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AR236.B & AR232.B
 
APAR AR236.B & AR232.B radio loggers
JZ-500 and JZ-500-C black
 
JZ-500 and JZ-500-C black cables manufac
HF41F
 
HF41F subminiature power relays from HON
GT-900B
 
GOLDTOOL toolsets in cases
Intel® Neural Compute Stick 2
 
RS Components announces availability of
MC4
 
MC4 solar connector sets
WIHA-SB24670
 
Multifunctional WIHA LED Torch
G2RV-SR
 
G2RV-SR interface relays from OMRON
LUP-20-LED
 
LUP-20-LED-SMD desktop magnifier
LinkSwitch™-XT2
 
Power Integrations Unveils High-Efficien

ADuM4122 Adjustable Slew Rate, Single Isolated Gate Driver

ADuM4122 Adjustable Slew Rate, Single Isolated Gate Driver

Analog Devices' gate driver, 3 A short-circuit (less than 3 Ω) is ideal for applications such as switching power supplies

Analog Devices' ADuM4122 is an isolated, single device, dual output driver that uses iCoupler® technology to provide precision isolation and provides 5 kVRMS isolation in the wide-body, 8-lead SOIC package. These isolation components combine high-speed complementary metal-oxide-semiconductor (CMOS) and monolithic transformer technology to provide performance characteristics superior to alternatives such as a combination of pulse transformers and gate drivers.

The ADuM4122 operates with an input supply voltage range from 3.3 V to 6.5 V providing compatibility with lower voltage systems. Unlike gate drivers that employ high-voltage level translation methodologies, the ADuM4122 offers true galvanic isolation between the input and the output regions.

The ADuM4122 features two output pins that facilitate slew rate control of two output drive strengths. The VOUT pin follows the logic of the VIN+ pin while the boosting output, VOUT_SRC can be toggled to follow the VIN+ pin or to go high-Z. The toggling of the slew rate is controlled by the primary side. Slew rate control can allow for electromagnetic interference (EMI) mitigation and voltage overshoot control. An internal thermal shutdown sets outputs low if internal temperatures on the ADuM4122 exceed the thermal shutdown temperature.

The gate drivers provide reliable control over the switching characteristics of insulated gate bipolar transistor (IGBT) and metal-oxide-semiconductor field effect transistor (MOSFET) configurations over a wide range of switching voltages allowing for simple slew rate control.

Features
  • 2 A output current per output pin (< 3 Ω RDS(ON)_X)
  • 3 A peak short-circuit current
  • 3.3 V to 6.5 V, VDD1
  • 4.5 V to 35 V, VDD2
  • Positive going threshold, UVLO at 3.3 V VDD1
  • Multiple positive going thresholds, UVLO options on VDD2:
    • Grade A: 4.4 V (typ.) positive going threshold, UVLO
    • Grade B: 7.3 V (typ.) positive going threshold, UVLO
    • Grade C: 11.3 V (typ.) positive going threshold, UVLO
  • Precise timing characteristics:
    • 48 ns (max.) propagation delay for falling edge
  • Wide-body, 8-lead SOIC_IC
  • CMOS input logic levels
  • High common-mode transient immunity: > 150 kV/µs
  • High junction operating temperature: +125°C
  • Default low output
  • Selectable slew rate control
  • Safety and regulatory approvals (pending):
    • UL recognition per UL 1577:
      • 5 kVRMS for 1 minute
    • CSA component acceptance notice 5A
    • VDE certificate of conformity (pending):
      • DIN V VDE V 0884-10
      • VIORM: 849 V peak
Applications
  • Switching power supplies
  • Isolated IGBT and MOSFET gate drivers
  • Industrial inverters

Evaluation Board

Image Manufacturer Part Number Description Type Function Embedded   View Details
EVAL BOARD FOR ADUM4122 EVAL-ADUM4122EBZ EVAL BOARD FOR ADUM4122 Power Management Gate Driver No   View Details

ADuM4122 Isolated Single Gate Drivers
Image Manufacturer Part Number Description   View Details
IGBT GATE DRIVER W/ SLEW RATE CO ADUM4122ARIZ IGBT GATE DRIVER W/ SLEW RATE CO   View Details
IGBT GATE DRIVER W/ SLEW RATE CO ADUM4122BRIZ IGBT GATE DRIVER W/ SLEW RATE CO   View Details
IGBT GATE DRIVER W/ SLEW RATE CO ADUM4122CRIZ IGBT GATE DRIVER W/ SLEW RATE CO   View Details
IGBT GATE DRIVER W/ SLEW RATE CO ADUM4122ARIZ-RL IGBT GATE DRIVER W/ SLEW RATE CO   View Details
IGBT GATE DRIVER W/ SLEW RATE CO ADUM4122BRIZ-RL IGBT GATE DRIVER W/ SLEW RATE CO   View Details
IGBT GATE DRIVER W/ SLEW RATE CO ADUM4122CRIZ-RL IGBT GATE DRIVER W/ SLEW RATE CO   View Details

2019061307 / 08.07.2019 / Electronic-components / Digi-Key Electronics /

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Calendary
NEPCON Japan, Nagoya, 18.9.-20.9.2019
SEMICON TAIWAN, Taipei, 18.9.-20.9.2019
BATTERY JAPAN, Osaka, 25.9.-27.9.2019
electronicAsia 2019, Hong Kong, 13.10.-16.10.2019
Hong Kong Electronics Fair, 13.10.-16.10.2019
TAITRONICS 2019, Taipei, Taiwan, 16.10.-18.10.2019
productronica 2019, Munich, DE, 12.-15.11.2019
NEPCON Japan, Tokio, 15.1.-17.1.2020
DistribuTECH, 28.1.-30.1.2020, San Antonio, TX
BATTERY JAPAN, Tokyo, 26.2.-28.2.2020
BATTERY JAPAN, Osaka, 9.9.-11.9.2020
IMTS2020, 14.9.-19.9.2020, Chicago, IL
ISE 2021, Barcelona, Spain, 2.2.-5.2.2021
DistribuTECH, 9.2.-11.2.2021, San Diego, CA
BATTERY JAPAN, Tokyo, 3.3.-5.3.2021
BATTERY JAPAN, Osaka, 29.9.-1.10.2021
DistribuTECH, 25.1.-27.1.2022, Dallas, TX
DistribuTECH, 7.2.-9.2.2023, San Diego, CA
DistribuTECH, 23.1.-25.1.2024, Indianapolis, IN
DistribuTECH, 11.2.-13.2.2025, Dallas, TX
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