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L6995S PDF预览

L6995S

更新时间: 2024-02-08 13:51:43
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 输出元件输入元件控制器
页数 文件大小 规格书
25页 337K
描述
SWITCHING CONTROLLER, PDSO20, MO-153-AC, TSSOP-20

L6995S 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP, TSSOP20,.25
针数:20Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82模拟集成电路 - 其他类型:SWITCHING CONTROLLER
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-PDSO-G20
JESD-609代码:e0长度:6.5 mm
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP20,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:PUSH-PULL温度等级:OTHER
端子面层:TIN LEAD端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

L6995S 数据手册

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L6995  
STEP DOWN CONTROLLER FOR HIGH DIFFERENTIAL  
INPUT-OUTPUT CONVERSION  
FEATURE  
CONSTANT ON TIME TOPOLOGY ALLOWS  
OPERATION WITH LOWER DUTY THAN  
PWM TOPOLOGY  
VERY FAST LOAD TRANSIENTS  
5V V SUPPLY  
1.5V TO 28V INPUT VOLTAGE RANGE  
cc  
TSSOP20  
ORDERING NUMBERS: L6995D  
L6995DTR  
0.9V ±1% V  
REF  
MINIMUM OUTPUT VOLTAGE AS LOW AS 0.9V  
SELECTABLE SINKING MODE  
LOSSLESS CURRENT LIMIT  
REMOTE SENSING  
OVP,UVP LATCHED PROTECTIONS  
600µA TYP QUIESCENT CURRENT  
POWER GOOD AND OVP SIGNALS  
PULSE SKIPPING AT LIGHT LOADS  
DESCRIPTION  
The device is a step-down controller specifically de-  
signed to provide extremely high efficiency conver-  
sion, with losses current sensing tecnique.  
The "constant on-time" topology assures fast load  
transient response. The embedded "voltage feed-for-  
ward" provides nearly constant switching frequency  
operation.  
An integrator can be introduced in the control loop to  
reduce the static output voltage error.  
APPLICATIONS  
I/O BUS FOR CPU CORE SUPPLY  
NOTEBOOK COMPUTERS  
NETWORKING DC-DC  
DISTRIBUTED POWER  
The available remote sensing improve the static and  
dynamic regulation recovering the wires voltage  
drop. Pulse skipping technique reduces power con-  
sumption at light load. Drivers current capability al-  
lows output current in excess of 20A.  
MINIMUM COMPONENT COUNT APPLICATION  
28V  
Rin2  
Rin1  
5V  
CIN  
OSC  
BOOT  
5V  
D
BOOT  
C
HGATE  
BOOT  
HS  
Vo  
PHASE  
LGATE  
L
0.9V  
LS  
DS  
C
OUT  
RILIM  
PGND  
GND  
ILIM  
SS  
L6995  
NOSKIP  
VSENSE  
C
SS  
INT  
VFB  
VREF  
C
VREF  
December 2002  
1/25  
This is preliminary information on a new product now in development. Details are subject to change without notice.  

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