermittent fault conditions.
2
°
C/W
4
°
C/W
8
°
C/W
75
°
C/W
75
°
C/W
75
°
C/W
LT1170CT
LT1170IT
LT1170HVCT
LT1170HVIT
LT1171CT
LT1171IT
LT1171HVCT
LT1172CT
LT1172HVCT
T
JMAX
= 100
°
C,
θ
JA
= 150
°
C/W
Based on continuous operation.
T
JMAX
= 125
°
C for intermittent fault conditions.
LT1172CSW
ORDER PART
NUMBER
LT1171HVCQ
LT1172CQ
LT1172HVIQ
ORDER PART
NUMBER
2
3
4
1
V
SW
V
C
FB
CASE
IS GND
V
IN
K PACKAGE
4-LEAD TO-3 METAL CAN
BOTTOM VIEW
Q PACKAGE
5-LEAD DD
V
IN
V
SW
GND
FB
V
C
FRONT VIEW
5
4
3
2
1
ORDER PART
NUMBER
TOP VIEW
SW PACKAGE
16-LEAD PLASTIC SO WIDE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
NC
GND
V
C
FB
NC
NC
NC
NC
NC
E2
V
SW
E1
V
IN
NC
NC
T PACKAGE
5-LEAD PLASTIC TO-220
V
IN
V
SW
GND
FB
V
C
FRONT VIEW
5
4
3
2
1
1172I
C
I
PACKAGE/ORDER U
U
W
ABSOLUTEW
W
W
U
相關PDF資料
PDF描述
LT1172S8 Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-PDIP 0 to 70
LT1172HVIQ RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1170HVC RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1170HVCT RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1170HVI CAPACITOR, 0805, 100NF, 50V; Application:Standard; Capacitance:0.1uF; Tolerance, capacitance:+80% / -20%; Series:08055G; Voltage, rating:50V dc; Capacitor dielectric type:Ceramic Multi-Layer; Case style:0805; Dielectric RoHS Compliant: Yes
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