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Rohm Semiconductor Electronic Components Datasheet

BU4331 Datasheet

(BU42xx / BU43xx) Low Voltage Free Delay Time Setting CMOS Voltage Detector IC

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BU4331 pdf
Datasheet
Voltage Detector IC Series
Low Voltage Free Delay Time Setting
CMOS Voltage Detector IC Series
BU42xx series BU43xx series
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
VDD1
VDD2
Key Specifications
„ Detection voltage:
0.9V to 4.8V (Typ.)
0.1V steps
„ High accuracy detection voltage:
„ Ultra-low current consumption:
„ Operating temperature range:
±1.0%
0.55µA (Typ.)
-40°C to +125°C
Package
SSOP5:
2.90mm x 2.80mm x 1.25mm
SOP4:
2.00mm x 2.10mm x 0.95mm
VSOF5:
1.60mm x 1.60mm x 0.60mm
Applications
Circuits using microcontrollers or logic circuits that require
a reset.
VDD1
RL
BU42xx
RST
Micro
controller
CIN CT
CL
(Capacitor for
noise filtering)
Open Drain Output type
GND
BU42xx series
Connection Diagram & Pin Descriptions
SSOP5
TOP VIEW
CT
N.C.
SOP4
TOP VIEW
CIN
GND
VOUT CT
43
BU43xx
CT
RST
Micro
controller
CL
(Capacitor for
noise filtering)
CMOS Output type
BU43xx series
VSOF5
TOP VIEW
GND VDD
54
Marking
VOUT
PIN
No.
Symbol
Lot. No
VDD GND
Function
Marking
PIN
No.
Symbol
12
GND VDD
Function
Lot. No
Marking 1 2 3
VOUT SUB CT
Lot. No
PIN
No.
Symbol
Function
1 VOUT Reset output
1 GND GND
1 VOUT Reset output
2 VDD Power supply voltage
2 VDD Power supply voltage
2 SUB Substrate*
3 GND GND
Capacitor connection
3 CT terminal for output
delay time
Capacitor connection
3 CT terminal for output
delay time
4 N.C. Unconnected terminal
4 VOUT Reset output
4 VDD Power supply voltage
Capacitor connection
5 CT terminal for output
delay time
5 GND GND
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
*Connect the substrate to VDD
This product is not designed for protection against radioactive rays
1/13
TSZ02201-0R7R0G300050-1-2
2.Aug.2013 Rev.007
Free Datasheet http://www.datasheet4u.com/


Rohm Semiconductor Electronic Components Datasheet

BU4331 Datasheet

(BU42xx / BU43xx) Low Voltage Free Delay Time Setting CMOS Voltage Detector IC

No Preview Available !

BU4331 pdf
BU42xx series BU43xx series
Ordering Information
BUx x x x
Datasheet
x -TR
Part
Number
Output Type
42 : Open Drain
43 : CMOS
Reset Voltage Value
09 : 0.9V
0.1V step
48 : 4.8V
Package
G : SSOP5
F : SOP4
FVE : VSOF5
Packaging and
forming specification
TR : Embossed tape
and reel
SSOP5
SOP4
2.9±0.2
54
123
4°
+6°
4°
0.13
+0.05
0.03
<Tape and Reel information>
Tape
Quantity
Embossed carrier tape
3000pcs
Direction
of feed
TR
( )The direction is the 1pin of product is at the upper right when you hold
reel on the left hand and you pull out the tape on the right hand
1pin
+0.05
0.42 0.04
0.95
0.1
(Unit : mm)
Reel
Direction of feed
Order quantity needs to be multiple of the minimum quantity.
2.0±0.2
1.3
43
4°
+6°
–4°
VSOF5
1.6 ± 0.05
1.0 ± 0.05
54
12
0.05
0.13
+0.05
–0.03
S
0.42
+0.05
–0.04
0.1 S
0.32
+0.05
–0.04
(Unit : mm)
12
3
0.13 ± 0.05
0.5 0.22±0.05
(Unit : mm)
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/13
TSZ02201-0R7R0G300050-1-2
2.Aug.2013 Rev.007
Free Datasheet http://www.datasheet4u.com/


Part Number BU4331
Description (BU42xx / BU43xx) Low Voltage Free Delay Time Setting CMOS Voltage Detector IC
Maker Rohm
Total Page 16 Pages
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