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参数资料
| 型号： | ADP2107-1.8-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/36页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADP2107-1.8 |
| 产品培训模块： | Powering 90nm/65nm FPGAs and Processors |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1.8V |
| 电流 - 输出： | 2A |
| 输入电压： | 2.7 ~ 5.5 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 1.2MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADP2107 |
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Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
PIN 1
INDICATOR
ADP2105/ADP2106/ADP2107
EN 1
12 LX2
GND 2
GND 3
ADP2105/
ADP2106/
ADP2107
11 PGND
10 LX1
GND 4
TOP VIEW
(Not to Scale)
9
PWIN2
NOTES
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.
2. THE EXPOSED PAD SHOULD BE SOLDERED TO AN
EXTERNAL GROUND PLANE UNDERNEATH THE IC FOR
THERMAL DISSIPATION.
Figure 4. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
1
2, 3, 4, 15
5
6
7
8
9, 13
10, 12
11
14
16
Mnemonic
EN
GND
COMP
SS
AGND
NC
PWIN2,
PWIN1
LX1, LX2
PGND
IN
FB
EP
Description
Enable Input. Drive EN high to turn on the device. Drive EN low to turn off the device and reduce the input
current to 0.1 μA.
Test Pins. These pins are used for internal testing and are not ground return pins. These pins are to be tied to the
AGND plane as close as possible to the ADP2105/ADP2106/ADP2107.
Feedback Loop Compensation Node. COMP is the output of the internal transconductance error amplifier. Place
a series RC network from COMP to AGND to compensate the converter. See the Loop Compensation section.
Soft Start Input. Place a capacitor from SS to AGND to set the soft start period. A 1 nF capacitor sets a 1 ms soft
start period.
Analog Ground. Connect the ground of the compensation components, the soft start capacitor, and the voltage
divider on the FB pin to the AGND pin as close as possible to the ADP2105/ ADP2106/ADP2107. The AGND is
also to be connected to the exposed pad of ADP2105/ADP2106/ADP2107.
No Connect. This is not internally connected and can be connected to other pins or left unconnected.
Power Source Inputs. The source of the PFET high-side switch. Bypass each PWIN pin to the nearest PGND plane with a
4.7 μF or greater capacitor as close as possible to the ADP2105/ADP2106/ ADP2107. See the Input Capacitor
Selection section.
Switch Outputs. The drain of the P-channel power switch and N-channel synchronous rectifier. These pins are to
be tied together and connected to the output LC filter between LX and the output voltage.
Power Ground. Connect the ground return of all input and output capacitors to the PGND pin using a power
ground plane as close as possible to the ADP2105/ADP2106/ADP2107. The PGND is then to be connected to the
exposed pad of the ADP2105/ADP2106/ADP2107.
Power Input. The power source for the ADP2105/ADP2106/ADP2107 internal circuitry. Connect IN and PWIN1
with a 10 ? resistor as close as possible to the ADP2105/ADP2106/ADP2107. Bypass IN to AGND with a 0.1 μF or
greater capacitor. See the Input Filter section.
Output Voltage Sense or Feedback Input. For fixed output versions, connect to the output voltage. For
adjustable versions, FB is the input to the error amplifier. Drive FB through a resistive voltage divider to set the
output voltage. The FB regulation voltage is 0.8 V.
Exposed Pad. The exposed pad should be soldered to an external ground plane underneath the IC for thermal
dissipation.
Rev. D | Page 7 of 36
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADP2107ACPZ | 制造商:Analog Devices 功能描述:V REG 2A ADJ SMD LFCSP-16 2107 |
| ADP2107ACPZ-1.2-R7 | 功能描述:IC REG BUCK SYNC 1.2V 2A 16LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:升压（升压） 输出类型:两者兼有 输出数:1 输出电压:5V，2 V ~ 16.5 V 输入电压:2 V ~ 16.5 V PWM 型:- 频率 - 开关:45kHz 电流 - 输出:50mA 同步整流器:无 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 包装:管件 供应商设备封装:8-PDIP |
| ADP2107ACPZ-1.5 | 制造商:Analog Devices 功能描述:V REG 2A 1.5V SMD LFCSP-16 2107 |
| ADP2107ACPZ-1.5-R7 | 功能描述:IC REG BUCK SYNC 1.5V 2A 16LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:升压（升压） 输出类型:两者兼有 输出数:1 输出电压:5V，2 V ~ 16.5 V 输入电压:2 V ~ 16.5 V PWM 型:- 频率 - 开关:45kHz 电流 - 输出:50mA 同步整流器:无 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 包装:管件 供应商设备封装:8-PDIP |
| ADP2107ACPZ-1.8 | 制造商:Analog Devices 功能描述:V REG 2A 1.8V SMD LFCSP-16 2107 制造商:Analog Devices 功能描述:V REG, 2A 1.8V, SMD, LFCSP-16, 2107 |
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