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參數(shù)資料
| 型號： | Si9160BQ-T1 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Controller for RF Power Amplifier Boost Converter |
| 中文描述： | 射頻功率放大器控制器升壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 119K |
| 代理商： | SI9160BQ-T1 |
Si9160
Vishay Siliconix
Document Number: 70029
S-40700—Rev. H, 19-Apr-04
www.vishay.com
1
Controller for RF Power Amplifier Boost Converter
FEATURES
High Frequency Switching (up to 2 MHz)
Optimized Output Drive Current (350 mA)
Standby Mode
Wide Bandwidth Feedback Amplifier
Single-Cell LiIon and Three-cell NiCd or NiMH Operation
DESCRIPTION
The Si9160 Controller for RF Power Amplifier Boost Converter
is a fixed-frequency, pulse-width-modulated power conversion
controller designed for use with the Si6801 application specific
MOSFET. The Si9160 and the Si6801 are optimized for high
efficiency switched-mode power conversion at 1 MHz and
over. The device has an enable pin which can be used to put
the converter in a low-current mode compatible with the
standby mode of most cellular phones. A wide bandwidth
feedback amplifier minimizes transient response time allowing
the device to meet the instantaneous current demands of
today’s digital protocols. The input voltage range
accommodates minimal size and cost battery pack
configurations.
Frequency control in switching is important to noise
management techniques in RF communications. The Si9160
is easily synchronized for high efficiency power conversion at
frequencies in excess of 1 MHz.
Optimizing the controller and the synchronous FETs results in
the highest conversion efficiency over a wide load range at the
switching frequencies of interest (1 MHz or greater). It also
minimizes the overshoot and gate ringing associated with
drive current and gate charge mismatches.
When disabled, the converter requires less than 330 A. This
capability minimizes the impact of the converter on battery life
when the phone is in the standby mode.
Finally, operating voltage is optimized for LiIon battery
operation (2.7 V to 4.5 V) and can also be used with three-cell
NiCd or NiMH (3 V to 3.6 V), as well as four-cell NiCd or NiMH
(4 V to 4.8 V) battery packs.
The Si9160 is available in both standard and lead (Pb)-free
packages.
APPLICATION CIRCUIT
C
OSC
Si9160
1 Cell
LiIon
D
R
V
DD
V
S
D
MAX
D
S
COMP
UVLO
SET
FB
NI
V
REF
ENABLE
GND
R
OSC
PGND
N/C
To Power
Management
5
6
7
8
2
3
4
1
S
2
D
1
D
2
S
1
S
2
G
1
G
2
S
1
6 V @ 500 mA
Si6801
20 F
0.1 F
0.1 F
2.2 k
100 k
10 k
0.1 F
0.1 F
56 pF
12 k
100
5600 pF
3.6 k
1.2 k
20 F
LS4148
4.7 H
LS4148
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI9160BQ-T1-E3 | 功能描述:DC/DC 開關(guān)控制器 Boost Conv For RF Pwr Amp RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| SI9160DB | 功能描述:電源管理IC開發(fā)工具 SI9160 Demo Board RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| SI9161 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Optimized-Efficiency Controller for RF Power Amplifier Boost Converter |
| SI9161BQ-T1 | 功能描述:DC/DC 開關(guān)控制器 Opt-Efficiency Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| SI9161BQ-T1-E3 | 功能描述:DC/DC 開關(guān)控制器 Opt-Efficiency Cont For RF Power Amp RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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