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參數資料
| 型號： | FAN1581M12X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 5A Adjustable/Fixed Ultra Low Dropout Linear Regulator |
| 中文描述： | 1.2 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSSO5 |
| 封裝： | PLASTIC, TO-263, 5 PIN |
| 文件頁數： | 1/13頁 |
| 文件大小： | 85K |
| 代理商： | FAN1581M12X |
www.fairchildsemi.com
Pentium is a registered trademark of Intel Corporation. PowerPC is a trademark of IBM Corporation.
REV. 1.2.0 11/6/03
Features
Ultra Low dropout voltage, 0.4V typical at 5A
1.2V Versions available for GTL termination
Remote sense operation
Fast transient response
Load regulation: 0.05% typical
0.5% typical initial accuracy
On-chip thermal limiting
TO-263, TO-252 and TO-220 packages
Applications
Support of GTL+ bus supply
Low voltage logic supply
Embedded Processor supplies
Split plane regulator
2.5V, and 1.8V Logic Families
DDR Termination Supply
Description
The FAN1581, FAN1581-1.2, FAN1581-1.5, and FAN1581-
2.5 are ultra-low dropout regulators with 5A output current
capability. These devices have been optimized for low volt-
age applications including V
TT
sient response and minimum input voltage are critical. The
FAN1581 is ideal for low voltage microprocessor applica-
tions requiring a regulated output from 1.3V to 5.7V with a
power input supply of 1.75V to 6.5V. The FAN1581-1.5
offers fixed 1.5V with 5A current capabilities for GTL+ bus
V
TT
termination. Additionally, the FAN1581-1.2 offers fixed
1.2V output for CPU Bus termination. The FAN1581-2.5
offers fixed 2.5V with 5A current capability for logic IC
operation and processors while minimizing the overall power
dissipation.
bus termination, where tran-
Current limit ensures controlled short-circuit current. On-chip
thermal limiting provides protection against any combination
of overload and ambient temperature that would create exces-
sive junction temperatures.
The FAN1581 series regulators are available in the 5-pin
TO-263, TO-252 and TO-220 packages.
Typical Applications
22
μ
F
22
μ
F
V
CNTL
= 5V
2.1V at 5A
10
μ
F
V
IN
= 3.3V
+
10
μ
F
+
+
V
IN
V
SENSE
V
CNTL
Adj
V
OUT
FAN1581
22
μ
F
V
CNTL
= 5V
2.5V at 5A
10
μ
F
V
IN
= 3.3V
+
1
μ
F
+
1
μ
F
+
1
μ
F
+
1
μ
F
+
+
V
IN
V
SENSE
V
CNTL
GND
V
OUT
FAN1581–2.5
86.6
124
V
CNTL
= 5V
1.2V at 5A
V
IN
= 3.3V
V
IN
V
SENSE
V
CNTL
Gnd
V
OUT
FAN1581-1.2
22
μ
F
V
CNTL
= 12V
5V at 5A
10
μ
F
V
IN
= 5.75V
+
+
V
IN
V
SENSE
V
CNTL
Adj
V
OUT
FAN1581
374
124
FAN1581
5A Adjustable/Fixed Ultra Low Dropout
Linear Regulator
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PDF描述 |
|---|---|
| FAN1581M25X | 5A Adjustable/Fixed Ultra Low Dropout Linear Regulator |
| FAN1581MX | 5A Adjustable/Fixed Ultra Low Dropout Linear Regulator |
| FAN1581T | 5A Adjustable/Fixed Ultra Low Dropout Linear Regulator |
| FAN1582D-1.5 | 3A Adjustable/Fixed Ultra Low Dropout Linear Regulator |
| FAN1582D-2.5 | 3A Adjustable/Fixed Ultra Low Dropout Linear Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN1581M15X | 功能描述:低壓差穩壓器 - LDO 5A Adj LDO Vltg Reg RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1581M-2.5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| FAN1581M25X | 功能描述:低壓差穩壓器 - LDO 5A Adj LDO Vltg Reg RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1581MX | 功能描述:低壓差穩壓器 - LDO 5A Adj LDO Vltg Reg RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1581P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Adjustable Voltage Regulator |
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