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参数资料
| 型号： | MAX1821EUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK WCDMA 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，WCDMA 功率放大器应用 |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 带卷 (TR) |
WCDMA Cellular Phone 600mA
Buck Regulators
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
1.6
1.2
0.8
0.4
0
OUTPUT SWITCHING HARMONICS
vs. FREQUENCY
(V IN = 3.8V, V OUT = 3.4V, I LOAD = 600mA)
1.6
1.2
0.8
0.4
0
OUTPUT SWITCHING HARMONICS
vs. FREQUENCY
(V IN = 3.8V, V OUT = 1.8V, I LOAD = 300mA)
0.1
1
10
0.1
1
10
1.6
1.2
0.8
0.4
0
FREQUENCY (MHz)
OUTPUT SWITCHING HARMONICS
vs. FREQUENCY
(V IN = 4.2V, V OUT = 0.4V, I LOAD = 30mA)
4.0
3.0
2.0
1.0
0
FREQUENCY (MHz)
OUTPUT NOISE (V IN = 3.6V,
V OUT = 1.8V, I OUT = 300mA)
0.1
1
10
0.1
1
10
100
250
FREQUENCY (MHz)
FREQUENCY (MHz)
Pin Description
PIN
MAX1820
UCSP
MAX1820
μMAX
MAX1821
UCSP
MAX1821
μMAX
NAME
FUNCTION
PWM/Skip-Mode Input. Drive with logic 0 to use PWM at medium
A1
1
A1
1
SKIP
and heavy loads and pulse skipping at light loads. Drive with
logic 1 to force PWM at all loads.
A2
2
A2
2
COMP
Compensation. Typically, connect an 82k ? (for MAX1821) or
43k ? (for MAX1820) series resistor and 330pF capacitor from
this pin to GND to stabilize the regulator.
A3
3
—
—
OUT
Output Voltage Sense Input. Connect OUT directly to the output.
8
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1821EUB-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1821XEBC | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1821XEBC+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1821XEBC+T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1821XEBC-T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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