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Numéro de référence | NCP5359A | ||
Description | Gate Driver | ||
Fabricant | ON Semiconductor | ||
Logo | |||
1 Page
NCP5359A
Gate Driver for Notebook
Power Systems
The NCP5359A is a high performance dual MOSFET gate driver
optimized to drive the gates of both high−side and low−side power
MOSFETs in a synchronous buck converter. Each of the drivers can
drive up to 3 nF load with a 25 ns propagation delay and 15 ns
transition time.
Adaptive nonoverlap and power saving operation circuit can
provide a low switching loss and high efficiency solution for notebook
and desktop systems.
A high floating top driver design can accommodate VBST voltage
as high as 35 V, with transient voltages as high as 35 V. Bidirectional
EN pin can provide a fault signal to controller when the gate driver
fault detect under OVP, UVLO occur. Also, an undervoltage lockout
function guarantees the outputs are low when supply voltage is low,
and a thermal shutdown function provides the IC with
overtemperature protection.
Features
• Faster Rise and Fall Times
• Thermal Shutdown Protection
• Adaptive Nonoverlap Circuit
• Floating Top Driver Accommodates Boost Voltages of up to 30 V
• Output Disable Control Turns Off Both MOSFETs
• Complies with VRM 11.1 Specifications
• Undervoltage Lockout
• Power Saving Operation Under Light Load Conditions
• Thermally Enhanced Package
• These are Pb−Free Devices
Typical Applications
• Power Solutions for Desktop and Notebook Systems
© Semiconductor Components Industries, LLC, 2009
September, 2009 − Rev. 1
1
8
1
1
http://onsemi.com
MARKING
DIAGRAMS
8
SOIC−8
D SUFFIX
CASE 751
5359A
ALYW
G
1
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
DFN8
MN SUFFIX
CASE 506AA
1
AA = Device Code
M = Date Code
G = Pb−Free Package
4
PIN CONNECTIONS
1
BST
PWM
EN
VCC
1
8
DRVH
SW
GND
DRVL
8
BST
PWM
EN
VCC
DRVH
SW
GND
DRVL
(Top View)
ORDERING INFORMATION
Device
Package
Shipping†
NCP5359ADR2G SOIC−8
(Pb−Free)
NCP5359AMNR2G DFN8
(Pb−Free)
2500 Tape & Reel
3000 Tape & Reel
NCP5359AMNTBG DFN8 3000 Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Publication Order Number:
NCP5359A/D
Free Datasheet http://www.datasheet4u.com/
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Pages | Pages 9 | ||
Télécharger | [ NCP5359A ] |
No | Description détaillée | Fabricant |
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