参数资料
型号: LTM8025MPV#PBF
厂商: Linear Technology
文件页数: 11/22页
文件大小: 0K
描述: IC CONVERTER BUCK 3A ADJ 70LGA
产品培训模块: LTM8025 - 36VIN, 3A Step Down Regulator
Wide Temperature DC/DC Converter µModules
High Voltage µModule DC/DC Regulators
Power Module vs. Discrete DC to DC
软件下载: LTM8025 Spice Model
产品目录绘图: LTM Series_15x15x4.3
设计资源: DC1379A Design Files
LTM8025MPV#PBF Footprint.bxl
特色产品: LTM8025 Series
μModule Products
标准包装: 170
系列: µModule®
类型: 非隔离(POL)
输出数: 1
电压 - 输入(最小): 3.6V
电压 - 输入(最大): 36V
Voltage - Output 1: 0.8 ~ 24 V
电流 - 输出(最大): 3A
安装类型: 表面贴装
封装/外壳: 70-LGA
尺寸/尺寸: 0.59" L x 0.35" W x 0.17" H(15.0mm x 9.0mm x 4.3mm)
包装: 托盘
工作温度: -55°C ~ 125°C
产品目录页面: 2711 (CN2011-ZH PDF)
配用: DC1379A-ND - BOARD EVAL LTM8025
LTM8025
APPLICATIONS INFORMATION
Table 1: Recommended Component Values and Configuration (T A = 25°C)
V IN V OUT C IN C OUT R ADJ
BIAS f OPTIMAL
R T(OPTIMAL)
f MAX
R T(MIN)
3.6V to 36V 0.8V 10μF, 50V, 1210
3.6V to 36V 1V 10μF, 50V, 1210
3.6V to 36V 1.2V 10μF, 50V, 1210
3.6V to 36V 1.5V 10μF, 50V, 1210
3.6V to 36V 1.8V 10μF, 50V, 1210
4.1V to 36V 2.5V 4.7μF, 50V, 1206
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
3 × 100μF, 6.3V, 1210
2 × 100μF, 6.3V, 1210
Open 2.8V to 25V 230kHz 182k 250kHz 169k
1.87M 2.8V to 25V 240kHz 174k 285kHz 147k
953k 2.8V to 25V 255kHz 162k 315kHz 130k
549k 2.8V to 25V 270kHz 154k 360kHz 113k
383k 2.8V to 25V 285kHz 147k 420kHz 95.3k
226k 2.8V to 25V 300kHz 137k 540kHz 71.5k
5.3V to 36V 3.3V 4.7μF, 50V, 1206 100μF, 6.3V, 1210 154k AUX 345kHz 118k 675kHz 54.9k
7.5V to 36V 5V 4.7μF, 50V, 1206 100μF, 6.3V, 1206 93.1k AUX 425kHz 93.1k 950kHz 36.5k
10.5V to 36V 8V 4.7μF, 50V, 1206 47μF, 16V, 1210 54.9k AUX 550kHz 69.8k 1.45MHz 20.5k
16V to 36V 12V 2.2μF, 50V, 1206 22μF, 16V, 1210 34.8k AUX 760kHz 47.5k 2.3MHz 9.09k
23V to 36V 18V 2.2μF, 50V, 1206 22μF, 25V, 1812 22.6k AUX 800kHz 44.2k 2.4MHz 8.25k
31V to 36V 24V 1μF, 50V, 1206 22μF, 25V, 1812 16.5k 2.8V to 25V 1MHz 34k 2.4MHz 8.25k
3.6V to 15V 0.8V 10μF, 25V, 1210
3.6V to 15V 1V 10μF, 25V, 1210
3.6V to 15V 1.2V 10μF, 25V, 1210
3.6V to 15V 1.5V 10μF, 25V, 1210
3.6V to 15V 1.8V 10μF, 25V, 1210
4.1V to 15V 2.5V 4.7μF, 16V, 1206
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
2 × 100μF, 6.3V, 1210
Open V IN
1.87M V IN
953k V IN
549k V IN
383k V IN
226k V IN
230kHz 182k 575kHz 66.5k
240kHz 174k 660kHz 56.2k
255kHz 162k 760kHz 47.5k
270kHz 154k 840kHz 42.2k
285kHz 147k 1.0MHz 34k
300kHz 137k 1.3MHz 23.7k
5.3V to 15V 3.3V 4.7μF, 16V, 1206 100μF, 6.3V, 1206 154k AUX 345kHz 118k 1.6MHz 17.8k
7.5V to 15V 5V 4.7μF, 16V, 1206 100μF, 6.3V, 1206 93.1k AUX 425kHz 93.1k 2.4MHz 8.25k
10.5V to 15V 8V 2.2μV, 25V, 1206 47μF, 16V, 1210 54.9k AUX 550kHz 69.8k 2.4MHz 8.25k
9V to 24V 0.8V 4.7μF, 25V, 1206
9V to 24V 1V 4.7μF, 25V, 1206
9V to 24V 1.2V 4.7μF, 25V, 1206
9V to 24V 1.5V 4.7μF, 25V, 1206
9V to 24V 1.8V 4.7μF, 25V, 1206
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
3 × 100μF, 6.3V, 1210
Open V IN
1.87M V IN
953k V IN
549k V IN
383k V IN
270kHz 154k 360kHz 113k
285kHz 147k 410kHz 97.6k
295kHz 140k 475kHz 82.5k
310kHz 133k 550kHz 69.8k
330kHz 124k 620kHz 60.4k
9V to 24V 2.5V 4.7μF, 25V, 1206 100μF, 6.3V, 1206 226k V IN
345kHz 118k 800kHz 44.2k
9V to 24V 3.3V 4.7μF, 25V, 1206 100μF, 6.3V, 1206 154k AUX 425kHz 93.1k 1MHz 34k
9V to 24V 5V 4.7μF, 25V, 1206 47μF, 16V, 1210 93.1k AUX 500kHz 76.8k 1.4MHz 21.5k
10.5V to 24V 8V 2.2μF, 25V, 1206 22μF, 16V, 1210 54.9k AUX 590kHz 64.9k 2.2MHz 9.76k
16V to 24V 12V 2.2μF, 50V, 1206 22μF, 16V, 1210 34.8k AUX 760kHz 47.5k 2.3MHz 9.09k
23V to 24V 18V 2.2μF, 50V, 1206 22μF, 25V, 1812 22.6k AUX 800kHz 44.2k 2.4MHz 8.25k
18V to 36V 0.8V 1μF, 50V, 1206
18V to 36V 1V 1μF, 50V, 1206
18V to 36V 1.2V 1μF, 50V, 1206
18V to 36V 1.5V 1μF, 50V, 1206
18V to 36V 1.8V 1μF, 50V, 1206
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
4 × 100μF, 6.3V, 1210
3 × 100μF, 6.3V, 1210
Open 2.8V to 25V 230kHz 182k 250kHz 169k
1.87M 2.8V to 25V 240kHz 174k 285kHz 147k
953k 2.8V to 25V 255kHz 162k 315kHz 130k
549k 2.8V to 25V 270kHz 154k 360kHz 113k
383k 2.8V to 25V 300kHz 137k 420kHz 95.3k
18V to 36V 2.5V 1μF, 50V, 1206 100μF, 6.3V, 1206 226k 2.8V to 25V 345kHz 118k 540kHz 71.5k
18V to 36V 3.3V 1μF, 50V, 1206 100μF, 6.3V, 1206 154k AUX 385kHz 105k 675kHz 54.9k
18V to 36V 5V 1μF, 50V, 1206 47μF, 16V, 1210 93.1k AUX 500kHz 76.8k 950kHz 36.5k
18V to 36V 8V 2.2μF, 50V, 1206 22μF, 16V, 1210 54.9k AUX 550kHz 69.8k 1.45MHz 20.5k
18V to 36V 12V 2.2μF, 50V, 1206 22μF, 16V, 1210 34.8k AUX 760kHz 47.5k 2.3MHz 9.09k
4.75V to 32V –3.3V 4.7μF, 50V, 1206 100μF, 6.3V, 1210 154k AUX 345kHz 118k 675kHz 54.9k
7V to 31V –5V 4.7μF, 50V, 1206 100μF, 6.3V, 1210 93.1k AUX 425kHz 93.1k 950kHz 36.5k
15V to 28V –8V 4.7μF, 50V, 1206 47μF, 16V, 1210 54.9k AUX 550kHz 69.8k 1.45MHz 20.5k
20V to 24V –12V 4.7μF, 50V, 1206 22μF, 16V, 1210 34.8k AUX 760kHz 47.5k 2.3MHz 9.09k
Note: An input bulk capacitance is required. Do not allow V IN + BIAS to exceed 56V. Refer to the Typical Performance Characteristics section for load conditions.
8025fc
For more information www.linear.com/LTM8025
11
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