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| 型号： | LT1370CR#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 11/16页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG ADJ 6A D2PAK |
| 标准包装： | 50 |
| 类型： | 降压（降压），升压（升压），反相，Cuk，回扫，正向转换器 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 35 V |
| 输入电压： | 2.7 V ~ 25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 6A |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-8，D²Pak（7 引线+接片），TO-263CA |
| 包装： | 管件 |
| 供应商设备封装： | D2PAK-7 |
| 产品目录页面： | 1327 (CN2011-ZH PDF) |
LT1370
APPLICATIO S I FOR ATIO
Layout Considerations
For maximum efficiency, LT1370 switch rise and fall times
are made as short as possible. To prevent radiation and
high frequency resonance problems, proper layout of the
components connected to the switch node is essential. B
field (magnetic) radiation is minimized by keeping output
diode, switch pin and output bypass capacitor leads as
short as possible. Figure 3 shows recommended posi-
tions for these components. E field radiation is kept low by
minimizing the length and area of all traces connected to
the switch pin. A ground plane should always be used
under the switcher circuitry to prevent interplane
coupling.
The high speed switching current path is shown schemati-
cally in Figure 4. Minimum lead length in this path is
essential to ensure clean switching and low EMI. The path
including the switch, output diode and output capacitor is
the only one containing nanosecond rise and fall times.
Keep this path as short as possible.
More Help
For more detailed information on switching regulator
circuits, please see Application Note 19. Linear
Technology also offers a computer software program,
SwitcherCAD TM , to assist in designing switching convert-
ers. In addition, our Applications Department is always
ready to lend a helping hand.
SwitcherCAD is a trademark of Linear Technology Corporation.
FB
GND
NFB
V C
S/S
V SW
V IN
D
C
C
KEEP PATH FROM
V SW , OUTPUT DIODE,
OUTPUT CAPACITORS
AND GROUND RETURN
AS SHORT AS POSSIBLE
LT1370 ? F03
Figure 3. Layout Considerations — R Package
L1
SWITCH
NODE
HIGH
V OUT
V IN
FREQUENCY
CIRCULATING
LOAD
PATH
LT1370 ? F04
Figure 4
sn1370 1370fs
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1370CRTRPBF | 制造商:Linear Technology 功能描述: |
| LT1370CT7 | 功能描述:IC REG MULTI CONFIG ADJ TO220-7 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LT1370CT7#PBF | 功能描述:IC REG MULTI CONFIG ADJ TO220-7 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LT1370HV | 制造商:LINER 制造商全称:Linear Technology 功能描述:500kHz High Efficiency 6A Switching Regulator |
| LT1370HVCR | 功能描述:IC REG MULTI CONFIG ADJ 6A D2PAK RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
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