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Maxim > 方案 > 蜂窝手机
PA buck转换器
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| 显示 |
标题/型号 |
关键优势 |
| QV PDF |
MAX8805W/X/Y/Z评估板
MAX8805WEVKIT
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| QV PDF |
600mA/650mA PWM降压型转换器，2mm x 2mm WLP封装，用于WCDMA PA供电
MAX8805, MAX8805W, MAX8805X, MAX8805Y, MAX8805Z
| (4mm)²的小尺寸封装，为2个WCDMA PA模块提供供电和偏置 |
| QV PDF |
2.5MHz/1.5MHz降压型转换器，具有60mΩ旁路开关，采用TDFN封装，用于CDMA PA供电
MAX8581, MAX8582
| 超小尺寸的1.5MHz、降压型DC-DC转换器，能够以94%的效率提供600mA电流，采用小尺寸TDFN封装 |
| QV PDF |
带有75mΩ旁路FET的PWM降压型DC-DC转换器，适用于WCDMA和cdmaOne手机
MAX8506, MAX8507, MAX8508
| PWM降压型DC-DC转换器，提供75mΩ旁路FET，用于WCDMA、cdmaOne™手机 |
| QV PDF |
用于WCDMA蜂窝电话的600mA buck稳压器
MAX1820, MAX1820Y, MAX1820Z, MAX1821, MAX1821X
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| Key Specifications:
Switch-Mode DC-DC Power Supplies |
| Part Number |
Topology |
VIN (min) (V) |
VIN (max) (V) |
Number of DC-DC Outputs |
Digital/VID Programmed Output |
Min. Adjustable VOUT (V) |
Max. Adjustable VOUT (V) |
IOUT (A) |
Operating Current, ICC (max) (mA) |
Fixed Freq/PWM Operation |
Operating Freq. (kHz) |
Internal Power Switch(es) |
Synchronous Rectifier |
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MAX1820
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Step-Down
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2.6
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5.5
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1
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No
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0.4
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3.5
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0.6
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0.36
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Yes
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1000
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Yes
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Yes
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MAX1821
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Step-Down
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2.6
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5.5
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1
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No
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1.25
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5.5
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0.6
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0.36
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Yes
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1000
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Yes
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Yes
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MAX8506
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Step-Down
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2.6
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5.5
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1
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No
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0.4
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3.5
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0.6
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0.25
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Yes
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1000
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Yes
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Yes
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MAX8507
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Step-Down
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2.6
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5.5
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1
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No
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0.4
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3.5
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0.6
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0.25
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Yes
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1000
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Yes
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Yes
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MAX8508
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Step-Down
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2.6
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5.5
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1
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No
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0.75
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3.5
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0.6
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0.25
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Yes
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1000
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Yes
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Yes
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MAX8581
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Step-Down
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2.7
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5.5
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1
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No
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0
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5
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0.6
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4
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Yes
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2500
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Yes
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Yes
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MAX8582
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Step-Down
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2.7
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5.5
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1
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No
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0
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5
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0.6
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4
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Yes
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1500
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Yes
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Yes
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MAX8805
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Step-Down
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2.7
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5.5
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1
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No
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0.4
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5.5
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0.65
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3.5
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Yes
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2000
4000
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Yes
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Yes
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| See All Switch-Mode DC-DC Power Supplies (418) |
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