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UP6182 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 UP6182
部品説明 Dual Synchronous Buck Controller
メーカ uPI Semiconductor
ロゴ uPI Semiconductor ロゴ 



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UP6182 Datasheet, UP6182 PDF,ピン配置, 機能
uP6182
Dual Synchronous Buck Controller with
5V/3.3V 100mA LDOs for Notebook System Power
General Description
Features
The uP6182 is a dual synchronous buck controller with
5V/3.3V 100mA LDOs for notebook system power supply
solution. A 250kHz VCLK output can be used for external
charge pump to generate gate drive voltage for load
switches.
The uP6182 supports high efficiency, fast transient response
and a combined power-good signal. The out of audio mode
maintains the switching frequency above audio frequency,
which eliminates noise in audio applications. The adaptive
on-time control provides a convenient and efficient
operation.
The uP6182 has internal soft-start to control the inrush
current. The soft-stop feature avoids negative output voltage
for undervoltage protection, overcurrent protection, and
shutdown by discharging output through an internal switch,
and by damping the inductor current.
Supply input voltages ranging from 5.5V to 26V and output
voltages from 2V to 5.5V. Other features include overcurrent
protection, overvoltage protection, power-up sequencing,
power OK output, and thermal shutdown. The uP6182 is
available in the space saving package VQFN4x4-24L,
specified from -40 OC to 85 OC.
† Wide Input Voltage Range: 5.5V to 26V
† Two Synchronous Buck Controllers
† Output Voltage Range: 2V to 5.5V
† Selectable Audio Mode in Light Load
† Internal 1.6ms Output Voltage Softstart
† Adaptive On Time Control Architecture
† 4500ppm/OC RDS(ON) Current Sensing
† 100mA 5V/3.3V LDO with Switches
† 1% 2V Reference Voltage Output
† Power Good Output
† OVP/UVP/OCP
† Thermal Shutdown
† VQFN4x4-24L
† RoHS Compliant and 100% Lead (Pb)-Free
Pin Configuration
Applications
18 17 16 15 14 13
† Notebook and Subnotebook System Power
Supplies
† 3-4 Cell Li-Ion Battery-Power Devices
† Dual Output Supplies for DSP, Memory, Logic
and Microprocessor
LGATE1 19
PHASE1 20
UGATE1 21
BOOT1 22
POK 23
25 PGND
12 LGATE2
11 PHASE2
10 UGATE2
9 BOOT2
8 LDO3
Ordering Information
Order Number Package Type
uP6182AQAG VQFN4x4 - 24L
Remark
VO1 24
7 VO2
123456
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.
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. F00, File Name: uP6182-DS-F0001
1
Free Datasheet http://www.datasheet4u.com/

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