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TLE6389G33-1 PDF预览

TLE6389G33-1

更新时间: 2024-11-20 08:44:55
品牌 Logo 应用领域
英飞凌 - INFINEON 控制器
页数 文件大小 规格书
24页 130K
描述
Step - Down DC/DC Controller

TLE6389G33-1 数据手册

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Step-Down DC/DC Controller  
Target Datasheet  
TLE 6389  
Features  
• Operation from 5V to 60V Input Voltage  
• 100% Maximum Duty Cycle  
• Efficiency >90%  
• Output Current up to 3A  
P-DSO-14-3, -4, -9, -11  
• Less than 100µA Quiescent Current  
• 2µA Max Shutdown Current  
• Up to 350kHz Switching Frequency  
RSENSE  
=
• Adjustable and Fixed 5V and  
M1  
L1 = 47 µH  
VIN  
VOUT  
IOUT  
0.05  
3.3V Output Voltage versions  
• 3% output voltage accuracy  
(PWM Mode)  
• Current-Mode Control Scheme  
• On Chip Low Battery Detector  
• Ambient operation range  
-40°C to 125°C  
CIN1  
100  
=
COUT  
100  
=
F
CBDS  
=
µF  
D1  
µ
220 nF  
M1: Infineon SPD09P06PL  
D1: Motorola MBRD360  
L1: Coilcraft DO3340P-473  
Cin1: TBD  
11  
BDS  
14  
12  
GDRV  
2
CS  
3
FB  
13  
7
VOUT  
VS  
RSI1  
=
CIN2  
=
9
SO  
Cout: Low ESR Tantalum  
400k  
220nF  
TLE6389G50-1  
10  
SI  
RO  
RD  
RSI2=  
SI_GND SI_ENABLE SYNC GND  
100k  
6
1
5
4
8
CRD =100nF  
ON OFF  
Type  
Ordering Code  
on request  
on request  
on request  
on request  
on request  
Package  
Description  
adjustable  
TLE 6389 GV  
TLE 6389 G50  
TLE 6389 G50-1  
TLE 6389 G33  
TLE 6389 G33-1  
P-DSO-14  
P-DSO-14  
P-DSO-14  
P-DSO-14  
P-DSO-14  
5V, Device Enable  
5V, SI GND, SI Enable  
3.3V, Device Enable  
3.3V, SI GND, SI Enable  
Functional description  
The TLE6389 step-down DC-DC switching controllers provide high efficiency over loads  
ranging from 1mA up to 3A. A unique PWM/PFM control scheme operates with up to a  
100% duty cycle, resulting in very low dropout voltage. This control scheme eliminates  
minimum load requirements and reduces the supply current under light loads to 100µA.  
These step-down controllers drive an external P-channel MOSFET, allowing design  
flexibility for applications up to 3A. A high switching frequency (up to 350kHz) and  
Target Datasheet Rev. 1.7  
1
2001-09-17  

TLE6389G33-1 替代型号

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