LV5810M Datasheet, PDF (1/5 Pages) Sanyo Semicon Device – Step-down Switching Regulator

Ordering number : ENA1558
LV5810M
Bi-CMOS IC
Step-down Switching Regulator
Overview
LV5810M is a 1ch step-down switching regulator. 0.13Ω FET is incorporated on the upper side to achieve high-efficiency
operation for large output current. Low-heat resistance and compact-package MFP8 (225mil) employed. Current mode
control type, with superior load current response and easy phase compensation ON/OFF pin, allowing the standby mode
with the current drain of 100μA or less Pulse-by-pulse over-current protection and overheat protection available for
protection of load devices Soft start pin to be provided with a capacitance for soft start.
Functions
• 2A 1ch step-down switching regulator
• Wide input dynamic range ( to 28V)
• High efficiency (90% IOUT = 1A, VIN = 12V, VO = 5V)
• Standby mode
• Over-current protection
• Thermal shutdown
• Reference voltage: 0.8V
• Fixed frequency: 370kHz
• Soft start
• Compact package: MFP8 (225mil)
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum input VIN voltage
BOOT pin maximum voltage
SW pin maximum voltage
BOOT pin-SW pin maximum voltage
FB, COMP, SS pin maximum voltage
VIN max
VBT max
VSW max
VBS-SW max
Vfs max
32
V
37
V
VIN max
V
7
V
7
V
Allowable power dissipation
Pd max
Mount on a specified board *
1.15
W
Junction temperature
Tj max
150
°C
Operating temperature
Topr
-20 to 80
°C
Storage temperature
Tstg
-40 to 150
°C
* Specified board: 46.4mm × 31.8mm ×1.7mm, glass epoxy both side.
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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Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
91609 SY 20090904-S00003 No.A1558-1/5