LTC4447

Features: Integrated Schottky Diode 4V to 6.5V VCC Operating Voltage 38V Maximum Input Supply Voltage Adaptive Shoot-Through Protection Rail-to-Rail Output Drivers 3.2A Peak Pull-Up Current 4.5A Peak Pull-Down Current 8ns TG Risetime Driving 3000pF Load 7ns TG Falltime Driving 3000pF Load Separat...

product image

LTC4447 Picture
SeekIC No. : 004402610 Detail

LTC4447: Features: Integrated Schottky Diode 4V to 6.5V VCC Operating Voltage 38V Maximum Input Supply Voltage Adaptive Shoot-Through Protection Rail-to-Rail Output Drivers 3.2A Peak Pull-Up Current 4.5A Pe...

floor Price/Ceiling Price

Part Number:
LTC4447
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2024/12/21

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
Product Details

Description



Features:

Integrated Schottky Diode
4V to 6.5V VCC Operating Voltage
38V Maximum Input Supply Voltage
Adaptive Shoot-Through Protection
Rail-to-Rail Output Drivers
3.2A Peak Pull-Up Current
4.5A Peak Pull-Down Current
8ns TG Risetime Driving 3000pF Load
7ns TG Falltime Driving 3000pF Load
Separate Supply to Match PWM Controller
Drives Dual N-Channel MOSFETs
Undervoltage Lockout
Low Profi le (0.75mm) 3mm * 3mm DFN Package



Application

Distributed Power Architectures
High Density Power Modules



Pinout

  Connection Diagram


Specifications

VLOGIC ...................................................... -0.3V to 7V
VCC ........................................................... -0.3V to 7V
BOOST - TS ............................................. -0.3V to 7V
BOOST Voltage .......................................... -0.3V to 42V
BOOST - VCC ............................................................38V
TS + VCC....................................................................42V
IN Voltage .................................................... -0.3V to 7V
Driver Output TG (with Respect to TS) ......... -0.3V to 7V
Driver Output BG .......................................... -0.3V to 7V
Operating Temperature Range (Note 2).... -40to 85
Junction Temperature (Note 3) ............................. 125
Storage Temperature Range ................... -65to 150



Description

The LTC®4447 is a high frequency gate driver with integrated bootstrap Schottky diode that is designed to drive two
N-Channel MOSFETs in a synchronous DC/DC converter. The powerful rail-to-rail driver capability reduces switching losses in MOSFETs with high gate capacitance.

The LTC4447 features a separate supply for the input logic to match the signal swing of the controller IC. If the input
signal is not being driven, the LTC4447 activates a shutdown mode that turns off both external MOSFETs. The input
logic signal is internally level-shifted to the bootstrapped supply, which functions at up to 42V above ground. The Schottky diode required for the bootstrapped supply is integrated to simplify layout and reduce parts count.

The LTC4447 contains undervoltage lockout circuits on both the driver and logic supplies that turn off the external MOSFETs when an undervoltage condition is present. An adaptive shoot-through protection feature is also built-in to prevent the power loss resulting from MOSFET crossconduction current.

The LTC4447 is available in the 3mm × 3mm DFN package.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
Circuit Protection
Tapes, Adhesives
803
Discrete Semiconductor Products
Cables, Wires
Fans, Thermal Management
Crystals and Oscillators
View more