参数资料
型号: LT1171CT#FLOW-06PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 5.5 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PZFM5
封装: LEAD FREE, PLASTIC, TO-220, 5 PIN
文件页数: 12/24页
文件大小: 225K
代理商: LT1171CT#FLOW-06PBF
LT1170/LT1171/LT1172
2
117012fg
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
LT1170/LT1171/LT1172HV (Note 2).......................60V
LT1170/LT1171/LT1172 (Note 2)............................40V
Switch Output Voltage
LT1170/LT1171/LT1172HV.....................................75V
LT1170/LT1171/LT1172 .........................................65V
LT1172S8..............................................................60V
Feedback Pin Voltage (Transient, 1ms) ................... ±15V
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec.................... 300°C
(Note 1)
PIN CONFIGURATION
Operating Junction Temperature Range
LT1170M/LT1171M (OBSOLETE) ....... –55°C to 150°C
LT1172M ............................................ –55°C to 125°C
LT1170/LT1171/LT1172HVC,
LT1170/LT1171/LT1172C (Oper.)............. 0°C to 100°C
LT1170/LT1171/LT1172HVC
LT1170/LT1171/LT1172C (Sh. Ckt.) ........ 0°C to 125°C
LT1170/LT1171/LT1172HVI,
LT1170/LT1171/LT1172I (Oper.).......... –40°C to 100°C
LT1170/LT1171/LT1172HVI,
LT1170/LT1171/LT1172I (Sh. Ckt.)...... –40°C to 125°C
1
2
3
4
8
7
6
5
TOP VIEW
GND
VC
FB
NC*
E2
VSW
E1
VIN
J8 PACKAGE
8-LEAD CERDIP
TJMAX = 125°C, θJA = 100°C/W
* Do not connect Pin 4 of the LT1172 DIP or SO to external
circuitry. This pin may be active in future revisions.
2
4
1
3
VSW
VC
FB
CASE
IS GND
VIN
K PACKAGE
4-LEAD TO-3 METAL CAN
BOTTOM VIEW
LT1170MK: TJMAX = 150°C, θJC = 2°C/W, θJA = 35°C/W
LT1170CK: TJMAX = 100°C, θJC = 2°C/W, θJA = 35°C/W
LT1171MK: TJMAX = 150°C, θJC = 4°C/W, θJA = 35°C/W
LT1171CK: TJMAX = 100°C, θJC = 4°C/W, θJA = 35°C/W
LT1172MK: TJMAX = 150°C, θJC = 8°C/W, θJA = 35°C/W
LT1172CK: TJMAX = 100°C, θJC = 8°C/W, θJA = 35°C/W
Based on continuous operation.
TJMAX = 125°C for intermittent fault conditions.
OBSOLETE
N8 PACKAGE
8-LEAD PDIP
1
2
3
4
8
7
6
5
TOP VIEW
GND
VC
FB
NC*
E2
VSW
E1
VIN
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 100°C, θJA = 100°C/W (N)
TJMAX = 100°C, θJA = 120°C/W to 150°C/W
depending on board layout (S)
* Do not connect Pin 4 of the LT1172 DIP or SO to external
circuitry. This pin may be active in future revisions.
Q PACKAGE
5-LEAD DD
VIN
VSW
GND
FB
VC
FRONT VIEW
5
4
3
2
1
TJMAX = 100°C, θJA = *°C/W
*
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.
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
GND
VC
FB
NC
E2
VSW
E1
VIN
NC
TJMAX = 100°C, θJA = 150°C/W
Based on continuous operation.
TJMAX = 125°C for intermittent fault conditions.
T PACKAGE
5-LEAD PLASTIC TO-220
VIN
VSW
GND
FB
VC
FRONT VIEW
5
4
3
2
1
LT1170CT/LT1170HVCT: TJMAX =100°C, θJC = 2°C/W, θJA = 75°C/W
LT1171CT/LT1171HVCT: TJMAX =100°C, θJC = 4°C/W, θJA = 75°C/W
LT1172CT/LT1172HVCT: TJMAX =100°C, θJC = 8°C/W, θJA = 75°C/W
Based on continuous operation.
TJMAX = 125°C for intermittent fault conditions.
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