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SP6641AEK-5.0/TR PDF预览

SP6641AEK-5.0/TR

更新时间: 2024-09-16 22:05:23
品牌 Logo 应用领域
西伯斯 - SIPEX 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
13页 124K
描述
500mA Alkaline DC/DC Boost Regulator in SOT-23

SP6641AEK-5.0/TR 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOT-23, 5 PINReach Compliance Code:unknown
风险等级:5.78Is Samacsys:N
模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE FREQUENCY MODULATION最大输入电压:4.5 V
最小输入电压:0.5 V标称输入电压:1.3 V
JESD-30 代码:R-PDSO-G5JESD-609代码:e0
长度:2.95 mm湿度敏感等级:1
功能数量:1端子数量:5
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1.5 A封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):240
认证状态:Not Qualified座面最大高度:1.45 mm
表面贴装:YES切换器配置:BOOST
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.625 mmBase Number Matches:1

SP6641AEK-5.0/TR 数据手册

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®
SP6641A/6641B  
500mA Alkaline DC/DC Boost Regulator in SOT-23  
Ultra Low Quiescent Current: 10µA  
Wide Input Voltage Range: 0.9V to 4.5V  
VBATT  
LX  
GND  
VOUT  
1
2
3
5
4
90mA IOUT at 1.3V Input (SP6641A-3.3V)  
500mA IOUT at 2.6V Input (SP6641B-3.3V)  
100mA IOUT at 2.0V Input (SP6641A-5.0V)  
500mA IOUT at 3.3V Input (SP6641B-5.0V)  
Fixed 3.3V or 5.0V Output Voltage  
Up to 87% Efficiency  
SP6641  
5 Pin SOT-23  
SHDN  
0.3NFET RDSon  
APPLICATIONS  
PDA's  
DSC's  
CD/MP3 Players  
Pagers  
Startup Voltage Guaranteed at 0.9V  
0.33A Inductor Current Limit (SP6641A)  
1A Inductor Current Limit (SP6641B)  
Logic Shutdown Control  
SOT-23-5 Package  
Digital Cameras  
Portable Handheld Medical Devices  
DESCRIPTION  
The SP6641 is an ultra-low quiescent current, high efficiency, DC-DC boost converter designed  
for single and dual cell alkaline, or Li-ion battery applications found in PDA’s, MP3 players, and  
other handheld portable devices. The SP6641 features a 10µA quiescent current, a 0.3N-  
channelchargingswitch, 0.9Vinputstartup, anda0.33Aor1.0Ainductorcurrentlimitingfeature.  
TheSP6641isofferedina5pinSOT-23packageandprovidesanextremelysmallpowersupply  
footprint optimized for portable applications. The SP6641 is preset to 3.3V and can be controlled  
by a 1nA active LOW shutdown pin.  
L1  
0.9V to 4.5V  
700  
V
BATT  
650  
600  
550  
500  
450  
400  
350  
300  
250  
200  
150  
100  
50  
C1  
1
2
V
5
4
LX  
BATT  
®®  
GND  
U1  
D1  
SP6641A  
SP6641B, 1.0A, 3.3V  
SP6641B, 1.0A, 5V  
SP6641A, 0.33A, 3.3V  
SP6641A, 0.33A, 5V  
3
V
OUT  
SHDN  
SHDN  
C3  
R1  
V
OUT  
+3.3V or 5V  
C2  
SP6641A 3.3V & 5V: C1 = C2 = 22µF Ceramic, L1 = 22µH CDRH5D28,  
0
1.0  
D1 = MBR0520, C3 = Open, R1 = Shorted.  
1.5  
2.0  
2.5  
3.0  
(V)  
3.5  
4.0  
4.5  
SP6641B 3.3V & 5V: C1 = C2 = 100µF POSCAP, L1 = 10µH CDRH5D28,  
D1 = ZHCS2000, C3 = 1µF Ceramic, R1 = 10.  
V
IN  
Figure 2. Maximum Load Current in Operation  
Figure 1. Typical Application Schematic  
Rev. 3/5/02, *Patent Pending  
SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23  
© Copyright 2002 Sipex Corporation  
1

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