MOSFET Drivers Improve Efficiency with High Switching Speeds and Overtemperature Protection

NORWOOD, Mass.--(EON: Enhanced Online News)--Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal-processing applications, today announced a family of new high-speed 18-volt MOSFET drivers that provide 2-A (amps) and 4-A peak currents. Among the industry’s fastest, they feature propagation delays of 14 ns to 35 ns (nanoseconds) and edge rise/fall times of 10 ns to 25 ns. The new ADP36xx MOSFET driver family improves system reliability with the inclusion of overtemperature protection, UVLO (undervoltage lockout) and precision shutdown capability. The drivers can be used to complement PWM (pulse width modulation) controllers, such as ADI’s award-winning ADP1043A digital controller, improving system efficiency, while enabling high switching frequencies in isolated power conversion and motor control systems.

These new high-current, high-speed, dual 18-volt drivers are capable of driving two independent N-channel power MOSFETs. Using industry-standard packages, the parts have an internal temperature sensor and provide two levels of overtemperature protection: warning and shutdown at extreme junction temperatures. The shutdown function, generated from a precise internal comparator, provides fast system enable or shutdown, allowing redundant overvoltage protection and complementing the protection function of the switching controller. A wide input voltage range allows the drivers to be compatible with both analog and digital PWM controllers. Digital power controllers are powered by a low voltage supply, while the drivers are powered by a higher voltage supply. UVLO and hysteresis functions allow safe startup and shutdown of the higher voltage supply when used with low-voltage digital controllers. The device families are available in thermally enhanced SOIC_EP (small outline package with exposed pad) and Mini SO_EP (mini small outline package with exposed pad) packaging to maximize high frequency drive capability in a small PCB (printed circuit board) area.

Key features and benefits of the ADP36xx family of high-speed MOSFET drivers:

Up to 18-volt input, making them ideal for 12-volt power supplies
High-speed switching provides low propagation delays and fast edge rise and fall times for improved efficiency and high-frequency operation.
Overtemperature warning and shutdown features provide improved system safety and protection.
Precision shutdown functionality provides backup protection against catastrophic failures and damage.
UVLO functionality guarantees drive integrity in all start-up and shutdown scenarios.

Availability and Pricing

Product

Samples

Availability

Supply
Voltage (V)

Temperature
Range Ambient

Price Each

Per 1000

Packaging

ADP3623

Now

4.5 to 18

−40°C to +85°C

$0.94

$0.88

Mini_SO_EP

SOIC_EP

ADP3624

Now

4.5 to 18

−40°C to +85°C

$0.94

$0.88

Mini_SO_EP

SOIC_EP

ADP3625

Now

4.5 to 18

−40°C to +85°C

$0.94

$0.88

Mini_SO_EP

SOIC_EP

ADP3629

Now

9.5 to 18

−40°C to +85°C

$0.84

$0.78

Mini_SO

SOIC

ADP3630

Now

9.5 to 18

−40°C to +85°C

$0.84

$0.78

Mini_SO

SOIC

ADP3631

Now

9.5 to 18

−40°C to +85°C

$0.84

$0.78

Mini_SO

SOIC

ADP3633

Now

9.5 to 18

−40°C to +85°C

$0.94

$0.88

Mini_SO_EP

SOIC_EP

ADP3634

Now

9.5 to 18

−40°C to +85°C

$0.94

$0.88

Mini_SO_EP

SOIC_EP

ADP3635

Now

9.5 to 18

−40°C to +85°C

$0.94

$0.88

Mini_SO_EP

SOIC_EP

ADI in Power Management

Analog Devices brings world-class signal-processing prowess to a portfolio of innovative power-management ICs that complement high-performance signal-processing functions in a wide range of portable and fixed-power applications in consumer electronics, medical equipment, industrial and instrumentation, and communications infrastructure. By supporting signal-chain design requirements, such as dynamic range, transient performance, and reliability, ADI helps customers solve complex power challenges easily and quickly, differentiate their products, and get to market faster. Learn more about ADI's power-management ICs at http://www.analog.com/power.

About Analog Devices

Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged throughout the industry as the world leader in data-conversion and signal-conditioning technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits for analog and digital signal-processing applications, Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices' common stock is listed on the New York Stock Exchange under the ticker “ADI” and is included in the S&P 500 Index. http://www.analog.com

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