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IR3519
Synchronous MOSFET Gate Driver IC
FEATURES
7V/2A gate drivers (5A GATEL sink current)
15ns adaptive non-overlap control
Integrated boot-strap synchronous PFET
Supports 3.3V and 5V PWM input signals
Tri-State PWM input for power stage shutdown
Sub 50ns minimum pulse width supports 2MHz per-
phase operation
Dual function EN/UV pin provides Enable input and
power good output
Small thermally enhanced 8L SON & 3 x 3mm MLPD
packages
RoHS compliant
APPLICATION CIRCUIT
ORDER INFORMATION
DESCRIPTION
The IR3519 is extended voltage range high-speed gate
driver optimized for switching power supply
applications. Performance is achieved by 7V/2A gate
source and 5-A sink drive capability and is capable of
operating at frequencies of up to 2MHz.
The 0.4- Ω impedance of the lower gate driver holds the
gate of the Synchronous MOSFET below its threshold
to prevent shoot-through current during high dv/dt
phase node transitions.
The IR3519 includes a two-way enable/under voltage
power good signal. Systems without 3-state featured
controllers can use the EN/UV input/output to hold both
outputs low during converter shut down.
Device
IR3519MTRPBF
* IR3519MPBF
IR3519STRPBF
* IR3519SPBF
* Samples only
Page 1 of 10
Package
8 Lead MLPD (3 x 3 mm body)
8 Lead MLPD (3 x 3 mm body)
8 Lead SON
8 Lead SON
www.irf.com
Order Quantity
3000 per reel
100 piece strips
2500 per reel
95 per tube
8/15/08
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