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UP6101 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 UP6101
部品説明 5V/12V Synchronous-Rectified Buck Controller
メーカ uPI Semiconductor
ロゴ uPI Semiconductor ロゴ 



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UP6101 Datasheet, UP6101 PDF,ピン配置, 機能
uP6101
5V/12V Synchronous-Rectified
Buck Controller
General Description
Features
The uP6101 is a compact synchronous-rectified buck
controller specifically designed to operate from 5V or 12
supply voltage and to deliver high quality output voltage as
low as 0.6V (uP6101A) or 0.8V (uP6101B/C). This (P)SOP-
8 device operates at fixed 300kHz (uP6101A/B) or 200kHz
(uP6101C) frequency and provides an optimal level of
integration to reduce size and cost of the power supply.
This controller integrates internal MOSFET drivers that
support 12V+12V bootstrapped voltage for high efficiency
power conversion. The bootstrap diode is built-in to simplify
the circuit design and minimize external part count.
Other features include internal softstart, under voltage
protection, over current protection and shutdown function.
With aforementioned functions, this part provides
customers a compact, high efficiency, well-protected and
cost-effective solutions. This part comes to SOP-8 and
PSOP-8 packages.
Applications
† Power Supplies for Microprocessors or
Subsystem Power Supplies
† Cable Modems, Set Top Boxes, and DSL
Modems
† Industrial Power Supplies; General Purpose
Supplies
† 5V or 12V Input DC-DC Regulators
† Low-Voltage Distributed Power Supplies
† Operates from 5V or 12V Supply Voltage
„ 3.3V to 12V VIN Input Range
„ 0.6V or 0.8V to 80% of VIN Output Range
„ 0.6V or 0.8V Internal Reference
„ 1.5% Over Line Voltage and Temperature
† Simple Single-Loop Control Design
„ Voltage-Mode PWM Control
„ Fast Transient Response
† High-Bandwidth Error Amplifier
„ 0% to 80% Duty Cycle
† Lossless, Programmable Overcurrent Protection
„ Uses Lower MOSFET RDS(ON)
† 300/200kHz Fixed Frequency Oscillator
† Internal SoftStart
† Integrated Boot Diode
Ordering Information
Order Number Package
Remark
uP6101AS8
SOP-8
0.6V reference voltage;
300kHz switching frequency
uP6101BS8 SOP-8
uP6101BS8-A SOP-8
uP6101BU8 PSOP-8
0.8V reference voltage;
300kHz switching frequency
uP6101CSA8 SOP-8
0.8V reference voltage;
200kHz switching frequency
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.
Pin Configuration & Typical Application Circuit
BOOT
UGATE
GND
LGATE
BOOT
UGATE
GND
LGATE
18
27
36
45
SOP-8
18
27
3 GND 6
45
PSOP-8
PHASE
COMP/EN
FB
VCC
Disable
Enable
PHASE
COMP/EN
FB
VCC
1uF
VCC
5
7 1 BOOT
2 UGATE
8 PHASE
FB
6
4 LGATE
3
GND
VIN
VOUT
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. F01, File Name: uP6101-DS-F0101
1
Free Datasheet http://www.datasheet4u.net/

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