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參數(shù)資料
| 型號(hào)： | MAX8896EREE+T |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 14/17頁 |
| 文件大小： | 449K |
| 描述： | IC REG TRPL BCK/LINEAR 16UCSP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 拓?fù)洌?/td> | 降壓（降壓）同步（2），線性（LDO）（1） |
| 功能： | 任何功能 |
| 輸出數(shù)： | 3 |
| 頻率 - 開關(guān)： | 2MHz |
| 電壓/電流 - 輸出 1： | 0.2 V ~ 1.7 V，700mA |
| 電壓/電流 - 輸出 2： | 3.1V，200mA |
| 電壓/電流 - 輸出 3： | 2.8V，200mA |
| 帶 LED 驅(qū)動(dòng)器： | 無 |
| 帶監(jiān)控器： | 無 |
| 帶序列發(fā)生器： | 無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFBGA，CSPBGA |
| 供應(yīng)商設(shè)備封裝： | 16-UCSP（4x4） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | MAX8896EREE+TDKR |
Dual PWM Step-Down Converter in a 2mm x
2mm Package for WCDMA PA and RF Power
14 ______________________________________________________________________________________
Input Capacitor Selection
The input capacitor (C
IN
) reduces the current peaks
drawn from the battery or input power source and
reduces switching noise in the MAX8896. The imped-
ance of C
IN
at the switching frequency should be kept
very low. Ceramic capacitors with X5R or X7R tempera-
ture characteristics are highly recommended due to
their small size, low ESR, and small temperature coeffi-
cients. A 4.7礔 capacitor is recommended for C
IN1
and
2.2礔 for C
IN2
. For optimum noise immunity and low
input ripple, the input capacitor value can be
increased.
Note that some ceramic dielectrics exhibit large capac-
itance and ESR variation with temperature and DC bias.
Ceramic capacitors with Z5U or Y5V temperature char-
acteristics should be avoided.
Thermal Considerations
In most applications, the MAX8896 does not dissipate
much heat due to its high efficiency. But in applications
where the MAX8896 runs at high ambient temperature
with heavy loads, the heat dissipated may exceed the
maximum junction temperature of the part. If the junction
temperature reaches approximately +160癈, the thermal-
overload protection is activated.
2MHz
OUT1
LX1
PGND1
PAOUT
IN1
RFEN1
REFIN
REF
REFBP
*DE2818C
AGND
LDO
IN2
PAEN
CONTROL
PA ENABLE
RF ENABLE 1
ANALOG
CONTROL
2MHz
OUT2
LX2
PGND2
RFEN2
OUT2
1000pF
RF ENABLE 2
2.7V TO 5.5V
0.1礔
V
CC
4.7礔
0.033礔
2.2礖
BRL2012T 2R2M
2.2礔
V
RF
(2.8V)
2.2礔
4.7礖*
V
PA
4.7礔
MAX8896
V
OUT2
(3.1V)
LDO
OUT2
1礔
Figure 3. Typical Applications Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8896EVKIT+ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual PWM Step-Down Converter in a 2mm x 2mm Package for WCDMA PA and RF Power 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 |
| MAX8899EVKIT+ | 制造商:Maxim Integrated Products 功能描述:EVALUATION KIT FOR MAX8899 - Boxed Product (Development Kits) |
| MAX8899EWZ+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX8899EWZ+T | 制造商:Maxim Integrated Products 功能描述:WCDMA/EDGE/GPRS/GSM/CDMA - Tape and Reel |
| MAX8899EWZ+TCAA | 制造商:Maxim Integrated Products 功能描述:WCDMA/EDGE/GPRS/GSM/CDMA PHONE PMIC - Rail/Tube |
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