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Datasheet> 器件分类 > 电源/电源管理> 电源电路> AS2880AU-5.0
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AS2880AU-5.0

产品描述Fixed Positive LDO Regulator, 5V, 1.2V Dropout, BIPolar, PSFM3, TO-220, 3 PIN
产品类别电源/电源管理    电源电路   
文件大小181KB，共4页
制造商SIPEX
官网地址http://www.sipex.com/
下载文档 详细参数 选型对比 全文预览

AS2880AU-5.0概述

Fixed Positive LDO Regulator, 5V, 1.2V Dropout, BIPolar, PSFM3, TO-220, 3 PIN

AS2880AU-5.0规格参数

参数名称属性值
是否Rohs认证不符合
厂商名称SIPEX
包装说明, SIP3,.1TB
Reach Compliance Codeunknown
可调性FIXED
最大回动电压 11.2 V
标称回动电压 11.1 V
最大绝对输入电压10 V
最大输入电压7 V
最小输入电压6.5 V
JESD-30 代码R-PSFM-T3
JESD-609代码e0
最大电网调整率0.025%
最大负载调整率0.02%
功能数量1
输出次数1
端子数量3
工作温度TJ-Max125 °C
工作温度TJ-Min
最大输出电流 18 A
最大输出电压 15.1 V
最小输出电压 14.9 V
标称输出电压 15 V
封装主体材料PLASTIC/EPOXY
封装等效代码SIP3,.1TB
封装形状RECTANGULAR
封装形式FLANGE MOUNT
峰值回流温度（摄氏度）NOT SPECIFIED
认证状态Not Qualified
调节器类型FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
表面贴装NO
技术BIPOLAR
端子面层Tin/Lead (Sn/Pb)
端子形式THROUGH-HOLE
端子节距2.54 mm
端子位置SINGLE
处于峰值回流温度下的最长时间NOT SPECIFIED
最大电压容差2%

AS2880AU-5.0文档预览

AS2880
8A Low Dropout Voltage Regulator
Adjustable & Fixed 3.3V
FEATURES
•
Adjustable Output Down to 1.2V or Fixed 3.3V & 5V
•
Output Current of 8A
•
Low Dropout Voltage
•
Extremely Tight Load and Line Regulation
•
Current & Thermal Limiting
•
Standard 3-Terminal Low Cost TO-220
•
Similar to Industry Standard LT1083/LT1584
APPLICATIONS
•
Powering Intel Pentium
µP
from +5V Supplies
•
Power PCSupplies
•
SMPS Post-Regulator
•
High Efficiency “Green” Computer Systems
•
High Efficiency Linear Power Supplies
•
Portable Instrumentation
•
Constant Current Regulators
•
Adjustable Power Supplies
•
Battery Charger
PRODUCT DESCRIPTION
The AS2880 is a low power 8A Adjustable Voltage Regulator that is very easy to use. It requires only 2 external resistors to set the
output voltage. This device is an excellent choice when using Powering Intel Microprocessor to convert from +5V to 3.3V supplies,
and as a post regulator for switching supplies applications. The AS2880 features low dropout of a maximum 1.5 volts.
The AS2880 offers full protection against over-current faults, reversed input polarity, reversed load insertion, over temperature
operation, and positive and negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%. The I
Q
of this device
flows into the load, which increases efficiency.
The AS2880 is offered in a 3-pin TO-220 package compatible with older 3-terminal regulators. When using ALPHA Semiconductor
design, processing and testing techniques make AS2880 superior over similar products on the market. For a 5A low dropout regulator
refer to the AS2850 datasheet.
ORDERING INFORMATION
TO-220
3-PIN
AS2880AU
X = Output Voltage (i.e. 3.3 for 3.3V, 5.0 for 5.0V etc.)
Y = Output Tolerance, A for 1%
Blank for 2%
Consult factory for other fixed voltages.
PIN CONNECTIONS
TO-220-3 (U)
AS2880
1
2
3
ADJ/GND V
OUT
V
IN
Front View
Rev. 10/11/00
AS2880
ABSOLUTE MAXIMUM RATINGS
Power Dissipation..........................................Internally Limited
Lead Temp. (Soldering, 10 Seconds) .............................. 300°C
Storage Temperature Range ............................ -65° to +150°C
Operating Junction Temperature Range
AS2880 Control Section ............................0C° to +125°C
AS2880 Power Transistor..........................0C° to +150°C
Input Supply Voltage .................................................... +10V
Input to Output Voltage Differential .............................. 8.8V
ELECTRICAL CHARACTERISTICS
(Note 1) at I
OUT
= 10mA, T
A
= 25°C, unless otherwise specified.
Parameter
3.3V Version
Output Voltage (Note 2)
5.0V Version
Output Voltage (Note 2)
All Voltage Options
Reference Voltage
Mid Load Current
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Long Term Stability
Adjust Pin Current
Adjust Pin Current
Change
Thermal Regulation
Temperature Stability
Ripple Rejection Ratio
V
IN
- V
OUT
=3V
I
OUT
=3A, C
OUT
= 25µF, C
ADJ
= 25µF,
f= 120Hz
10Hz to 10kHz
TO-220
Junction to Tab
Junction to Ambient
AS2880-3.3V, 0≤I
OUT
1.5A,
4.75V≤V
IN
≤7V
AS2880-3.3V, 0≤I
OUT
1.5A,
6.5V≤V
IN
≤7V
10mA
≤
I
OUT
≤
I
FULLLOAD
3.3V≤(V
IN
- V
OUT
)≤ V
IN MAX
– V
OUT MAX
(V
IN
- V
OUT
) = V
IN MAX
– V
OUT MAX
1.5V
≤V
IN
- V
OUT
≤
V
IN MAX
– V
OUT MAX
I
LOAD
= 10mA
10mA
≤
I
OUT
≤
I
FULLLOAD
(VI
N
- V
OUT
)=3V
I
OUT
=I
FULLLOAD
,
∆V
REF
=1%
V
IN
- V
OUT
=5V
T
A
=125°C, 1000Hrs.
T
A
=25°C
3.3
3.3
5.0
5.0
1.250
1.250
5
0.015
0.05
0.1
0.2
1.1
9.5
0.3
55
0.2
30ms pulse
0.003
0.5
75
60
60
3.270
3.240
4.950
4.900
1.238
1.225
3.330
3.360
5.050
5.100
1.262
1.270
10
0.2
0.5
0.3
0.4
1.2
3.230
3.201
4.900
4.650
1.238
1.225
3.370
3.399
5.100
5.150
1.262
1.270
10
0.2
0.5
0.3
0.4
1.2
V
mA
%
%
V
A
1
90
5
0.01
%
µA
µA
%/W
%
dB
V
Conditions
Typ
AS2880A
Min
Max
AS2880
Min
Max
Units
8.0
1
90
5
0.01
8.0
Output Noise, RMS
Thermal Resistance
Junction-to-Case
0.003
2.7
0.65
2.7
0.65
% V
O
°C/W
The Bold specifications apply to the full operating temperature range.
Note 1:
Changes in output voltage due to heating effects are covered under the specification for thermal regulation.
Note 2:
A 10µF output capacitor is required on AS2880
Rev. 10/11/00
AS2880
TYPICAL CHARACTERISTICS
Rev. 10/11/00
AS2880
TYPICAL APPLICATIONS
V
IN
C
1
IN
AS2880
ADJ
OUT
V
IN
C
1
OUT
IN
AS2880
C
2
ADJ
V
REF
R
1
V
OUT
R
1
LOAD
V
OUT
= V
REF
1+ R
2
+ I
ADJ
R
2
R
1
R
2
8A Current Output Regulator
Typical Adjustable Regulator
Intel Pentium
TM
V
IN
+5V
C
1
IN
AS2880
3.45V
OUT
C
2
V
CC
ADJ
R
1
R
2
Powering Intel Pentium
TM
with AS2880
Pentium Processor is a trademark of Intel Corp. Power PC is a trademark of IBM Corp.
Rev. 10/11/00
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AS2880AU-5.0相似产品对比

AS2880AU-5.0 AS2880AU-3.3 AS2880U-5.0 AS2880U AS2880U-3.3
描述 Fixed Positive LDO Regulator, 5V, 1.2V Dropout, BIPolar, PSFM3, TO-220, 3 PIN Fixed Positive LDO Regulator, 3.3V, 1.2V Dropout, BIPolar, PSFM3, TO-220, 3 PIN Fixed Positive LDO Regulator, 5V, 1.2V Dropout, BIPolar, PSFM3, TO-220, 3 PIN Adjustable Positive LDO Regulator, 1.2V Min, 9V Max, 1.2V Dropout, BIPolar, PSFM3, TO-220, 3 PIN Fixed Positive LDO Regulator, 3.3V, 1.2V Dropout, BIPolar, PSFM3, TO-220, 3 PIN
是否Rohs认证 不符合 不符合 不符合 不符合 不符合
厂商名称 SIPEX SIPEX SIPEX SIPEX SIPEX
包装说明 , SIP3,.1TB , SIP3,.1TB , SIP3,.1TB TO-220, 3 PIN TO-220, 3 PIN
Reach Compliance Code unknown unknown unknown unknown unknown
可调性 FIXED FIXED FIXED ADJUSTABLE FIXED
最大回动电压 1 1.2 V 1.2 V 1.2 V 1.2 V 1.2 V
标称回动电压 1 1.1 V 1.1 V 1.1 V 1.1 V 1.1 V
JESD-30 代码 R-PSFM-T3 R-PSFM-T3 R-PSFM-T3 R-PSFM-T3 R-PSFM-T3
JESD-609代码 e0 e0 e0 e0 e0
功能数量 1 1 1 1 1
输出次数 1 1 1 1 1
端子数量 3 3 3 3 3
工作温度TJ-Max 125 °C 125 °C 125 °C 125 °C 125 °C
最大输出电流 1 8 A 8 A 8 A 8 A 8 A
最大输出电压 1 5.1 V 3.36 V 5.15 V 9 V 3.399 V
最小输出电压 1 4.9 V 3.24 V 4.65 V 1.2 V 3.201 V
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装等效代码 SIP3,.1TB SIP3,.1TB SIP3,.1TB SIP3,.1TB SIP3,.1TB
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT
峰值回流温度（摄氏度） NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
调节器类型 FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
表面贴装 NO NO NO NO NO
技术 BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
端子面层 Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
端子形式 THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
端子节距 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm
端子位置 SINGLE SINGLE SINGLE SINGLE SINGLE
处于峰值回流温度下的最长时间 NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
最大绝对输入电压 10 V 10 V 10 V - 10 V
最大输入电压 7 V 7 V 7 V - 7 V
最小输入电压 6.5 V 4.75 V 6.5 V - 4.75 V
最大电网调整率 0.025% 0.0066% 0.025% - 0.0066%
最大负载调整率 0.02% 0.0099% 0.02% - 0.0099%
标称输出电压 1 5 V 3.3 V 5 V - 3.3 V
最大电压容差 2% 2% 3% - 3%

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