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What is BD46252?

This electronic component, produced by the manufacturer "ROHM Semiconductor", performs the same function as "Counter Timer Built-in CMOS Voltage Detector IC".


BD46252 Datasheet PDF - ROHM Semiconductor

Part Number BD46252
Description Counter Timer Built-in CMOS Voltage Detector IC
Manufacturers ROHM Semiconductor 
Logo ROHM Semiconductor Logo 


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Datasheet
Voltage Detector IC Series
Counter Timer Built-in
CMOS Voltage Detector IC
BD45xxx series BD46xxx series
General Description
ROHM’s BD45xxx and BD46xxx series are highly
accurate, low current consumption Voltage Detector ICs.
Because the counter timer delay circuit is built into
these series, an external capacitor for the delay time
setting is unnecessary. The lineup was established with
low output types (Nch open drain and CMOS output)
and detection voltages range from 2.3V to 4.8V in
increments of 0.1V, so that the series may be selected
according the application at hand.
Features
„ Counter Timer Built-in
„ No delay time setting external capacitor required
„ Ultra-low current consumption
„ Two output types (Nch open drain and CMOS output)
„ Package SSOP5 is similar to SOT-23-5 (JEDEC)
Key Specifications
„ Detection voltage:
2.3V to 4.8V (Typ.)
„ High accuracy detection voltage:
„ Ultra-low current consumption:
„ Operating temperature range:
0.1V steps
±1.0%
0.85µA (Typ.)
-40°C to +105°C
„ Three internal, fixed delay time:
50ms
100ms
200ms
Package
SSOP5
2.90mm x 2.80mm x 1.25mm
Applications
Circuits using microcontrollers or logic circuits that
require a reset.
Typical Application Circuit
VDD1
VDD2
BD45xxx
RL
Micro
RST controller
CL
Noise-filtering
Capacitor
Open Drain Output Type
BD45xxx series
Connection Diagram
SSOP5
VDD
VOUT
GND
TOP VIEW
Marking
Lot. No
ER SUB GND
VDD1
BD46xxx
RST
Micro
controller
GND
CL
Noise-filtering
Capacitor
CMOS Output Type
BD46xxx series
Pin Descriptions
PIN No. Symbol
Function
1 ER Manual Reset
2
SUB
Substrate *
3
GND
GND
4
VOUT
Reset Output
5 VDD Power Supply Voltage
*Connect the substrate to GND.
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed for protection against radioactive rays
1/13
TSZ02201-0R7R0G300010-1-2
15.Nov.2013 Rev.007

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BD46252 equivalent
BD45xxx series BD46xxx series
Datasheet
Electrical characteristics (Unless Otherwise Specified Ta=-40 to 105°C) - continued
Parameter
Symbol
Condition
Operating Voltage Range
VOPL
VOL0.4V, RL=470k, Ta=25 to 105°C
VOL0.4V, RL=470k, Ta=-40 to 25°C
‘High’ Output Voltage (Pch)
VOH
VDD=4.8V, ISOURCE= 1.0 mA, VDET(2.3V to 4.2V)
VDD=6.0V, ISOURCE= 1.2 mA, VDET(4.3V to 4.8V)
‘Low’Output Voltage (Nch)
Leak Current when OFF
ER Pin ‘H’ Voltage
ER Pin ‘L’ Voltage
VOL
Ileak
VEH
VEL
VDD=1.2V, ISINK = 0.45 mA
VDD=2.4V, ISINK = 1.3 mA, VDET(2.7V to 4.8V)
VDD=VDS=10V
*1
*1
*1
ER Pin Input Current
IEL
VDET(T):Standard Detection Voltage (2.3V to 4.8V, 0.1V step)
RL :Pull-up resistor to be connected between VOUT and power supply.
CL :Capacitor to be connected between VOUT and GND.
*1 Guarantee is Ta=25°C.
Attention: Please connect the GND when you don’t use ‘ER’
Min.
0.95
1.20
VDD-0.5
VDD-0.5
-
-
-
2.0
-
-
Limit
Typ.
-
-
-
-
-
-
-
-
-
1
Max.
-
-
-
-
0.3
0.3
0.1
-
0.8
10
Unit
V
V
V
µA
V
V
µA
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
5/13
TSZ02201-0R7R0G300010-1-2
15.Nov.2013 Rev.007


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