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参数资料
| 型号： | AT73C204J |
| 厂商： | Atmel |
| 文件页数： | 8/18页 |
| 文件大小： | 0K |
| 描述： | IC PWR MNGMT FOR MOBILES 49-BGA |
| 标准包装： | 576 |
| 应用： | 移动电话 |
| 电流 - 电源： | 11µA |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-FBGA |
| 供应商设备封装： | 49-BGA（5x5） |
| 包装： | 托盘 |
Figure 6 shows typical efficiency levels of the DC-to-DC converter for several input
voltages.
Figure 6. DC-to-DC Converter with 1.9V Target Typical Case (1)
100
95
90
85
80
75
VIN=3.1V
VIN=3.6V
VIN=4.2V
70
0
50
100
150
200
250
300
350
400
Load Current (m A)
Note:
1. L = 10 μH, ESR = 0.2 Ohm, c = 22 μF, @ESR = 0.1 Ohm
LDO1, LDO3, LDO4,
LDO5
The PSRR measures the degree of immunization against voltage fluctuations achieved
by a regulator. An example of its importance is in the case of a GSM phone when the
antenna switch activates the RF power amplifier (PA). This causes a current peak of up
to 2A on the battery, with an important spike on the battery voltage. The voltage regula-
tor must filter or attenuate this spike.
Figure 7. Functional Diagram of LDO Single Mode
V BAT
V INT
ON
ON
IBIAS
V BG
ON
Pass
Device
V OUT
8
AT73C204
GND
GND
ON
Current
Sensing and
Limiter
GND
ON
V OUTS
R1
R2
GND
6014A–PMGMT–10/03
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT73C205 | 功能描述:其他电源管理 NGD MONOLITHIC NUMERIC IC RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| AT73C206 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Power Management And Analog Companions (PMAAC) |
| AT73C209 | 功能描述:其他电源管理 NGD : MONOLITHIC NUMERIC IC RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| AT73C209-EK | 功能描述:开发板和工具包 - ARM AT73C209 EVALUATION BOARD RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| AT73C211 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Power Management |
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