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参数资料
| 型号： | DC1274A |
| 厂商： | Linear Technology |
| 文件页数： | 14/20页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO LTM8040 |
| 设计资源： | LTM8040 Spice Model DC1274A Schematic |
| 标准包装： | 1 |
| 系列： | µModule® |
| 电流 - 输出 / 通道： | 1A |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 13V |
| 特点： | PWM 控制 |
| 输入电压： | 4 V ~ 36 V |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTM8040 |
LTM8040
APPLICATION INFORMATION
Layout Hints
Most of the headaches associated with PCB layout have
been alleviated or even eliminated by the high level of
integration of the LTM8040. The LTM8040 is neverthe-
less a switching power supply, and care must be taken to
minimize EMI and ensure proper operation. Even with the
high level of integration, you may fail to achieve speci?ed
operation with a haphazard or poor layout. See Figure 6
for a suggested layout. Ensure that the grounding and heat
sinking are acceptable. A few rules to keep in mind are:
1. Place the C IN capacitor as close as possible to the V IN
and GND connection of the LTM8040.
2. Connect all of the GND connections to as large a cop-
per pour or plane area as possible on the top layer.
Avoid breaking the ground connection between the
external components and the LTM8040.
3. Use vias to connect the GND copper area to the board’s
internal ground plane. Liberally distribute these GND
vias to provide both a good ground connection and
thermal path to the internal planes of the printed circuit
board.
4. If the application requires BIAS to be connected to the
input voltage potential, tie BIAS to V IN , but be careful
not to break up the ground plane.
LEDA
PWM
LED
STRING
LPWR
BIAS
SHDN
ADJ
RT
V IN
GND
C IN
8040 F06
VIAS TO GND PLANE
Figure 6. Suggested Layout
8040fa
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DC1278A | 功能描述:BOARD SAR ADC LTC2351-14 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:QuikEval-II™ 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| DC1280A | 制造商:Linear Technology 功能描述:EVAL BOARD, LT3471 BOOST / INVERTING REG 制造商:Linear Technology 功能描述:EVAL BOARD, LT3471 BOOST / INVERTING REG; Silicon Manufacturer:Linear Technology; Silicon Core Number:LT3471; Kit Application Type:Power Management; Kit Contents:Evaluation Board for LT3471; Length:40mm |
| DC1281A-A | 制造商:Linear Technology 功能描述:BOARD DEMO 16BIT 160MSPS LTC2209 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd, Rq. DC1371 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd, Rq. DC1371, Silicon Manufacturer:Linear Technology, Silicon Core Number:LTC2209UP, Kit Application Type:Data Converter, Application Sub Type:ADC, Kit Contents:Board, Guide, Features:Also works with requred DC1371 |
| DC1281A-B | 制造商:Linear Technology 功能描述:BOARD DEMO 16BIT 160MSPS LTC2209 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd, Rq. DC1371 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd, Rq. DC1371; Silicon Manufacturer:Linear Technology; Silicon Core Number:LTC2209UP; Kit Application Type:Data Converter; Application Sub Type:ADC; Kit Contents:Board, Guide; Features:Also works with requred DC1371 |
| DC1281A-E | 制造商:Linear Technology 功能描述:16BIT ADC Eval Brd, Rq. DC1371, Silicon Manufacturer:Linear Technology, Silicon |
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