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BD90521EFV-C fiches techniques PDF

ROHM Semiconductor - Synchronous Step-Down Converter

Numéro de référence BD90521EFV-C
Description Synchronous Step-Down Converter
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD90521EFV-C fiche technique
Datasheet
Secondary power supply series for automotive
2.6V to 5.5V, 2A, 0.3MHz to 2.4MHz
Synchronous Step-Down Converter
BD90521MUV-C / BD90521EFV-C
General Description
The BD90521MUV/EFV -C is a synchronous step-down
converter which operates in current mode. It can operate
with maximum frequency of 2.4 MHz, and can downsize
external parts such as inductor. It can supply a maximum
output current of 2A with built-in Pch and Nch output
MOSFET. Output voltage and oscillation frequency can
be adjusted by external resistors and can also be
synchronized with an external clock.
Features
AEC-Q100 Qualified (Note 1)
Up to 2.4MHz movement
Excellent Load Response by Current Mode Control
Built-in Pch/Nch Output MOSFET.
Frequency Synchronization with External Clock.
Output Error Monitor Terminal (PGOOD Terminal)
Adjustable Output Voltage and Oscillation Frequency
by External Resistors.
Built-in Self-Reset Type Overcurrent Protection.
Built-in Output Overvoltage/Short Circuit Detection.
Built-in Temperature Protection (TSD) and UVLO.
(Note 1: Grade 1)
Applications
Automotive Battery-Powered Supplies
(Cluster Panels, Car Multimedia)
Industrial / Consumer Supplies
Other electronic equipment
Key Specifications
Operating Temperature Range(Ta): -40°C to +125°C
Input Voltage Range:
2.6V to 5.5V
Output Current:
2.0A(Max)
Reference Voltage Accuracy:
±1.5 %
Output Voltage Range:
0.6V to 5.0V
Switching Frequency:
0.3MHz to 2.4MHz
Package
W(Typ) x D(Typ) x H(Max)
VQFP20SV4040 4.00mm x 4.00mm x 1.00mm
HTSSOP-B20
6.50mm x 6.40mm x 1.00mm
VQFN20SV4040
HTSSOP-B20
Typical Application Circuit
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
This product has no designed protection against radioactive rays
1/38
TSZ02201-0J3J0AL01130-1-2
21.Apr.2016 Rev.001

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