参数资料
型号: ADP2105-BL1-EVZ
厂商: Analog Devices Inc
文件页数: 20/36页
文件大小: 0K
描述: EVAL BLANK ADISIMPOWER ADP2105
产品培训模块: Active Filter Design Tools
设计资源: Powering the AD9788 Using ADP2105 for Increased Efficiency (CN0141)
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
稳压器拓扑结构: 降压
板类型: 裸(未填充)
已供物品: 裸板
已用 IC / 零件: ADP2105
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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ADP2106-1.8-EVALZ 功能描述:BOARD EVAL FOR ADP2106-1.8 RoHS:是 类别:编程器,开发系统 >> 评估板 - DC/DC 与 AC/DC(离线)SMPS 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:True Shutdown™ 主要目的:DC/DC,步升 输出及类型:1,非隔离 功率 - 输出:- 输出电压:- 电流 - 输出:1A 输入电压:2.5 V ~ 5.5 V 稳压器拓扑结构:升压 频率 - 开关:3MHz 板类型:完全填充 已供物品:板 已用 IC / 零件:MAX8969