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BD9870FPS_09

Description
IC REG BUCK 1.5A TO252S
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,19 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Download Datasheet Compare View All

BD9870FPS_09 Overview

IC REG BUCK 1.5A TO252S

Datasheet
8.0V to 35V, 1.5A 1ch
Buck Converter with Integrated FET
BD9870FPS
General Description
The BD9870FPS is a single-channel step-down
switching regulator integrated with a P-Channel
MOSFET capable of PWM operation at 900 kHz. It
employs the use of smaller coil and circuitry to eliminate
the need for external compensation. The circuitry
consists only of a diode, coil and ceramic capacitor thus
reducing the board size significantly.
Key Specifications
Input Voltage Range:
8.0V to 35.0V
Output Voltage Range:1.0V to0.8Vx(V
CC
-I
OUT
xR
ON
)V
Output Current:
1.5A(Max)
Switching Frequency:
900kHz(Typ)
Output ON-Resistance:
1.0Ω(Typ)
Standby Current:
0μA (Typ)
Operating Temperature Range:
-40°C to +85°C
Features
Built-in P-Channel MOSFET for High Efficiency
Adjustable Output Voltage Via External Resistors
Soft-Start Time: 5ms (Fixed)
Built-In Over-Current Protection and Thermal
Shutdown Circuits
ON/OFF Control Via STBY Pin
Ceramic Output Capacitor Compatibility
Package
W(Typ) x D(Typ) x H(Max)
Applications
TVs, Printers, DVD Players, Projectors, Gaming
Devices, PCs, Car Audio/Navigation Systems, ETCs,
Communication Equipment, AV Products, Office
Equipment, Industrial Devices, and more.
TO252S-5
6.50mm x 9.50mm x 1.30mm
Typical Application Circuit
V
IN
VCC
L
1
OUT
Vo
C
IN0
C
IN1
Figur
e 6.
Oscill
ator
Freq
uenc
y vs.
Suppl
y
Volta
ge
D
1
C
O
R
1
STBY
INV
R
2
GND
Figure 1. Typical Application Circuit
○Product
structure:Silicon monolithic integrated circuit
www.rohm.com
.
©2014 ROHM Co., Ltd. All rights reserved.
TSZ22111½14½001
○This
product has no designed protection against radioactive rays
1/16
TSZ02201-0Q3Q0AJ00430-1-2
05.Nov.2014 Rev.001

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BD9870FPS_09 BD9870FPS
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