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参数资料
| 型号： | ADP1864-BL-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | EVAL BLANK ADISIMPOWER ADP1864 |
| 产品培训模块： | Active Filter Design Tools |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 稳压器拓扑结构： | 降压 |
| 板类型： | 部分填充 - 仅限主 IC |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADP1864 |
Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADP1864
COMP 1
ADP1864
6
PGATE
GND 2
TOP VIEW
5
IN
(Not to Scale)
FB 3
4
CS
Figure 2. Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
Mnemonic
COMP
GND
FB
CS
IN
PGATE
Description
Regulator Compensation Node. COMP is the output of the internal transconductance error amplifier. Connect a
series RC from COMP to GND to compensate for the control loop. Add an extra high frequency capacitor between
COMP and GND to further reduce switching jitter. The value of this is typically one-tenth of the main compensation
capacitor. Pulling the COMP pin below 0.3 V disables the ADP1864 and turns off the external PFET.
Analog Ground. Directly connect the compensation and feedback networks to GND, preferably with a small analog
GND plane. Connect GND to the power ground (PGND) plane with a narrow track at a single point close to the GND
pin. See the Layout Considerations section for more information.
Feedback Input. Connect a resistive voltage divider from the output voltage to FB to set the output voltage. The
regulation feedback voltage is 0.8 V. Place the feedback resistors as close as possible to the FB pin.
Current Sense Input. CS is the negative input of the current sense amplifier. It provides the current feedback signal
used to terminate the PWM on time. Place a current sense resistor between IN and CS to set the current limit. The
current limit threshold is typically 125 mV.
Power Input. IN is the power supply to the ADP1864 and the positive input of the current sense amplifier. Connect
IN to the positive side of the input voltage source. Bypass IN to PGND with a 10 μF or larger capacitor as close as possible
to the ADP1864. For additional high frequency noise reduction, add a 0.1 μF capacitor to PGND at the IN pin.
Gate Drive Output. PGATE drives the gate of the external P-channel MOSFET. Connect PGATE to the gate of the
external MOSFET.
Rev. C | Page 5 of 16
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参数描述 |
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| ADP1864-EVAL | 功能描述:电源管理IC开发工具 03-5 Amp non synchronous buck controller RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| ADP1864-EVALZ | 功能描述:BOARD EVALUATION ADP1864 RoHS:是 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 |
| ADP1870 | 制造商:AD 制造商全称:Analog Devices 功能描述:Synchronous Buck Controller with Constant On-Time and Valley Current Mode |
| ADP1870-0.3-EVALZ | 功能描述:BOARD EVAL FOR ADP1870-0.3 RoHS:是 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 |
| ADP1870-0.6-EVALZ | 功能描述:BOARD EVAL FOR ADP1870-0.6 RoHS:是 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 |
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