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| 型号： | TLE6389G50-1 |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 420 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封装： | PLASTIC, DSO-14 |
| 文件页数： | 19/37页 |
| 文件大小： | 368K |
| 代理商： | TLE6389G50-1 |
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TLE 6389
Preliminary data sheet Rev. 1.0
26
2003-05-05
7
Application information
7.1
General
The TLE6389 step-down DC-DC controllers are designed primarily for use in
Automotive applications where high input voltage range requirements have to be met.
Using an external P-MOSFET and current-sense resistor allows design flexibility and the
improved efficiencies associated with high-performance P-channel MOSFETs. The
unique, peak current-limited, PWM/PFM control scheme gives these devices excellent
efficiency over wide load ranges, while drawing around 100A current from the battery
under no load condition. This wide dynamic range optimizes the TLE6389 for automotive
applications, where load currents can vary considerably as individual circuit blocks are
turned on and off to conserve energy. Operation to a 100% duty cycle allows the lowest
possible dropout voltage, maintaining operation during cold cranking. High switching
frequencies and a simple circuit topology minimize PC board area and component costs.
7.2
Typical application circuits
Figure 2
Application circuit TLE6389G50-1 and TLE6389G50
M1
D1
C
OUT =
100
F
V
OUT
C
BDS=
220 nF
V
IN
L
1 = 47 H
GDRV
BDS
FB
GND
SI_ENABLE
VS
C
IN1 =
100
F
ON
OFF
CS
R
SENSE=
0.05
M1: Infineon BSO613SPV
Infineon BSP613P
D1:
Motorola MBRD360
L1:
EPCOS B82479-A1473-M
Coilcraft DO3340P-473
C
IN1: Electrolythic
C
IN2: Ceramic
C
OUT: Low ESR Tantalum
SI_GND
SI
R
SI1=
400k
C
IN2 =
220nF
R
SI2=
100k
RO
SO
RD
C
RD =100nF
SYNC
V
OUT
I
OUT
TLE6389G50-1
11
14
12
2
3
9
10
8
4
5
1
7
13
6
VOUT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE6389G501NTMA1 | 制造商:Infineon Technologies AG 功能描述:DC DC Cntrlr Single-OUT Step Down 5V to 60V Input 14-Pin DSO 制造商:Infineon Technologies AG 功能描述:IC REG BUCK BOOST 5V 3A PDSO14 |
| TLE6389G50NTMA1 | 制造商:Infineon Technologies AG 功能描述:DC DC Cntrlr Single-OUT Step Down 5V to 60V Input 14-Pin DSO 制造商:Infineon Technologies AG 功能描述:IC REG BUCK BOOST 5V 3A PDSO14 |
| TLE6389GV | 功能描述:DC/DC 开关控制器 Step-Down DC/DC Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TLE6389GVT | 制造商:Infineon Technologies AG 功能描述:DC DC Cntrlr Single-OUT Step Down 5V to 60V Input 14-Pin DSO T/R |
| TLE6710Q | 功能描述:接口 - 专用 Combined Power Supply and Firing IC RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
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