参数资料
型号: TC1303C-ZJ3EUN
元件分类: 稳压器
英文描述: 0.5 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO10
封装: PLASTIC, MO-187, MSOP-10
文件页数: 13/38页
文件大小: 756K
代理商: TC1303C-ZJ3EUN
TC1303A/TC1303B/TC1303C/TC1304
DS21949C-page 20
2008 Microchip Technology Inc.
3.8
Buck Regulator Shutdown Input
Pin (SHDN1)
SHDN1 is a logic-level input used to turn the buck
regulator on and off. A logic-high (> 45% of VIN), will
enable the regulator output. A logic-low (< 15% of VIN)
will ensure that the output is turned off.
3.9
Buck Regulator Input Voltage Pin
(VIN1)
VIN1 is the buck regulator power input supply pin.
Connect a variable input voltage source to VIN1.
Connect VIN1 and VIN2 together with board traces as
short as possible.
3.10
Buck Inductor Output Pin (LX)
Connect LX directly to the buck inductor. This pin
carries large signal-level current; all connections
should be made as short as possible.
3.11
Power Ground Pin (PGND)
Connect all large-signal level ground returns to PGND.
These large-signal, level ground traces should have a
small loop area and length to prevent coupling of
switching noise to sensitive traces. Please see the
physical layout information supplied in Section 5.0
for
grounding
recommendations.
3.12
Exposed Pad (EP)
For the DFN package, connect the EP to AGND, with
vias into the AGND plane.
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TC1303C-ZP0EMF 功能描述:低压差稳压器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
TC1303C-ZP0EMFTR 功能描述:低压差稳压器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
TC1303C-ZP0EUN 功能描述:低压差稳压器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
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TC1303C-ZS0EMF 功能描述:低压差稳压器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20