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參數(shù)資料
| 型號(hào)： | MC33567D-2R2 |
| 廠(chǎng)商： | ON Semiconductor |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 88K |
| 描述： | IC REG CTRLR DUAL 2.53V 8SOIC |
| 產(chǎn)品變化通告： | Product Discontinuation 30/Jun/2004 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類(lèi)型： | 正，固定式 |
| 輸出數(shù)： | 2 |
| 輸出電壓： | 2.53V |
| 電流 - 電源： | 6.3mA |
| 輸入電壓： | 9 V ~ 12.5 V |
| 工作溫度： | 0°C ~ 80°C |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 剪切帶 (CT) |
| 其它名稱(chēng)： | MC33567D-2R2OSCT |
?Semiconductor Components Industries, LLC, 2003
December, 2003 Rev. 3
1
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 kW
V
out1
4
3
2
1
Startup &
Undervoltage
Shutdown
REF
3.3 V
SHDN2
SENSE2
DRV1
Control
3.3 V
66 kW
V
out2
5
6
7
Startup &
Undervoltage
Shutdown
REF
V
in
Bypass On (MC335671 only)
REF
V
CC
V
CC
V
CC
V
CC
C
L
+
UVLO
8
V
CC
8.5 V
+
C
L
PIN CONNECTIONS
M567x
ALYW
1
8
SO8
D SUFFIX
CASE 751
MARKING
DIAGRAM
x = 1, 2 or 3
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
1
8
3
4
DRV1
SHDN1
V
CC
2
DRV2
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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