LM5107 Texas instruments

LM5107

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LM5107

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Описание

The LM5107 is a low cost high voltage gate driver, designed to drive both the high side and the low side N-Channel MOSFETs in a synchronous buck or a half bridge configuration. The floating high-side driver is capable of working with rail voltages up to 100-V. The outputs are independently controlled with TTL compatible input thresholds. An integrated on chip high voltage diode is provided to charge the high side gate drive bootstrap capacitor. A robust level shifter technology operates at high speed while consuming low power and providing clean level transitions from the control input logic to the high side gate driver. Undervoltage lockout is provided on both the low side and the high side power rails. The device is available in the SOIC and the thermally enhanced WSON packages.

Drives Both a High Side and Low Side N-Channel MOSFET
High Peak Output Current (1.4-A Sink / 1.3-A Source)
Independent TTL Compatible Inputs
Integrated Bootstrap Diode
Bootstrap Supply Voltage to 118 V DC
Fast Propagation Times (27-ns Typical)
Drives 1000 pF Load With 15-ns Rise and Fall Times
Excellent Propagation Delay Matching (2-ns Typical)
Supply Rail Undervoltage Lockout
Low Power Consumption
Pin Compatible With ISL6700
Packages:
- SOIC
- WSON (4 mm × 4 mm)

Bus voltage (max) (V)	100
Power switch	MOSFET
Input VCC (min) (V)	8
Input VCC (max) (V)	14
Peak output current (A)	1.4
Operating temperature range (°C)	-40 to 125
Undervoltage lockout (typ) (V)	8
Rating	Catalog
Propagation delay time (µs)	0.025
Rise time (ns)	15
Fall time (ns)	15
Iq (mA)	0.01
Input threshold	TTL
Channel input logic	TTL
Negative voltage handling at HS pin (V)	-1
Driver configuration	Dual, Independent