參數(shù)資料
型號: FAN5067
廠商: Fairchild Semiconductor Corporation
英文描述: ACPI Dual Switch Controller
中文描述: 符合ACPI雙開關控制器
文件頁數(shù): 1/14頁
文件大?。?/td> 101K
代理商: FAN5067
www.fairchildsemi.com
REV. 1.0.1 5/2/02
Features
Implements ACPI control with PWROK, SLP_S3 and
SLP_S5
Switch and linear regulator controller for 3.3V or 5V Dual
Linear regulator controller and linear regulator for VADJ
Dual output adjustable from 2.5V to 3.5V
Break-before-Make
Drives all N-Channel MOSFETs plus NPN
Latched overcurrent protection for outputs
Power-up softstarts for the linear regulators
UVLO guarantees correct operation for all conditions
16 pin SOIC package
Applications
Willamette Platform ACPI Controller
Northnwood Platform ACPI Controller
Description
The FAN5067 is an ACPI Switch Controller for Pentium IV
Platforms. It is controlled by PWROK, SLP_S3 and SLP_S5,
and provides 3.3V or 5V Dual and VADJ Dual output for
SDRAM or DDR with 200mA minimum base current for an
external NPN transistor. An on-board precision low TC
reference achieves tight tolerance voltage regulation without
expensive external components. The FAN5067 also offers
integrated Current Limiting that protects each output, and
softstart for the linear regulators. The FAN5067 is available in
a 16 pin SOIC.
Block Diagram
Main
+5V Standby
+3.3V or 5V Dual
4
5
6
+12V
16
-
+
REF
Over Current
+5V Standby
PWR_OK
SLP_S3
9
7
3
2
1
11
14
13
Softstart
10
+5V Main
VADJ Dual
(SDRAM or DDR)
REF
15
12
8
SLP_S5
REF
Osc
-
+
-
+
-
+
FAN5067
ACPI Dual Switch Controller
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