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HCPL-0370 Datasheet Preview

HCPL-0370 Datasheet

Isolated Voltage/Current Detectors

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HCPL-0370, HCPL-3700, HCPL-3760
Isolated Voltage/Current Detectors
Data Sheet
Lead (Pb) Free
RoHS 6 fully
compliant
RoHS 6 fully compliant options available;
-xxxE denotes a lead-free product
Description
The HCPL-0370/3700 and HCPL-3760 are voltage/cur-
rent threshold detection optocouplers. The HCPL-3760 is
a low-current version of the HCPL-0370/3700. To obtain
lower current operation, the HCPL-3760 uses a high-effi-
ciency AlGaAs LED which provides higher light output at
lower drive currents. The devices utilize threshold sens-
ing input buffer ICs which permit control of threshold
levels over a wide range of input voltages with a single
external resistor.
The input buffer incorporates several features: hysteresis
for extra noise immunity and switching immunity, a di-
ode bridge for easy use with ac input signals, and inter-
nal clamping diodes to protect the buffer and LED from
a wide range of over-voltage and over-current transients.
Because threshold sensing is done prior to driving the
LED, variations in optical coupling from the LED to the
detector will have no effect on the threshold levels.
Functional Diagram
AC 1
DC+ 2
8 VCC
7 NC
Features
Standard (HCPL-0370/3700) and low input current
(HCPL‑3760) versions
AC or DC input
Programmable sense voltage
Hysteresis
Logic compatible output
Thresholds guaranteed over temperature
Thresholds independent of LED optical parameters
Recognized under UL 1577 and CSA approved for
dielectric withstand proof test voltage of 3750 Vac, 1
minute
Applications
Limit switch sensing
Low voltage detector
AC mains and DC link voltage detection
Relay contact monitor
Relay coil voltage monitor
Current sensing
Microprocessor interfacing
DC- 3
6 VO
AC 4
5 GND
TRUTH TABLE
(POSITIVE LOGIC)
INPUT OUTPUT
HL
LH
HCPL-3700 Functional Diagram
CAUTION: It is advised that normal static precautions be taken in handling and assembly
of this component to prevent damage and/or degradation which may be induced by ESD.




Avago

HCPL-0370 Datasheet Preview

HCPL-0370 Datasheet

Isolated Voltage/Current Detectors

No Preview Available !

The HCPL-0370/3700’s input buffer IC has a nominal turn on threshold of 2.5 mA (ITH +) and 3.7 volts (VTH +).
The buffer IC for the HCPL-3760 was redesigned to permit a lower input current. The nominal turn on threshold for the
HCPL-3760 is 1.2 mA (ITH +) and 3.7 volts (VTH +).
The high gain output stage features an open collector output providing both TTL compatible saturation voltages and
CMOS compatible breakd­ own voltages.
By combining several unique functions in a single package, the user is provided with an ideal component for indus-
trial control computer input boards and other applications where a pre­deter­mined input threshold level is desirable.
Ordering Information
HCPL-0370/HCPL-3700/HCPL-3760 is UL Recognized with 3750 Vrms for 1 minute per UL1577 unless otherwise
specified.
Part
number
Option
RoHS Non-RoHS
Compliant Compliant
Package
Surface
Mount
Gull
Wing
Tape
& Reel
UL 5000
Vrms/1 IEC/EN/DIN
Minute EN 60747-5-5 Quantity
HCPL-
0370
-000E
-500E
No option
-500
SO-8
X
X
X
100 per tube
1500 per reel
-060E
NA
X
X 100 per tube
-560E
NA
X
X
X 1500 per reel
HCPL-
3700
-000E
-300E
No option 300 mil
#300
DIP-8
X
X
50 per tube
50 per tube
-500E
#500
XXX
1000 per reel
-020E
-020
X 50 per tube
-320E
-320
XX
X 50 per tube
-520E
-520
XXX X
1000 per reel
-060E
NA
X 50 per tube
-360E
NA
XX
X 50 per tube
-560E
NA
XXX
X 1000 per reel
HCPL-
3760
-000E
-300E
No option 300 mil
#300
DIP-8
X
X
50 per tube
50 per tube
-500E
#500
XXX
1000 per reel
-060E
NA
X 50 per tube
-360E
NA
XX
X 50 per tube
-560E
NA
XXX
X 1000 per reel
Note:
NA = Not available.
To order, choose a part number from the part number column and combine with the desired option from the option
column to form an order entry.
Example 1: HCPL-3760-500E to order product of Gull Wing Surface Mount package in Tape and Reel packaging with
and RoHS compliant.
Example 2: HCPL-3700 to order product of 300 mil DIP package in Tube packaging and non RoHS compliant.
Option datasheets are available. Contact your Avago sales representative or authorized distributor for information.
Remarks: The notation ‘#XXX’ is used for existing products, while (new) products launched since July 15, 2001 and
RoHS compliant will use ‘–XXXE.’
2


Part Number HCPL-0370
Description Isolated Voltage/Current Detectors
Maker Avago
Total Page 14 Pages
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