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参数资料
| 型号： | LT1172HVIQ#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 3.5 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封装： | LEAD FREE, PLASTIC, D2PAK-5 |
| 文件页数： | 12/24页 |
| 文件大小： | 225K |
| 代理商： | LT1172HVIQ#TRPBF |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1172I | 制造商:LINER 制造商全称:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
| LT1172IN8 | 功能描述:IC REG MULTI CONFIG ADJ 8DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT1172IN8#PBF | 功能描述:IC REG MULTI CONFIG ADJ 8DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT1172IN8#PBF | 制造商:Linear Technology 功能描述:IC, SWITCHING REGULATOR, 8-DIP |
| LT1172IN8#TRPBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 3V to 40V 8-Pin PDIP N T/R |
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