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參數資料
| 型號： | MC33567D-3R2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 模擬信號調理 |
| 英文描述： | Dual Linear Controller for High Current Voltage Regulation |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 88K |
| 代理商： | MC33567D-3R2 |
Semiconductor Components Industries, LLC, 2003
December, 2003 Rev. 3
1
Publication Order Number:
MC33567/D
MC33567
Dual Linear Controller
for High Current
Voltage Regulation
The MC33567 Dual Linear Power Supply Controller is designed to
facilitate power management for motherboard applications where
reliable regulation of high current supply planes is required. It
provides the Drive, Sense and Control signals to interface two
external, Nchannel MOSFETs for regulating two different supply
planes. Undervoltage short circuit detection places the operation of the
system into a protected mode pending removal of the short.
Features
Two Independent Regulated Supplies
MC335671: 1.515 V Supply for GTL and AGP Planes
1.818 V Supply for I/O Plane and Memory
Termination
MC335672: Dual 2.525 V Supplies for Clock and Memory
MC335673: 2.3 V Voltage Supply
1.2 V Voltage Supply
Undervoltage Short Circuit Protection
Supply Undervoltage Detection
Drive Capability for NChannel MOSFETs
Bypass Function for 3.3 V AGP Card Detection
PbFree Package May be Available. The GSuffix Denotes a
PbFree Lead Finish
Applications
Motherboards
Dual Power Supplies
Figure 1. Simplified Block Diagram
3.3 V
SHDN1
SENSE1
DRV2
Control
GND
3.3 V
66 k
Vout1
4
3
2
1
Startup &
Undervoltage
Shutdown
REF
3.3 V
SHDN2
SENSE2
DRV1
Control
3.3 V
66 k
Vout2
5
6
7
Startup &
Undervoltage
Shutdown
REF
Vin Bypass On (MC335671 only)
REF
VCC
VCC
VCC
VCC
CL
+
UVLO
8
VCC
8.5 V
+
CL
PIN CONNECTIONS
M567x
ALYW
1
8
SO8
D SUFFIX
CASE 751
MARKING
DIAGRAM
x
A = Assembly Location
L
= Wafer Lot
Y = Year
W = Work Week
= 1, 2 or 3
1
8
3
4
DRV1
SHDN1
VCC
DRV2
2
SENSE1
GND
SHDN2
SENSE2
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
ORDERING INFORMATION
7
6
5
http://onsemi.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC33567D-3R2G | 功能描述:低壓差控制器 - LDO Dual 2.5V Output w/Shutdown RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負載調節: 輸出類型:Adjustable, Fixed 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-6 |
| MC3356SDG | 制造商:ON Semiconductor 功能描述: |
| MC3357 | 制造商:Panasonic Industrial Company 功能描述:I.C. (I) |
| MC3357P | 制造商:Motorola Inc 功能描述: |
| MC33580BAPNA | 功能描述:電源開關 IC - 配電 QUAD 15MOHM HI SID RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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