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SP7655ER PDF预览

SP7655ER

更新时间: 2024-02-12 18:36:40
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输出元件
页数 文件大小 规格书
16页 1791K
描述
Wide Input Voltage Range, 8Amp 300kHz, Buck Regulator

SP7655ER 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
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 V
JESD-30 代码:R-XDSO-N26JESD-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:10 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:300 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:40宽度:4 mm
Base Number Matches:1

SP7655ER 数据手册

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SP7655  
Wide Input Voltage Range, 8Amp  
300kHz, Buck Regulator  
TM  
Power  
Blox  
SP7655  
DFN PACKAGE  
7mm x 4mm  
FEATURES  
2.5Vto28VStepDownAchievedUsingDualInput  
OutputVoltagedownto0.8V  
8AOutputCapability  
P
GND  
1
2
3
26  
25  
24  
23  
LX  
LX  
LX  
TOP VIEW  
P
GND  
Heatsink Pad 1  
Connect to Lx  
P
GND  
BuiltinLowR PowerSwitches(15m 1 typ)  
DSON  
HighlyIntegratedDesign,MinimalComponents  
300kHzFixedFrequencyOperation  
UVLODetectsBothV andV  
GND  
4
5
LX  
V
FB  
22 V  
CC  
COMP  
UVIN  
GND  
SS  
CC  
IN  
21 GND  
20 GND  
6
7
Heatsink Pad 2  
Connect to GND  
OverTemperatureProtection  
ShortCircuitProtectionwithAuto-Restart  
WideBWAmpAllowsTypeIIorIIICompensation  
ProgrammableSoftStart  
8
9
19  
18  
GND  
BST  
V
IN 10  
17  
16  
NC  
LX  
Heatsink Pad 3  
FastTransientResponse  
V
IN 11  
Connect toV  
IN  
HighEfficiency:Greaterthan95%Possible  
Non-synchronousStart-UpintoaPre-ChargedOutput  
Lead Free, RoHS Compliant Package: Small7mmx4mmDFN  
U.S.Patent#6,922,041  
V
IN 12  
15 LX  
14  
V
IN 13  
LX  
DESCRIPTION  
TheSP7655isasynchronousstep-downswitchingregulator optimizedforhighefficiency. Thepartisdesignedtobe  
especiallyattractivefordualsupply,12Vor24Vdistributedpowersystemssteppeddownwith5Vusedtopowerthe  
controller. This lower V voltageminimizespowerdissipationinthepartandisusedtodrivethetopswitch.The  
CC  
SP7655isdesignedtoprovideafullyintegratedbuckregulatorsolutionusingafixed300kHzfrequency,PWMvoltage  
mode architecture. Protection features include UVLO, thermal shutdown and output short circuit protection. The  
SP7655isavailableinthespacesavingDFNpackage  
.
TYPICAL APPLICATION CIRCUIT  
U1  
SP7655  
L1  
VOUT  
3.30V  
0-8A  
1
2
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
PGND  
PGND  
PGND  
GND  
VFB  
LX  
LX  
2.2uH, Irate=8A  
RZ3  
7.15k1  
1%  
RZ2  
CZ2  
C3  
47uF  
6.3V  
3
LX  
+5V  
VCC  
15k1,1%  
1,000pF  
4
LX  
R1  
CP1  
22pF  
CZ3  
150pF  
5
68.1k1,1%  
VCC  
GND  
GND  
GND  
BST  
NC  
6
CVCC  
2.2uF  
COMP  
UVIN  
GND  
SS  
7
CF1  
ENABLE  
8
RSET  
21.5k1,1%  
(note 2)  
100pF  
DBST  
9
10  
11  
12  
13  
SD101AWS  
VIN  
CSS  
47nF  
VIN  
LX  
CBST  
6,800pF  
VIN  
LX  
VIN  
LX  
VIN  
12V  
fs=300Khz  
C1  
C4  
Notes:  
22uF  
22uF  
16V  
16V  
1. U1 Bottom side layout should  
have three contacts isolated from  
one another: Vin, SWNODE, and GND.  
GND  
2. RSET=54.48/(Vout-0.8V) KOhms  
Rev E: 3/2ꢀ/07  
SP7655 Wide Input Voltage Range 8A, 300kHz, Buck Regulator  
© 2007 Sipex Corporation  

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