参数资料
型号: LM2735XMFEVAL
厂商: National Semiconductor
文件页数: 3/58页
文件大小: 0K
描述: BOARD DEMO FOR LM2735 SOT23-5
标准包装: 1
主要目的: DC/DC,步升
输出及类型: 1,非隔离
输出电压: 12V
电流 - 输出: 500mA
输入电压: 3 ~ 5.5 V
稳压器拓扑结构: 升压
频率 - 开关: 1.6MHz
板类型: 完全填充
已供物品: 板,文档
已用 IC / 零件: LM2735
PIN DESCRIPTIONS - 5-PIN SOT-23
SNVS485F – JUNE 2007 – REVISED APRIL 2013
Pin
1
2
3
4
5
Name
SW
GND
FB
EN
VIN
Function
Output switch. Connect to the inductor, output diode.
Signal and power ground pin. Place the bottom resistor of the feedback network as close as possible to this pin.
Feedback pin. Connect FB to external resistor divider to set output voltage.
Shutdown control input. Logic high enables operation. Do not allow this pin to float or be greater than VIN + 0.3V.
Supply voltage for power stage, and input supply voltage.
PIN DESCRIPTIONS - 6-PIN WSON
Pin
1
2
3
4
5
6
DAP
Name
PGND
VIN
EN
FB
AGND
SW
GND
Function
Power ground pin. Place PGND and output capacitor GND close together.
Supply voltage for power stage, and input supply voltage.
Shutdown control input. Logic high enables operation. Do not allow this pin to float or be greater than VIN + 0.3V.
Feedback pin. Connect FB to external resistor divider to set output voltage.
Signal ground pin. Place the bottom resistor of the feedback network as close as possible to this pin & pin 4.
Output switch. Connect to the inductor, output diode.
Signal & Power ground. Connect to pin 1 & pin 5 on top layer. Place 4-6 vias from DAP to bottom layer GND plane.
PIN DESCRIPTIONS - 8-PIN MSOP-PowerPAD
Pin
1
2
3
4
5
6
7
8
DAP
Name
PGND
VIN
EN
FB
AGND
SW
GND
Function
No Connect
Power ground pin. Place PGND and output capacitor GND close together.
Supply voltage for power stage, and input supply voltage.
Shutdown control input. Logic high enables operation. Do not allow this pin to float or be greater than VIN + 0.3V.
Feedback pin. Connect FB to external resistor divider to set output voltage.
Signal ground pin. Place the bottom resistor of the feedback network as close as possible to this pin & pin 5
Output switch. Connect to the inductor, output diode.
No Connect
Signal & Power ground. Connect to pin 2 & pin 6 on top layer. Place 4-6 vias from DAP to bottom layer GND plane.
Copyright ? 2007–2013, Texas Instruments Incorporated
Product Folder Links: LM2735
3
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