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| 型號： | ILC6383CIR-33 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 77K |
| 代理商： | ILC6383CIR-33 |
www.fairchildsemi.com
Rev. 1.5
2001 Fairchild Semiconductor Corporation
Features
85% efficiency at 50mA
Start-up voltages as low as 900mV
±2.5% accurate outputs
Complete switcher design with only 3 external
components
50, 100 and 180kHz switching frequency versions
available
Shutdown to 0.5μA Iq
External transistor option allows several hundred
milliamp switcher design
Applications
Cellular Phones, Pagers
Portable Cameras and Video Recorders
Palmtops and PDAs
Description
100mA boost converter in 5-lead SOT-89 package using both
PFM and PWM conversion techniques. In normal operation
the ILC6380 runs in PWM mode running at one of three fixed
frequencies. At light loads the ILC6380 senses when the duty
cycle drops to approximately 10%, and automatically
switches into a power-saving PFM switching technique. This
maintains high efficiencies both at full load and in system
sleep conditions.
Only 3 external components are needed to complete the
switcher design, and standard voltage options of 2.5, 3.3, and
5.0V at ±2.5% accuracy feature on-chip phase compensation
and soft-start design.
ILC6381 drives an external transistor for higher current
switcher design, with all of the features and benefits of the
ILC6380.
Typical Applications
L
V
IN
SD
+
V
OUT
CE
1
3
2
4
5
ILC6380
C
L
GND
L
V
IN
SD
+
V
OUT
CE
1
3
2
4
5
ILC6381
C
L
Tr
GND
R
B
C
B
Figure 1:
L: 100μH (SUMIDA, CD-54)
SD: Diode (Schottky diode; MATSUSHITA MA735)
CL: 16V 47μF (Tantalum Capacitor; NICHICON, F93)
Figure 2:
L: 47μH (SUMIDA, CD-54)
SD: Diode (Schottky diode; MATSUSHITA MA735)
CL: 16V 47μF (Tantalum Capacitor; NICHICON, F93)
RB: 1kW
CB: 3300pF
Tr: 2SC3279, 2SDI628G
ILC6380/81
SOT-89 Step-up Dual-Mode Switcher with Shutdown
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ILC6383CIR33X | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| ILC6383CIR-50 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| ILC6383CIR50X | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 DC/DC Boost Conv 1to3 Cell RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| ILC6383CIR-ADJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| ILC6383CIRADJX | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 DC/DC Boost Conv 1to3 Cell RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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