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参数资料
| 型号： | ADP2105ACPZ-1.8-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 20/36页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1.8V 1A 16LFCSP |
| 产品培训模块： | Powering 90nm/65nm FPGAs and Processors |
| 设计资源： | Powering the AD9788 Using ADP2105 for Increased Efficiency (CN0141) |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1.8V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VQFN 裸露焊盘，CSP |
| 包装： | 标准包装 |
| 供应商设备封装： | 16-LFCSP-VQ |
| 其它名称： | ADP2105ACPZ-1.8-R7DKR |
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ADP2105/ADP2106/ADP2107
Data Sheet
BODE PLOTS
60
ADP2106
60
50
ADP2105
50
40
LOOP GAIN
0
40
LOOP GAIN
0
30
45
30
20
PHASE
MARGIN = 48°
45
90
20
PHASE
MARGIN = 49°
90
10
LOOP PHASE
135
10
LOOP PHASE
135
0
180
OUTPUT VOLTAGE = 1.8V
–10 INPUT VOLTAGE = 5.5V
OUTPUT VOLTAGE = 1.2V
INPUT VOLTAGE = 5.5V
0
CROSSOVER
FREQUENCY = 87kHz
LOAD CURRENT = 1A
–20 INDUCTOR = 2.2μH (LPS4012)
OUTPUT CAPACITOR = 22μF + 22μF
–30 COMPENSATION RESISTOR = 180k?
COMPENSATION CAPACITOR = 56pF
–40
180
CROSSOVER
–10 FREQUENCY = 79kHz
LOAD CURRENT = 1A
–20 INDUCTOR = 3.3μH (SD3814)
OUTPUT CAPACITOR = 22μF + 22μF + 4.7μF
–30 COMPENSATION RESISTOR = 267k?
COMPENSATION CAPACITOR = 39pF
–40
1 10 100
300
1
10
100
300
FREQUENCY (kHz)
FREQUENCY (kHz)
NOTES
NOTES
1. EXTERNAL COMPONENTS WERE CHOSEN FOR A
5% OVERSHOOT FOR A 1A LOAD TRANSIENT.
Figure 41. ADP2106 Bode Plot at V IN = 5.5 V, V OUT = 1.8 V and Load = 1 A
1. EXTERNAL COMPONENTS WERE CHOSEN FOR A
5% OVERSHOOT FOR A 1A LOAD TRANSIENT.
Figure 44. ADP2105 Bode Plot at V IN = 5.5 V, V OUT = 1.2 V and Load = 1 A
60
ADP2106
60
50
ADP2107
50
40
0
40
LOOP GAIN
0
30
LOOP GAIN
45
30
20
PHASE
MARGIN = 52°
45
90
20
10
LOOP PHASE
PHASE
MARGIN = 65°
90
135
10
LOOP PHASE
135
0
180
–10 INPUT VOLTAGE = 3.6V
OUTPUT VOLTAGE = 2.5V
–10 INPUT VOLTAGE = 5V
0
OUTPUT VOLTAGE = 1.8V CROSSOVER
FREQUENCY = 83kHz
LOAD CURRENT = 1A
–20 INDUCTOR = 2.2μH (LPS4012)
OUTPUT CAPACITOR = 22μF + 22μF
–30 COMPENSATION RESISTOR = 180k?
COMPENSATION CAPACITOR = 56pF
–40
1 10 100
180
300
CROSSOVER
FREQUENCY = 76kHz
LOAD CURRENT = 1A
–20 INDUCTOR = 2μH (D62LCB)
OUTPUT CAPACITOR = 10μF + 4.7μF
–30 COMPENSATION RESISTOR = 70k?
COMPENSATION CAPACITOR = 120pF
–40
1 10 100
FREQUENCY (kHz)
300
FREQUENCY (kHz)
NOTES
1. EXTERNAL COMPONENTS WERE CHOSEN FOR A
5% OVERSHOOT FOR A 1A LOAD TRANSIENT.
Figure 42. ADP2106 Bode Plot at V IN = 3.6 V, V OUT = 1.8 V, and Load = 1 A
NOTES
1. EXTERNAL COMPONENTS WERE CHOSEN FOR A
10% OVERSHOOT FOR A 1A LOAD TRANSIENT.
Figure 45. ADP2107 Bode Plot at V IN = 5 V, V OUT = 2.5 V and Load = 1 A
60
50
ADP2105
60
50
ADP2107
LOOP GAIN
40
30
0
45
40
30
LOOP GAIN
PHASE
0
45
20
10
LOOP PHASE
PHASE
MARGIN = 51°
90
135
20
10
LOOP PHASE
MARGIN = 70°
90
135
OUTPUT VOLTAGE = 1.2V
0
CROSSOVER
–10 FREQUENCY = 71kHz
INPUT VOLTAGE = 3.6V
LOAD CURRENT = 1A
–20 INDUCTOR = 3.3μH (SD3814)
OUTPUT CAPACITOR = 22μF + 22μF + 4.7μF
–30 COMPENSATION RESISTOR = 267k?
COMPENSATION CAPACITOR = 39pF
–40
1 10 100
FREQUENCY (kHz)
180
300
0
OUTPUT VOLTAGE = 3.3V CROSSOVER
–10 INPUT VOLTAGE = 5V FREQUENCY = 67kHz
LOAD CURRENT = 1A
–20 INDUCTOR = 2.5μH (CDRH5D28)
OUTPUT CAPACITOR = 10μF + 4.7μF
–30 COMPENSATION RESISTOR = 70k?
COMPENSATION CAPACITOR = 120pF
–40
1 10 100
FREQUENCY (kHz)
180
300
NOTES
1. EXTERNAL COMPONENTS WERE CHOSEN FOR A
5% OVERSHOOT FOR A 1A LOAD TRANSIENT.
Figure 43. ADP2105 Bode Plot at V IN = 3.6 V, V OUT = 1.2 V, and Load = 1 A
NOTES
1. EXTERNAL COMPONENTS WERE CHOSEN FOR A
10% OVERSHOOT FOR A 1A LOAD TRANSIENT.
Figure 46. ADP2107 Bode Plot at V IN = 5 V, V OUT = 3.3 V, and Load = 1 A
Rev. D | Page 20 of 36
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADP2105ACPZ-3.3 | 制造商:Analog Devices 功能描述:V REG 1A 3.3V SMD LFCSP-16 2105 |
| ADP2105ACPZ-3.3R7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADP2105ACPZ-3.3-R7 | 功能描述:IC REG BUCK SYNC 3.3V 1A 16LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:500 系列:- 类型:切换式电容器（充电泵），反相 输出类型:固定 输出数:1 输出电压:-3V 输入电压:2.3 V ~ 5.5 V PWM 型:Burst Mode? 频率 - 开关:900kHz 电流 - 输出:100mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 细型，TSOT-23-6 包装:带卷 (TR) 供应商设备封装:TSOT-23-6 其它名称:LTC1983ES6-3#TRMTR |
| ADP2105ACPZ-R7 | 功能描述:IC REG BUCK SYNC ADJ 1A 16LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:500 系列:- 类型:切换式电容器（充电泵），反相 输出类型:固定 输出数:1 输出电压:-3V 输入电压:2.3 V ~ 5.5 V PWM 型:Burst Mode? 频率 - 开关:900kHz 电流 - 输出:100mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 细型，TSOT-23-6 包装:带卷 (TR) 供应商设备封装:TSOT-23-6 其它名称:LTC1983ES6-3#TRMTR |
| ADP2105-BL1-EVZ | 功能描述:EVAL BLANK ADISIMPOWER ADP2105 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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