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參數資料
| 型號： | TLE6389-3GV50 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 穩壓器 |
| 英文描述： | 2.3 A SWITCHING CONTROLLER, 420 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | PLASTIC, SOP-14 |
| 文件頁數： | 12/38頁 |
| 文件大小： | 1233K |
| 代理商： | TLE6389-3GV50 |
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TLE 6389
Datasheet Rev. 2.1
2
2007-08-13
1.2
Short functional description
The TLE 6389 step-down DC-DC switching controllers provide high efficiency over loads
ranging from 1mA up to 2.5A. 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 120A,
depending on dimensioning of external components. In addition the adjustable version
TLE6389-2 GV can be shut down via the Enable input reducing the input current to
<2A. The TLE 6389 step-down controllers drive an external P-channel MOSFET,
allowing design flexibility for applications up to 12.5W of output power. A high switching
frequency and operation in continuous-conduction mode allow the use of tiny surface-
mount inductors. Output capacitor requirements are also reduced, minimizing PC board
area and system costs. The output voltage is preset at 5V (TLE6389-2 GV50 and
TLE6389-3 GV50) and adjustable for the TLE6389-2 GV. The version TLE6389-2 GV50
features a reset function with a threshold between 4.5V and 4.8V, including a small
hysteresis of typ. 50mV. In the version TLE6389-3 GV50 the device incorporates a reset
with a typ. 1V hysteresis. Input voltages of all TLE 6389 can be up to 60V.
1.3
Pin Configuration (top view)
8
9
10
11
12
7
6
5
4
3
2
13
1
14
P-D-SO-14
ENABLE /
SI_ENABLE
FB
VOUT
GND
SYNC
SI_GND
SI
CS
VS
GDRV
BDS
RO
SO
COMP
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| TLE63893GV50XUMA1 | 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:DC/DC CONVERTER - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG CTRLR BUCK PWM CM DSO-14 |
| TLE6389G 50 | 功能描述:DC/DC 開關控制器 Step-Down DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TLE6389G 50-1 | 功能描述:DC/DC 開關控制器 Step-Down DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TLE6389G33 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Step - Down DC/DC Controller |
| TLE6389G33-1 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Step - Down DC/DC Controller |
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