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UCD7230

Features: · Input from Digital Controller Sets Operating Frequency and Duty Cycle· Up to 2-MHz Switching Frequency· Dual Current Limit Protection with Independently Adjustable Thresholds· Fast Current Sense Circuit with Adjustable Blanking Interval Prevents Catastrophic Current Levels· Digital Out...

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SeekIC No. : 004536182 Detail

UCD7230: Features: · Input from Digital Controller Sets Operating Frequency and Duty Cycle· Up to 2-MHz Switching Frequency· Dual Current Limit Protection with Independently Adjustable Thresholds· Fast Curre...

UCD7230 Data Sheet

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Part Number:
UCD7230
Supply Ability:
5000

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

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Product Details

Description



Features:

· Input from Digital Controller Sets Operating Frequency and Duty Cycle
· Up to 2-MHz Switching Frequency
· Dual Current Limit Protection with Independently Adjustable Thresholds
· Fast Current Sense Circuit with Adjustable Blanking Interval Prevents Catastrophic Current Levels
· Digital Output Current Limit Flag
· Low Offset, Gain of 48, Differential Current Sense Amplifier
· 3.3-V, 10-mA Internal Regulator
· Dual TrueDrive™ High-Current Drivers
· 10-ns Typical Rise/Fall Times with 2.2-nF Loads
· 4.5-V to 15.5-V Supply Voltage Range


Application

· Digitally-Controlled Synchronous-Buck Power Stages for Single and Multi-Phase Applications
· Especially Suited for Use with UCD91xx or UCD95xx Contollers
· High-Current Multi-Phase VRM/EVRD Regulators for Desktop, Server, Telecom and Notebook Processors
· Digitally-Controlled Synchronous-Buck Power Supplies Using mCs or the TMS320TM DSP Family


Pinout

Connection Diagram


Specifications

PARAMETER CONDITION VALUE UNIT
VDD Supply voltage   16 V
BST   SW + 16
IDD Supply current Quiescent 20 mA
Switching, TA = 25°C, VDD = 12
V		 200
VO Output gate drive voltage OUT1, BST -1 V to 36 V V
OUT2 -1 V to VDD+0.3
Output gate drive voltage Output gate drive current OUT1 4.0 A
IOUT(source) OUT1 -2.0
IOUT(sink) OUT2 4.0
IOUT(source) OUT2 -4.0
  Analog inputs SW -1 to 20 V
CS+ -0.3 to 20
CSBIAS -0.3 to 16
POS, NEG -0.3 to 5.6
ILIM, DLY, I0 -0.3 to 3.6
  Analog output A0 -0.3 to 3.6
  Digital I/O's IN, SRE, CLF -0.3 to 3.6
  Power dissipation TA = 25°C (PWP-20 package) 2.67 W
TA = 25°C (QFN-20 package)  
TJ Junction operating temperature   -55 to 150 °C
Tstg Storage temperature   -55 to 150
HBM ESD rating Human body model 2000 V
CDM Charged device model 500
  Lead temperature (soldering, 10 sec)   300 °C

(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other condition beyond those indicated is not implied. Exposure to absolute maximum rated conditions for extended periods may affect device reliability. All voltages are with respect to GND. Currents are positive into, negative out of the specified terminal. Consult company packaging information for thermal limitations and considerations of packages.




Description

The UCD7230 is part of the UCD7K family of digital control compatible drivers for applications utilizing digital control techniques or applications requiring


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