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BD95850F-LB 반도체 회로 부품 판매점

EARTH LEAKAGE CURRENT DETECTOR IC



ROHM Semiconductor 로고
ROHM Semiconductor
BD95850F-LB 데이터시트, 핀배열, 회로
Datasheet
EARTH LEAKAGE CURRENT DETECTOR IC SERIES
EARTH LEAKAGE
CURRENT DETECTOR IC
BD95850F-LB
Description
This is the product guarantees long time support in
Industrial market.
The BD95850F-LB is the monolithic IC integrates earth
leakage detection, signal amplification, and overvoltage
detection .
Especially, it’s suitable for high-sensitivity and high
-speed operation use, and, since the operating
temperature range is wide, it can be used for various
applications.
Features
Long Time Support Product for Industrial Applications
Small Temperature Fluctuation
and High Input Sensitivity
Wide Operating Temperature Range
Detection Mode Selectable
(1 count method /1.5 count method)
Applications
Earth leakage circuit breaker
Earth leakage circuit relay
Industrial equipment
Key Specifications
Operating Supply Voltage Range:
7V to 13V
Operating Temperature Range:
-30°C to +95°C
Supply Current:
830μA(Typ)
Trip Voltage(Leakage Detection DC Voltage): 7.5mV
Output Current Ability :
-100μA(Min)
Package
SOP14
W(Typ) x D(Typ) x H(Max)
8.70mm x 6.20mm x 1.71mm
Typical Application Circuit Example
Trip
Coil
VCC
SCR
VCC CTTDC COFFC
COS
RVS
CVS VZ 14 13 12 11 10 9 8
VS
VCC PSAV IBLI
TTDC OFFC SCRT
Power
Supply
Overvoltage Reset
Detection
SCR
Driver
Leakage Detection
IREF VREF ILKI
TRC1 TRC2 PSEL
1234567
CRC1 CRC2
VCC
ZCT:Zero-phase Current Transformer
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 .14.001
This product has no designed protection against radioactive rays
1/19 TSZ02201- 0RCR1GZ00130-1-2
13.Jun.2014 Rev.001


BD95850F-LB 데이터시트, 핀배열, 회로
BD95850F-LB
Datasheet
Pin Configurations
SOP14
(TOP VIEW)
14 13 12 11 10 9 8
Block Diagrams
14
VS
13
VCC
Power Supply
12
PSAV
11 10
IBLI TTDC
Overvoltage
Detection
9
OFFC
Reset
8
SCRT
SCR
Drive
Leakage Detection
123456 7
IREF
VREF
ILKI
TRC1
TRC2
PSEL
1234567
Pin Descriptions
Pin No. Symbol
Function
Pin No. Symbol
Function
1 GND Ground
8 SCRT Output for driving thyristor
2
IREF
Connect a resistor to set constant
current of the internal circuits
9
OFFC Connect a capacitor to set reset time
3 VREF Reference voltage output
10
TTDC
Connect a capacitor to set over-voltage
detection time
4 ILKI Input of leakage detection signal 11 IBLI Input of over-voltage detection signal
5
TRC1
Connect a capacitor for charge
current of negative detection
6
TRC2
Connect a capacitor for charge
current of positive detection
7
PSEL
Logic function switching pin for
leakage detection
12
PSAV
Enable pin for overvoltage detection
function
13 VCC Internal power supply
14 VS Power supply
Absolute Maximum Ratings
(TA=25°C)
Parameter
Symbol
Rating
Unit
Condition
Supply Current
Supply Voltage (Note 1)
IS 4 mA
VS 18
V
Input Voltage
VΔIN -1.5 to +1.5
V across ILKI and VREF
Input Current
IΔIN -5 to +5 mA across ILKI and VREF
Input Current of VREF
Input Voltage
Input Voltage of Overvoltage Detection
IVREF
VXXXX
VIBLI
10
8
-0.3 to +5.0
mA across VREF and GND
IREF/REF/IN/TRC1/TRC2/
V PSEL/SCRT/OFFC/PSAV/
TTDC/VCC/IBLI
V across IBLI and GND
Input Current of Overvoltage Detection
Power Dissipation
IIBLI 4 mA across IBLI and GND
PD 0.56 (Note 2) W
Operating Temperature
Topr -30 to +95
°C
Storage Temperature
Tstg -55 to +150
°C
(Note 1) Supply voltage is limited by internal clamping circuit . Please refer to maximum current voltage of the electrical characteristic item.
(Note 2) Mounted on 70mm x 70mm x 1.6mm glass epoxy board. Reduce 4.5mW per 1°C above 25°C.
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open
circuit between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is
operated over the absolute maximum ratings.
Recommended Operating Conditions
Parameter
Supply Voltage
Symbol
VSopr
Rating
7 to 13
Unit
V
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 .15.001
2/19
TSZ02201- 0RCR1GZ00130-1-2
13.Jun.2014 Rev.001




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BD95850F-LB detector

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EARTH LEAKAGE CURRENT DETECTOR IC - ROHM Semiconductor