- TD1722
- 参考价格:
- 发布者:凌晔科技
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详细信息
品牌:泰德
封装:SOP-8P
批号:18+
数量*:8000000
描述:产品详情:
The TD1722 is a voltage mode, fixed 200kHz/300kHz/600kHz switching frequency, synchronous buck converter. The APW 8722 allows wide input voltage that is either a si ngl e 5 ~1 2V or two su ppl y vol tag e(s ) for va rio us applications. A power-on-reset (POR) circuit monitors the VCC supply voltage to prevent wrong logic controls.
A built- in soft-start circuit prevents the output voltages from over- shoot as well as limits the input current. An internal 0.6V/0.8V Temperature-compensated reference voltage with high accuracy is designed to meet the requirement of low out- put voltage applications. The APW 8722 provides excel- lent output voltage regulations against load current variation. The controller’s over-current protection monitors the out- put current by using the voltage drop across the RDS (ON) of low-side MOSFET, eliminating the need for a cur- rent sensing resistor that features high efficiency and low cost. In addition, the TD1722 also integrates excel- lent protection functions. The over-voltage protection (OVP), under-voltage protection (UVP). OVP circuit which monitors the FB voltage to prevent the PWM output from over voltage, and UVP circuit which monitors the FB voltage to prevent the PWM output from under voltage or short circuit.The TD1722 is available in SOP-8P
Features
Wide 5V to 12V Supply Voltage
Power-On-Reset Monitoring on VCC
Excellent Output Voltage Regulations
0.6V Internal Reference for TD1722/A/D
0.8V Internal Reference for TD1722B/C
±0.6% Over-Temperature Range
Integrated Soft-Start
Voltage Mode PWM Operation with External Compensation
Up to 90%DutyRatio for Fast Transient Response
Constant Switching Frequency
300kHz ±10% for TD1722/B
200kHz ±10% for TD1722C
600kHz ±10% for TD1722A/D
Integrated Bootstrap Forward P-CH MOSFET
50%Under-Voltage Protection
125%Over-Voltage Protection
Adjustable Over-Current Protection Threshold
Using the RDS(ON) of Low-Side MOSFET
Shutdown Control byCOMP
SOP-8P Package
Lead Free and Green Devices Available
Applications
Graphic Cards
DSL, Switch HUB
Wireless Lan
Notebook Computer
Mother Board
LCD Monitor/TV
深圳市凌晔科技有限公司
广东省深圳市福田区华强广场C座13L
Tel:0755-83660559
qq:869030400
E-mail:869030400@qq.com
封装:SOP-8P
批号:18+
数量*:8000000
描述:产品详情:
The TD1722 is a voltage mode, fixed 200kHz/300kHz/600kHz switching frequency, synchronous buck converter. The APW 8722 allows wide input voltage that is either a si ngl e 5 ~1 2V or two su ppl y vol tag e(s ) for va rio us applications. A power-on-reset (POR) circuit monitors the VCC supply voltage to prevent wrong logic controls.
A built- in soft-start circuit prevents the output voltages from over- shoot as well as limits the input current. An internal 0.6V/0.8V Temperature-compensated reference voltage with high accuracy is designed to meet the requirement of low out- put voltage applications. The APW 8722 provides excel- lent output voltage regulations against load current variation. The controller’s over-current protection monitors the out- put current by using the voltage drop across the RDS (ON) of low-side MOSFET, eliminating the need for a cur- rent sensing resistor that features high efficiency and low cost. In addition, the TD1722 also integrates excel- lent protection functions. The over-voltage protection (OVP), under-voltage protection (UVP). OVP circuit which monitors the FB voltage to prevent the PWM output from over voltage, and UVP circuit which monitors the FB voltage to prevent the PWM output from under voltage or short circuit.The TD1722 is available in SOP-8P
Features
Wide 5V to 12V Supply Voltage
Power-On-Reset Monitoring on VCC
Excellent Output Voltage Regulations
0.6V Internal Reference for TD1722/A/D
0.8V Internal Reference for TD1722B/C
±0.6% Over-Temperature Range
Integrated Soft-Start
Voltage Mode PWM Operation with External Compensation
Up to 90%DutyRatio for Fast Transient Response
Constant Switching Frequency
300kHz ±10% for TD1722/B
200kHz ±10% for TD1722C
600kHz ±10% for TD1722A/D
Integrated Bootstrap Forward P-CH MOSFET
50%Under-Voltage Protection
125%Over-Voltage Protection
Adjustable Over-Current Protection Threshold
Using the RDS(ON) of Low-Side MOSFET
Shutdown Control byCOMP
SOP-8P Package
Lead Free and Green Devices Available
Applications
Graphic Cards
DSL, Switch HUB
Wireless Lan
Notebook Computer
Mother Board
LCD Monitor/TV
深圳市凌晔科技有限公司
广东省深圳市福田区华强广场C座13L
Tel:0755-83660559
qq:869030400
E-mail:869030400@qq.com
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