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Rohm Semiconductor Electronic Components Datasheet

BD45475 Datasheet

CMOS Voltage Detector

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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


Rohm Semiconductor Electronic Components Datasheet

BD45475 Datasheet

CMOS Voltage Detector

No Preview Available !

BD45xxx series BD46xxx series
Ordering Information
BDx x x
x
Datasheet
x x -TR
Part
Number
Output Type
45 : Open Drain
46 : CMOS
Reset Voltage Value
23 : 2.3V
0.1V step
48 : 4.8V
Counter Timer
Delay Time Settings
5 : 50ms
1 : 100ms
2 : 200ms
Package
G : SSOP5
Packaging and
forming specification
TR : Embossed tape
and reel
SSOP5
2.9±0.2
54
4°
+6°
4°
123
0.13
+0.05
0.03
S
0.95
+0.05
0.42 0.04
0.1 S
(Unit : mm)
<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
Reel
Direction of feed
Order quantity needs to be multiple of the minimum quantity.
Lineup
Table 1. Open Drain Output Type
Counter Timer Delay Time Settings
50ms
100ms
200ms
Detection
Voltage
Marking
4.8V
4.7V
4.6V
4.5V
4.4V
4.3V
4.2V
4.1V
4.0V
3.9V
3.8V
3.7V
3.6V
3.5V
3.4V
3.3V
3.2V
3.1V
3.0V
2.9V
2.8V
2.7V
2.6V
2.5V
2.4V
2.3V
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
TA
TB
TC
TD
TE
TF
TG
TH
TJ
TK
TL
TM
TN
TP
TQ
TR
Part
Number
BD45485
BD45475
BD45465
BD45455
BD45445
BD45435
BD45425
BD45415
BD45405
BD45395
BD45385
BD45375
BD45365
BD45355
BD45345
BD45335
BD45325
BD45315
BD45305
BD45295
BD45285
BD45275
BD45265
BD45255
BD45245
BD45235
Marking
TS
TT
TU
TV
TW
TX
TY
TZ
U0
U1
U2
U3
U4
U5
U6
U7
U8
U9
UA
UB
UC
UD
UE
UF
UG
UH
Part
Number
BD45481
BD45471
BD45461
BD45451
BD45441
BD45431
BD45421
BD45411
BD45401
BD45391
BD45381
BD45371
BD45361
BD45351
BD45341
BD45331
BD45321
BD45311
BD45301
BD45291
BD45281
BD45271
BD45261
BD45251
BD45241
BD45231
Marking
UJ
UK
UL
UM
UN
UP
UQ
UR
US
UT
UU
UV
UW
UX
UY
UZ
V0
V1
V2
V3
V4
V5
V6
V7
V8
V9
Part
Number
BD45482
BD45472
BD45462
BD45452
BD45442
BD45432
BD45422
BD45412
BD45402
BD45392
BD45382
BD45372
BD45362
BD45352
BD45342
BD45332
BD45322
BD45312
BD45302
BD45292
BD45282
BD45272
BD45262
BD45252
BD45242
BD45232
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/13
TSZ02201-0R7R0G300010-1-2
15.Nov.2013 Rev.007


Part Number BD45475
Description CMOS Voltage Detector
Maker Rohm
PDF Download

BD45475 Datasheet PDF






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