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uP6204 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 uP6204
部品説明 Compact Three-Phase Synchronous-Rectified Buck Controller
メーカ uPI Semiconductor
ロゴ uPI Semiconductor ロゴ 



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uP6204 Datasheet, uP6204 PDF,ピン配置, 機能
Preliminary
uP6204
Compact Three-Phase
Synchronous-Rectified Buck Controller
General Description
The uP6204 is a compact three-phase synchronous-rectified
Buck controller specifically designed to deliver high quality
output voltage for high power applications. This part is
capable of delivering up to 90A output current thanks to its
embedded bootstrapped drivers that support 12V + 12V
driving capability. The built-in bootstrap diode simplifies the
circuit design and reduces external part count and PCB
space.
The output voltage is precisely regulated to the reference
inputs R1/R2/R3/R4 that are selected by VID inputs VID1
and VID0. The reference voltage can also be programmed
by I2C interface.
The uP6204 adopts DCR current sensing technique for over
current protection and droop tuning. Current balance is
achieved by sensing the phase current through RDS(ON) of
lower MOSFET when it turns on.
This part features comprehensive protection functions
including over current protection, input/output under voltage
protection, over voltage protection and over temperature
protection.
Other features include adjustable soft start, adjustable
operation frequency, and quick response to step load
transient. With aforementioned functions, this part provides
customers a compact, high efficiency, well-protected and
cost-effective solutions. This part comes to VQFN6x6-40L
package.
Features
† Operate with 10.8V ~13.2V Supply Voltage
† 12V Bootstrapped Drivers with Internal
Bootstrap Diode
† Flexible Reference Voltage for Power Play
„ External Reference Input R1/R2/R3/R4
Selected by VID1 and VID0
„ Internal Reference Voltage Programmed by
I2C
† Simple Single-Loop Voltage-Mode Control
† DCR Current Sensing for Over Current
Protection and Droop Tuning
† RDS(ON) Current Sensing for Current Balance
† Adjustable Operation Frequency form 50kHz to
1MHz Per Phase
† External Compensation
† Adjustable Soft Start
† VQFN6x6-40L Package
† RoHS Compliant and 100% Lead (Pb)-Free
Pin Configuration
Applications
† Middle-High End GPU Core Power
PHASE3 31
LGATE3 32
VCC2 33
20 FB
19 FBRTN
18 CSP
† High End Desktop PC Memory Core Power
UGATE2 34
17 CSN
† Low Output Voltage, High Power Density DC-DC
BOOT2 35
PHASE2 36
41
GND
16 ISEN3
15 ISEN2
Converters
LGATE2 37
14 ISEN1
† Voltage Regulator Modules
VCC1 38
LGATE1 39
13 R4
12 R1
Ordering Information
PHASE1 40
11 R2
Order Number Package Type
uP6204AQAJ VQFN6x6-40L
Remark
Note: uPI products are compatible with the current IPC/
JEDEC J-STD-020 and RoHS requirements. They are 100%
matte tin (Sn) plating and suitable for use in SnPb or Pb-
free soldering processes.
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. P01, File Name: uP6204-DS-P01000
1

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