- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：直流/直流开关稳压器 - 降压稳压器
- 功能描述：双路降压直流/直流转换器
- 点击这里打开及下载LM2717的技术文档资料
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The LM2717 is composed of two PWM DC/DC buck (step-down) converters. The first converter is used to generate a fixed output voltage of 3.3V. The second converter is used to generate an adjustable output voltage. Both converters feature low RDSON (0.16?) internal switches for maximum efficiency. Operating frequency can be adjusted anywhere between 300kHz and 600kHz allowing the use of small external components. External soft-start pins for each enables the user to tailor the soft-start times to a specific application. Each converter may also be shut down independently with its own shutdown pin. The LM2717 is available in a low profile 24-lead TSSOP package ensuring a low profile overall solution.
- Fixed 3.3V Output Buck Converter with a 2.2A, 0.16Ω, Internal Switch
- Adjustable Buck Converter with a 3.2A, 0.16Ω, Internal Switch
- Operating Input Voltage Range of 4V to 20V
- Input Undervoltage Protection
- 300kHz to 600kHz Pin Adjustable Operating Frequency
- Over Temperature Protection
- Small 24-Lead TSSOP Package
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- Vin (Min) (V)
- 4
- Vin (Max) (V)
- 20
- Vout (Min) (V)
- 3.3
- Vout (Max) (V)
- 3.3
- Iout (Max) (A)
- 2.2
- Iq (Typ) (uA)
- 6000
- Switching frequency (Min) (kHz)
- 300
- Switching frequency (Max) (kHz)
- 300
- Features
- Over Current Protection
- Rating
- Catalog
- Regulated outputs (#)
- 2
- Control mode
- Constant on-time (COT)
- Duty cycle (Max) (%)
- 89
LM2717的完整型号有：LM2717MT/NOPB、LM2717MTX/NOPB，以下是这些产品的关键参数及官网采购报价：
LM2717MT/NOPB，工作温度：-40 to 125，封装：TSSOP (PW)-24，包装数量MPQ：61个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM2717MT/NOPB的批量USD价格：3.078（1000+）
LM2717MTX/NOPB，工作温度：-40 to 125，封装：TSSOP (PW)-24，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM2717MTX/NOPB的批量USD价格：2.565（1000+）
LM2717MT-ADJEV — 双路降压 DC DC 转换器
The LM2717MT-ADJ is composed of two PWM DC/DC buck (step-down)converters. Both converters are used to generate an adjustable output voltage as low as 1.267V. Both converters are used to generate an adjustable output voltage as low as 1.267V. Both also feature low RDSON (0.16ohm) internal switches (...)
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