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IC PWR DRIVER N-CHAN 1:1 16TSSOP
1 Features
• 600-mA Rated Drain Current (Per Channel)
• CMOS Pin-to-Pin Improvement of 7-channel Darlington Array (e.g. ULN2003A)
• Power Efficient (Very low VOL) – Less Than 4 Times Lower VOL at 100 mA Than Darlington Array
• Very Low Output Leakage < 10 nA Per Channel
• Extended Ambient Temperature Range: TA = –40°C to 125°C
• High-Voltage Outputs 40 V
• Compatible with 1.8-V to 5.0-V Micro-controllers and Logic Interface
• Internal Free-wheeling Diodes for Inductive Kickback Protection
• Input Pull-down Resistors Allows Tri-stating the Input Driver
• Input RC-Snubber to Eliminate Spurious Operation in Noisy Environment
• Inductive Load Driver Applications
• ESD Protection Exceeds JESD 22
– 2-kV HBM, 500-V CDM
• Available in 16-pin SOIC and TSSOP Packages
2 Applications
• Inductive Loads
– Relays
– Unipolar Stepper & Brushed DC Motors
– Solenoids & Valves
• LEDs
• Logic Level Shifting
• Gate & IGBT Drive
3 Description
The TPL7407L is a high-voltage, high-current NMOS transistor array. This device consists of seven NMOS transistors that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The maximum drain-current rating of a single NMOS channel is 600 mA. New regulation and drive circuitry added to give maximum drive strength across all GPIO ranges (1.8 V – 5.0 V).The transistors can be paralleled for higher current capability.
The TPL7407L's key benefit is its improved power efficiency and lower leakage than a Bipolar Darlington Implementation. With the lower VOL the user is dissipating less than half the power than traditional relay drivers with currents less than 250 mA per channel.
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