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SP7653ER-L PDF预览

SP7653ER-L

更新时间: 2024-11-22 22:14:07
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
页数 文件大小 规格书
12页 206K
描述
Wide Input Voltage Range, 1.3MHz,Buck Regulator

SP7653ER-L 技术参数

是否Rohs认证:符合生命周期:Transferred
包装说明:7 X 4 MM, ROHS COMPLIANT, DFN-26Reach Compliance Code:unknown
风险等级:5.76Is Samacsys:N
其他特性:IT IS ALSO OPERATES IN 3 TO 28 VOLT模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:4.5 V
标称输入电压:5 VJESD-30 代码:R-XDSO-N26
JESD-609代码:e3长度:7 mm
湿度敏感等级:3功能数量:1
端子数量:26最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:5 A
封装主体材料:UNSPECIFIED封装代码:HVSON
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1 mm表面贴装:YES
切换器配置:BUCK最大切换频率:1300 kHz
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

SP7653ER-L 数据手册

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®
Preliminary  
SP7653  
TM  
Wide Input Voltage Range, 1.3MHz,  
Buck Regulator  
Power  
Blox  
FEATURES  
SP7653  
DFN PACKAGE  
2.5V to 20V Step Down Achieved Using Dual Input  
Output Voltage down to 0.8V  
7mm x 4mm  
P
P
GND  
GND  
GND  
1
2
3
26  
25  
24  
23  
LX  
LX  
LX  
TOP VIEW  
3A Output Capability  
Heatsink Pad 1  
Connect to Lx  
Built in Low RDSON Power Switches (40 mtypical)  
Highly Integrated Design, Minimal Components  
1.3MHz Fixed Frequency Operation  
UVLO Detects Both VCC and VIN  
P
GND  
4
5
LX  
V
FB  
22 V  
CC  
COMP  
UVIN  
GND  
SS  
21 GND  
20 GND  
6
7
Heatsink pad 2  
Connect to GND  
Over Temperature Protection  
8
9
19  
18  
GND  
BST  
Short Circuit Protection with Auto-Restart  
Wide BW Amp Allows Type II or III Compensation  
Programmable Soft Start  
V
IN 10  
17  
16  
NC  
LX  
Heatsink pad 3  
V
V
V
IN 11  
IN 12  
Connect to V  
IN  
Fast Transient Response  
15 LX  
14  
High Efficiency: Greater than 95% Possible  
Asynchronous Start-Up into a Pre-Charged Output  
Small 7mm x 4mm DFN Package  
LX  
IN 13  
Now Available in Lead Free Packaging  
DESCRIPTION  
The SP7653 is a synchronous step-down switching regulator optimized for high efficiency. The part is designed to be  
especially attractive for dual supply, 12V to 20V distributed power systems stepped down with 5V used to power the  
controller.ThislowerVCC voltageminimizespowerdissipationinthepartandisusedtodrivethetopswitch.TheSP7653  
is designed to provide a fully integrated buck regulator solution using a fixed 1.3MHz frequency, PWM voltage mode  
architecture. Protection features include Under Voltage Lock Out (UVLO), thermal shutdown and output short circuit  
protection. The SP7653 is available in the space saving DFN package.  
TYPICAL APPLICATION CIRCUIT  
L1: IHLP2525CZER2R2M01  
U1  
2.2uH, Irate=8A  
SP7653  
DCR=18mOhm  
1
2
26  
25  
PGND  
PGND  
LX  
LX  
VOUT  
3.30V  
C3  
CERAMIC  
X5R  
RZ2  
CZ2  
C3  
RZ3  
158,1%  
3
4
5
24  
23  
22  
0-3A  
R1  
68.1k,1%  
PGND  
GND  
LX  
LX  
38.3k, 1%  
1.5nF  
47uF  
6.3V  
CP1  
CZ3  
820pF  
VFB  
VCC  
GND  
3.3pF  
6
7
8
21  
20  
19  
COMP  
CVCC  
2.2uF  
CF1  
100pF  
UVIN  
GND  
SS  
GND  
GND  
BST  
GND2  
9
18  
17  
16  
R2  
21.5k,1%  
10  
RBST  
5.11, 1%  
CSS  
22nF  
VIN  
VIN  
VIN  
NC  
LX  
LX  
11  
DBST  
SD101AWS  
12  
13  
15  
14  
CBST  
1uF  
VIN  
LX  
VIN  
12V  
fs=1.3MHz  
U2  
SPX5205  
R3  
200k,1%  
Notes:  
C1,C5  
CERAMIC  
X5R  
1
5
4
VIN VOUT  
C1  
22uF  
16V  
C5  
U1 Bottom-Side Layout should have three  
Contacts which are isolated from one  
2
3
GND  
22uF  
16V  
EN  
BYP  
another: QT Contact, QB Drain Contact, and  
R4  
100k,1%  
C2  
0.1uF  
Controller GND Contact.  
ALL RESISTORS & CAPACITORS SIZE 0603 UNLESS  
OTHERWISE SPECIFIED.  
GND  
Date: 03/25/05  
SP7653 Wide Input Voltage Range, 1.3MHz, Buck Regulator  
© Copyright 2005 Sipex Corporation  
1

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