LV5876MX Datasheet Text
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Ordering number : ENA1857
Bi-CMOS IC
LV5876MX
Overview
Step-down Switching Regulator
LV5876MX is a 1ch step-down switching regulator. With built-in 0.25Ω power MOSFET switch, it achieves high output current and high efficiency. With low-heat resistance, miniature package MFP8 (200mil) with heat-sink is adopted. Since it is Current mode control type, it has good load current response, and phase pensation is easy. With ON/OFF pin, operating can be less than 90μA at stand-by mode. It has cycle-by-cycle over current protection for load devices. With external capacitor, it achieves soft start.
Functions
- 2.0A 1ch step-down regulator
- Small package: MFP8 (200mil) with heat sink
- High efficiency (88% IOUT = 1A, VIN = 12V, VO = 5V)
- Standby mode
- Over-current protection
- Thermal shutdown protection
- Reference voltage: 0.8V
- Inside frequency: 950kHz
- Soft start
- Wide input dynamic range (4.75 to 18V)
Specifications
Parameter
Maximum Ratings at Ta = 25°C
Symbol VIN max VBT max VSW max VBS-SW max VEN max Vfs max Pd max Tj max Topr Tstg Mount on a specified board
- 1 Conditions Ratings 20 25 VIN max 7 20 7 2.05 150 -20 to 80 -40 to 150 Unit V V V V V V W °C °C °C Maximum input VIN voltage BOOT pin maximum voltage SW pin maximum voltage BOOT pin-SW pin maximum voltage EN Maximum Voltage FB, P, SS pin maximum voltage Allowable power dissipation Junction temperature Operating temperature Storage temperature
- 1: 46.4mm х 31.8mm х 1.7mm Four layers glass epoxy substrate. Note: Plan the maximum voltage while including coil and surge voltages, so that the maximum voltage is not exceeded even for an instant.
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