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參數資料
| 型號： | SP6231EN |
| 英文描述： | Evaluation Board Manual |
| 中文描述： | 評估板手冊 |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 171K |
| 代理商： | SP6231EN |
Rev 09/24/02
SP6231 Evaluation Board Manual
Copyright Sipex Corporation
DESCRIPTION
The SP6231 Evaluation Board
is designed to help the user evaluate the performance of
the SP6231 for use as a dual power source for applications like a DSC with USB port
power for downloading. The Evaluation Board operates from a 5V main supply which
can be from the on-board USB connector, providing a regulated 3.3V output at 500mA
or if that input is not present then from a 3.3V AUX switch input. The 3.3V AUX input is
available from an on-board option: Sipex’s SP6641B 2 Cell Battery Boost Converter to
3.3V auxiliary supply.
The SP6231 Evaluation Board can be used to provide glitch free transition between two
supplies. When the main power 5.0V input drops below 4.4V the auxiliary 3.3V is
switched to the output through the internal PFET. Thus, the SP6231 guarantees 3.3V
output “glitch free” operation.
Easy Evaluation for the SP6231 Linear
Regulator with Auxiliary Backup.
Evaluation Board provides complete,
ready to use solutions ideal for Digital
Still Camera (DSC) with USB port.
5.0 In, 3.3V Out, 500mA LDO.
Integrated Auxiliary Voltage Switch 0.2
Glitch Free Transition between Two
Supplies: Battery or USB downloading.
Current Limit and Thermal Shutdown
Protection.
Fast Transient Response.
Applications: DSC, PCMCIA/PCI cards,
NIC Cards, Dual Power Systems.
.
SP6231EB
Evaluation Board Manual
SP6231REB SCHEMATIC
J2
AMP# 787616
1
2
3
4
80mohm
L1
10uH
6641 3.3V
USB CONNECTOR
1.8V to 3.3V
C6
1uF Cer.
L2 SM Bead
VAUX
SP6231 500MA LDO WITH AUX SWITCH
SHDN
D1
SCHOTTKY DIODE
J1
1
2
3
+5V
U1 SP6641B
1
2
4
5
3
LX
GND
SHDN
VBATT
VOUT
C3
2.2uF Cer.
GND
C5
0.1uF
VIN 5V
C4
10uF Cer.
C2
100uF
80mohm
VOUT 3.3V
C1
100uF
SP6641B 2 CELL BOOST
VBATT
U2
SP6231
1
3
4
5
6
2
VAUX
GND
Vsense
Vin
Vout
GND
相關PDF資料 |
PDF描述 |
|---|---|
| SP6231ER | Evaluation Board Manual |
| SP6231EN-3.3 | 500mA, 3.3V Linear Regulator with Auxiliary Backup |
| SP6231ER-3.3 | 500mA, 3.3V Linear Regulator with Auxiliary Backup |
| SP6231 | 500mA, 3.3V Linear Regulator with Auxiliary Backup |
| SP6260 | High Speed, Extremely Low Noise 150mA LDO Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SP6231EN-3.3 | 制造商:Exar Corporation 功能描述:Voltage Regulator |
| SP6231EN-3.3/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:500mA, 3.3V Linear Regulator with Auxiliary Backup |
| SP6231ER | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP6231ER-3.3 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:500mA, 3.3V Linear Regulator with Auxiliary Backup |
| SP6231ER-3.3/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:500mA, 3.3V Linear Regulator with Auxiliary Backup |
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