DIG-11-8-30-DD DIONICS, Inc., DIG-11-8-30-DD Datasheet

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DIG-11-8-30-DD

Manufacturer Part Number
DIG-11-8-30-DD
Description
Pv Mosfet Driver With Active Dynamic Discharge
Manufacturer
DIONICS, Inc.
Datasheet
1.DIG-11-8-30-DD.pdf (4 pages)
Features:
Description:
The photovoltaic MOSFET-driver is a State-of- the-Art, optically coupled floating power source used primarily to control
MOSFETs or IGBTs when electrical isolation between input and output is required.
In addition to the infrared LED and photovoltaic (PV) diode array, each of the DD (Dynamic Discharge) products
contains circuitry that rapidly discharges the power MOSFET gate when the LED is deactivated. The unique rapid
discharge features of the photovoltaic MOSFET-drivers make them particularly useful for high-side switching of N-
channel MOSFETs in solid-state relays, DC motor control and switching regulator applications.
The typical input circuit to the LED is a limiting resistor connected in series with the LED. When activated, the LED
emits infrared light towards the photovoltaic diode array, which then responds by generating an open circuit voltage (V
thus disabling the turn-off circuitry. The self-limiting photovoltaic output of the diode array is floating and therefore, can
be safely applied directly to the gate and source of a MOSFET, regardless of the source potential of the MOSFET. When
the LED is deactivated, the active turn-off circuit discharges the capacitive input of the MOSFET. The active turn-off
circuitry is designed such that the turn-off time of the MOSFET is relatively independent of the input capacitance of the
MOSFET over a range of 50 to 5000 pF. Standard packages include low cost plastic mini-dips and hermetic 8-pin DIP
ceramic side brazed.
0.025
Photovoltaic MOSFET Drivers With Dynamic Discharge*
DIG-11
8-30-DD
xxxx
Fast Turn Off, Active Gate Discharge
Dielectrically Isolated
Logic Circuit Compatibility
High Open Circuit Voltage
High Operating Temperature
Fast Response Time
High Isolation Resistance
Excellent Input/Output Linearity
Self Limiting Gate Voltage
0.380
0.070
Package Layout:
DIG-11-8-30-DD; DIG-12-8-30-DD; DIG-22-8-30-DD
DIONICS, INC.
65 Rushmore Street
Westbury, NY 11590
0.020
0.025
DIG-12
8-30-DD
xxxx
0.380
0.070
0.020
Pin Designation
Number
Pin
Applications:
1
2
3
4
5
6
7
8
Gate Drive For MOS devices
Gate Drive For SCR
Solid-State Relays
Interface Between Logic Circuits & External Loads
A.T.E. (Automatic Test Equipment)
Switching Equipment
Isolation Amplifiers
Load Control From Microprocessor I/O Ports
Thermocouple Open Detectors
Not Connected Not Connected
Not Connected Not Connected
Not Connected
Not Connected
11-8-30-DD
Output +
Output -
Input +
Input -
Website:
Part Number
12-8-30-DD
Output1+
Output2+
Output1-
Output2-
Phone: (516) 997-7474
Input +
www.dionics-usa.com
Input -
Fax: (516) 997-7479
*US Patent 4,931,656
22-8-30-DD
Output2+
Output1+
Output2-
Output1-
Input 1+
Input 2+
Input 1-
Input 2-
10/2006
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DIG-11-8-30-DD Summary of contents

Page 1

... DIONICS, INC. 65 Rushmore Street Westbury, NY 11590 DIG-11-8-30-DD; DIG-12-8-30-DD; DIG-22-8-30-DD Photovoltaic MOSFET Drivers With Dynamic Discharge* Features: Fast Turn Off, Active Gate Discharge Dielectrically Isolated Logic Circuit Compatibility High Open Circuit Voltage High Operating Temperature Fast Response Time High Isolation Resistance Excellent Input/Output Linearity ...

Page 2

... DIG-11-8-30-DD; DIG-12-8-30-DD; DIG-22-8-30-DD Equivalent Circuits LED PV T.O Cir DIG-11-8-30-DD LED Forward Current LED Forward Current LED Reverse Voltage Output Discharge Current Operating Temperature Range Operating Temperature Range Storage Temperature Power Dissipation Individual Channel Electrical Characteristics (T Model Number Parameter & Test Condition ...

Page 3

... Cir T.O Cir 100 Ohms LED PV T.O Cir DIG-11-8-30-DD 8 100 Ohms 1 LED T.O Cir DIG-11-8-30-DD 8 100 Ohms 1 LED T.O Cir DIG-11-8-30-DD Output Enh. Enh. Output Enh. Output Dep. N/O Output N/C Output Output - Rs NPN Enh. Output + Vcc - Enh. Output Enh. Vcc + ...

Page 4

... Directional Motor Control Drive: 100 Ohms 5V DC Direction 100 Ohms LED PV T.O Cir DIG-11-8-30-DD 470 Ohms 1 LED PV 330 Ohms LM129 2 500 Ohms 62 Ohms DIG-11-8-30- LED PV T.O Cir DIG-11-8-30- LED PV T.O Cir DIG-11-8-30-DD Load 8 T.O Cir VCC Speed Speed - VCC ...

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