BU4337G-TR datasheet, PDF - EEWORLD Datasheet

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BU4337G-TR: DescriptionSupervisory Circuits CMOS LOW VOLT DETEC; CategoryPower/power management The power supply circuit; File Size459KB，17 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BU4337G-TR Overview

Supervisory Circuits CMOS LOW VOLT DETEC

BU4337G-TR 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	LSSOP, TSOP5/6,.11,37
Contacts	5
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	7 weeks
Other features	DETECTION THRESHOLD VOLTAGE IS 3.7V
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G5
length	2.9 mm
Number of channels	1
Number of functions	1
Number of terminals	5
Maximum operating temperature	125 °C
Minimum operating temperature	-25 °C
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Encapsulate equivalent code	TSOP5/6,.11,37
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	1.8/5 V
Certification status	Not Qualified
Maximum seat height	1.25 mm
Nominal supply voltage (Vsup)	2.4 V
surface mount	YES
technology	CMOS
Temperature level	OTHER
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Threshold voltage nominal	+3.7V
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.6 mm

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Datasheet

Voltage Detector IC Series

Low Voltage Free Delay Time Setting

CMOS Voltage Detector IC Series

BU42xx series

BU43xx series

●Key

Specifications

Detection voltage:

0.9V to 4.8V (Typ.)

0.1V steps

High accuracy detection voltage:

±1.0%

Ultra-low current consumption:

0.55µA (Typ.)

Operating temperature range:

-40° to +125°

●Package

SSOP5:

2.90mm x 2.80mm x 1.25mm

SOP4:

VSOF5:

2.00mm x 2.10mm x 0.95mm

1.60mm x 1.60mm x 0.60mm

●General

Description

ROHM’s BU42xx and BU43xx series are CMOS Voltage

Detector ICs with adjustable output delay. It is a

high-accuracy, low current consumption Voltage Detector

IC series with a built-in delay circuit. The lineup was

established with two output types (Nch open drain and

CMOS output) and detection voltages range from 0.9V to

4.8V in increments of 0.1V, so that the series may be

selected according to application.

●Features

Delay Time Controlled by external Capacitor

Two output types (Nch open drain and CMOS output)

Ultra-low current consumption

Wide operating temperature range

Very small and low height package

Package SSOP5 and SOP4 is similar to SOT-23-5

and SC-82 respectively (JEDEC)

●Typical

Application Circuit

DD1

DD2

●Applications

Circuits using microcontrollers or logic circuits that require

a reset.

DD1

BU42xx

Micro

controller

BU43xx

Micro

controller

(Capacitor for

noise filtering)

(Capacitor for

noise filtering)

GND

Open Drain Output type

BU42xx series

●Connection

Diagram & Pin Descriptions

SSOP5

SOP4

N.C.

TOP VIEW

CMOS Output type

BU43xx series

OUT

VSOF5

TOP VIEW

GND V

Marking

Lot. No

Marking

GND

Symbol

No.

GND

OUT

Lot. No

Marking

1 2 3

OUT

SUB C

Lot. No

OUT

Symbol

No.

OUT

GND

N.C.

GND

Function

GND

Power supply voltage

Capacitor connection

terminal for output

delay time

Reset output

Symbol

No.

OUT

SUB

GND

Function

Reset output

Substrate*

Capacitor connection

terminal for output

delay time

Power supply voltage

GND

Reset output

Power supply voltage

GND

Unconnected terminal

Capacitor connection

terminal for output

delay time

*Connect the substrate to V

○Product

structure：Silicon monolithic integrated circuit

○This

product is not designed for protection against radioactive rays

www.rohm.com

TSZ02201-0R7R0G300050-1-2

1/13

03.Feb.2014 Rev.008

TSZ22111・14・001

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