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參數(shù)資料
| 型號： | AAT1171IWP-1-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch |
| 中文描述： | 600毫安電壓調(diào)節(jié)射頻功率放大器的旁路開關(guān)降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/22頁 |
| 文件大小： | 797K |
| 代理商： | AAT1171IWP-1-T1 |
Pin Descriptions
Pin Configuration
TDFN33-12
(Top View)
N/C
VOUT
VOUT
VCC
AGND
DAC
1
LX
PGND
VIN
MODE/SYNC
BYPASS
EN
2
3
4
5
6
12
11
10
9
8
7
Pin #
Symbol
Function
1
N/C
VOUT
Not connected.
Feedback input pin. This pin is connected to the converter output. It is used to complete
the control loop, regulating the output voltage to the desired value. When in bypass
mode, a low resistance MOSFET is connected between this pin and VIN.
Bias supply. Supply power for the internal circuitry. Connect to input power via low pass
filter with decoupling to AGND.
Analog ground. Connect the return of all small signal components to this pin.
Control voltage input from a DAC. Input voltage between 0.2V and 1.2V to control output
voltage of the converter. Force pin to 1.3V for bypass switch enable.
Enable DC/DC converter, active high.
Enable control to bypass the DC/DC converter when PA transmitting at full power from
low battery voltage. Active high.
This pin is used to program the device between PWM and LL mode:
HIGH - PWM Mode Only
LOW - LL Mode: PWM operation for loads above 100mA and variable switching frequen-
cy for loads below 100mA
Connecting the SYNC pin to the system clock (19.8MHz) will override the internal clock
and force the switching frequency to the external clock frequency divided by 10.
Input supply voltage for the converter. Must be closely decoupled.
Main power ground. Connect to the output and input capacitor return.
Switching node. Connect the inductor to this pin. It is connected internally to the drain of
both low- and high-side MOSFETs.
Exposed paddle (bottom). Connect to ground directly beneath the package.
2, 3
4
VCC
5
6
AGND
DAC
7
8
EN
BYPASS
9
MODE/SYNC
10
11
12
VIN
PGND
LX
EP
AAT1171
600mA Voltage-Scaling Step-Down Converter
for RF Power Amplifiers with Bypass Switch
2
1171.2006.06.1.0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1171IWP-4-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT1171IWP-5-T1 | 制造商:SKYWORKS 制造商全稱:SKYWORKS 功能描述:600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch |
| AAT1184 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Voltage Step-Down Regulator |
| AAT1184ITP-0.6-DB1 | 制造商:SKYWORKS SOLUTIONS 功能描述:Evaluation Board for AAT1184 High Voltage Step-Down Regulator |
| AAT1184ITP-0.6-T1 | 制造商:SKYWORKS SOLUTIONS 功能描述:AAT1184 Series 24 V 490 kHz 1.2 A Step-Down High Voltage Regulator-TSOPJW-12 |
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