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参数资料
| 型号： | ADP3050-BL1-EVZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR ADP3050 |
| 标准包装： | 1 |
| 系列： | * |
Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADP3050
SWITCH 1
8
IN
BOOST 2
BIAS 3
ADP3050
TOP VIEW
7
6
GND
SD
FB 4 (Not to Scale)
5
COMP
Figure 2. Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
Mnemonic
SWITCH
BOOST
BIAS
FB
COMP
SD
GND
IN
Description
Switch Node. This pin is the emitter of the internal NPN power switch. The voltage at this pin switches between
V IN and approximately ?0.5 V.
Boost Pin. This pin is used to provide a boosted voltage (higher than V IN ) for the drive stage of the NPN power
switch. With the higher drive voltage, the power switch can be saturated, greatly reducing the switch power
losses.
Bias Input Pin. Connect this pin to the regulated output voltage to maximize system efficiency. When this pin is
above 2.7 V, most of the ADP3050 operating current is taken from the output instead of the input supply. Leave
unconnected if not used.
Feedback Pin. This feedback pin senses the regulated output voltage. Connect this pin directly to the output
(fixed output versions).
Compensation Node. This pin is used to compensate the regulator with an external resistor and capacitor. This
pin is also used to override the control loop. However, the voltage on this pin should not exceed 2 V, because
the pin is internally clamped to ensure a fast transient response. Use a pull-up resistor if this pin is to be pulled
higher than 2 V.
Shutdown Pin. Use this pin to turn the device on and off. If this feature is not needed, tie this pin directly to IN.
Ground Pin. Connect this pin to local ground plane.
Power Input. Connect this pin to the input supply voltage. An input bypass capacitor must be placed close to
this pin to ensure proper regulator operation.
Rev. C | Page 5 of 20
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相关代理商/技术参数 |
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|---|---|
| ADP3050-EVAL | 功能描述:BOARD EVAL FOR ADP3050 RoHS:否 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 标准包装:1 系列:- 主要目的:DC/DC，步降 输出及类型:1，非隔离 功率 - 输出:- 输出电压:3.3V 电流 - 输出:3A 输入电压:4.5 V ~ 28 V 稳压器拓扑结构:降压 频率 - 开关:250kHz 板类型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名称:497-12113STEVAL-ISA094V1-ND |
| ADP3050-EVALZ | 制造商:AD 制造商全称:Analog Devices 功能描述:200 kHz, 1 A High Voltage Step-Down Switching Regulator |
| ADP3051 | 制造商:AD 制造商全称:Analog Devices 功能描述:500 mA PWM Step-Down DC-DC with Synchronous Rectifier |
| ADP3051ARMZ-REEL | 制造商:Analog Devices 功能描述:CONV DC-DC SGL-OUT STEP DOWN 8MSOP - Tape and Reel |
| ADP3051ARMZ-REEL7 | 制造商:Analog Devices 功能描述:Conv DC-DC Single Step Down 2.7V to 5.5V 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:SWITCH REG SYNC BUCK 500MA 8MSOP |
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