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uP6203 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 uP6203
部品説明 Compact Dual-Phase Synchronous-Rectified Buck Controller
メーカ uPI Semiconductor
ロゴ uPI Semiconductor ロゴ 



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uP6203 Datasheet, uP6203 PDF,ピン配置, 機能
uP6203
Compact Dual-Phase
Synchronous-Rectified Buck Controller
General Description
Features
The uP6203 is a compact dual-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 60A output current owing to its
embedded bootstrapped drivers that support 12V + 12V
driving capability. The uP6203 features configurable gate
driving voltage for maximum efficiency and optimal
performance. The built-in bootstrap diode simplifies the
circuit design and reduces external part count and PCB
space.
The output voltage is precisely regulated to internal 0.6V
or external reference voltage from 0.4V to 3.3V. The uP6203
adopts lossless RDS(ON) current sensing technique for
channel current balance and over current protection.
A MODE pin programs single- or dual- phase operation
that makes the uP6203 ideally suitable for dual power input
applications such as PCIE interfaced graphic cards. When
programmed as automatic mode, the uP6203 operates in
single phase at light load condition and maintains high
efficiency over the output current range.
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 phase, 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 is available in spacing-
saving VQFN4x4 -24L package.
Ordering Information
† Operate with 4.5V ~13.2V Supply Voltage
† Support Single- and Two- Phase Operation
† ±2.0% Over Line Voltage and Temperature
† Simple Single-Loop Voltage-Mode Control
† 12V Bootstrapped Drivers with Internal
Bootstrap Diode
† Lossless RDS(ON) Current Sensing
† Adjustable Operation Frequency form 50kHz to
1MHz Per Phase
† External Compensation
† Adjustable Over Current Protection
† Adjustable Soft Start
† VQFN4x4 -24L Package
† RoHS Compliant and 100% Lead (Pb)-Free
Applications
† Middle-High End GPU Core Power
† High End Desktop PC Memory Core Power
† Low Output Voltage, High Power Density DC-DC
Converters
† Voltage Regulator Modules
Pin Configuration
18 17 16 15 14 13
LGATE2 19
VCC12 20
12 NC
11 FB
Order Number Package Type
Remark
uP6203AQAG VQFN4x4 - 24L
Note: uPI products are compatible with the current IPC/
JEDEC J-STD-020 requirements. They are halogen-free,
RoHS compliant and 100% matte tin (Sn) plating that are
suitable for use in SnPb or Pb-free soldering processes.
VCC9 21
VCC5 22
LGATE1 23
PHASE1 24
GND
10 COMP
9 RT
8 IMAX
7 MODE
123456
QFN4x4 24L
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. F02, File Name: uP6203-DS-F0200
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