BD9845FV-E2 datasheet, PDF - EEWORLD Datasheet

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BD9845FV-E2: DescriptionSwitching Voltage Regulators 3.6-35V 100-1500kHz 1 Chan Step-Down; CategoryPower/power management The power supply circuit; File Size1MB，29 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BD9845FV-E2 Overview

Switching Voltage Regulators 3.6-35V 100-1500kHz 1 Chan Step-Down

BD9845FV-E2 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	ROHM Semiconductor
Parts packaging code	SSOP
package instruction	SSOP, TSSOP14,.25
Contacts	14
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	10 weeks
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	VOLTAGE-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	35 V
Minimum input voltage	3.6 V
Nominal input voltage	6 V
JESD-30 code	R-PDSO-G14
length	5 mm
Number of functions	1
Number of terminals	14
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output current	0.002 A
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Encapsulate equivalent code	TSSOP14,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
surface mount	YES
Switch configuration	SINGLE
Maximum switching frequency	1500 kHz
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	10
width	4.4 mm

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Datasheet

3.6V to 35V Input 1ch

Buck Controller

BD9845FV

General Description

BD9845FV is a switching regulator controller that uses

pulse width modulation. This IC can be used for

step-down DC/DC converter applications. BD9845FV is

available in a compact package that is optimum for

compact power supplies of many kinds of equipment.

Key Specifications



Supply Voltage Range:

3.6V to 35V

Error Amplifier Reference Voltage:

1.0V±1%

Oscillation Frequency:

100kHz to 1500kHz

Standby Current:

0µA(Typ)

Operating Temperature Range:

-40°C to +85°C

W(Typ) x D(Typ) x H(Max)

Features



Operates up to (V

=35V)

Contains FET Driver Circuit (Step-Down Circuit 1

output).

REG Output Circuit (2.5V) are contained.

Built-In Over Current Protect

Adjustable Soft Start and Pause Period.

Three modes of Standby, Master, and Slave can be

Switched. (I

CCS

= 0 µA typ during standby)

ON/OFF control is enabled independently for each

channel. (DT terminal)

Package

Applications

LCD, PDP, PC, AV, Printer, DVD, Projector TV, Fax,

Copy Machine, Measuring Instrument, etc

SSOP-B14

5.00mm x 6.40mm x 1.35mm

Typical Application Circuit

VCC

S TB

REF

VREF

VCC

VREF

VCC-

VCC

5V R E G

C 5V

IN V

OSC

REF

U V LO

TS D

VCC

E R R

P W M

DRV

VCC

-5V

OUT

(S tep-dow n )

OCP2

OCP

VCC-

OCP+

OCP-

GND

Figure 1. Typical Application Circuit

○Product

structure：Silicon monolithic integrated circuit

www.rohm.com

TSZ22111・14・001

○This

product has no designed protection against radioactive rays

1/25

TSZ02201-0Q3Q0AJ00470-1-2

06.Nov.2015 Rev.001

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