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TEXAS INSTRUMENTS LM5088MH-2/NOPB
DC/DC控制器, 恒定导通时间, 8.3V至13V电源, 1输出, 降压, 1MHz, HTSSOP-16
- 制造商产品编号:
- LM5088MH-2/NOPB
- 库存编号
- 3008660
-
- ECAD / MCAD
-
产品概述
The LM5088MH-2/NOPB is a high-voltage non-synchronous Buck Controller features all the necessary functions to implement an efficient high voltage buck converter using a minimum number of external components. The LM5088 can be configured to operate over an ultra-wide input voltage range of 4.5 to 75V. This easy to use controller includes a level shifted gate driver capable of controlling an external N-channel buck switch. The control method is based upon peak current-mode control utilizing an emulated current ramp. The use of an emulated control ramp reduces noise sensitivity of the pulse-width modulation circuit, allowing reliable control of very small duty cycles necessary in high input voltage/low output voltage applications. The LM5088 switching frequency is programmable from 50kHz to 1MHz. The LM5088-2 provides a versatile restart timer for overload protection.
- Emulated current mode control
- Drives external high-side N-channel MOSFET
- Low IQ shutdown and standby modes
- High duty cycle ratio feature for reduced dropout voltage
- Hiccup timer for overload protection
- Reference accuracy
- Wide bandwidth error amplifier
- Single resistor oscillator frequency setting
- Oscillator synchronization capability
- Programmable soft-start
- High voltage, low dropout bias regulator
- Thermal shutdown protection
- Green product and no Sb/Br
应用
电源管理, 电机驱动与控制, 车用
产品信息
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| 10+ | CNY31.65 CNY35.7645 | ( ) |
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