参数资料
型号: ADP2105ACPZ-R7
厂商: Analog Devices Inc
文件页数: 21/36页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 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: 可调式
输出数: 1
输出电压: 0.8 V ~ 5.5 V
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:
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
配用: ADP2105-1.8-EVALZ-ND - BOARD EVALUATION ADP2105Z 1.8V
ADP2105-EVALZ-ND - BOARD EVAL 2.5V ADJ ADP2105
其它名称: ADP2105ACPZ-R7DKR
Data Sheet
LOAD TRANSIENT RESPONSE
ADP2105/ADP2106/ADP2107
3
T
OUTPUT CURRENT
3
T
OUTPUT CURRENT
2
1
OUTPUT VOLTAGE (AC-COUPLED)
LX NODE (SWITCH NODE)
2
1
OUTPUT VOLTAGE (AC-COUPLED)
LX NODE (SWITCH NODE)
CH1 2.00V
CH3 1.00A ?
CH2 100mV~
M 20.0μs
T 10.00%
A
CH3
700mA
CH1 2.00V
CH3 1.00A ?
CH2 100mV~
M 20.0μs
T 10.00%
A
CH3
700mA
OUTPUT CAPACITOR: 22μF + 22μF + 4.7μF
INDUCTOR: SD14, 2.5μH
COMPENSATION RESISTOR: 270k?
COMPENSATION CAPACITOR: 39pF
Figure 47. 1 A Load Transient Response for ADP2105-1.2
with External Components Chosen for 5% Overshoot
OUTPUT CAPACITOR: 22μF + 4.7μF
INDUCTOR: SD14, 2.5μH
COMPENSATION RESISTOR: 135k?
COMPENSATION CAPACITOR: 82pF
Figure 50. 1 A Load Transient Response for ADP2105-1.2
with External Components Chosen for 10% Overshoot
3
T
OUTPUT CURRENT
3
T
OUTPUT CURRENT
OUTPUT VOLTAGE (AC-COUPLED)
2
OUTPUT VOLTAGE (AC-COUPLED)
2
1
LX NODE (SWITCH NODE)
1
LX NODE (SWITCH NODE)
CH1 2.00V
CH3 1.00A ?
CH2 100mV~
M 20.0μs
T 10.00%
A
CH3
700mA
CH1 2.00V
CH3 1.00A ?
CH2 100mV~
M 20.0μs
T 10.00%
A
CH3
700mA
OUTPUT CAPACITOR: 22μF + 22μF
INDUCTOR: SD3814, 3.3μH
COMPENSATION RESISTOR: 270k?
COMPENSATION CAPACITOR: 39pF
Figure 48. 1 A Load Transient Response for ADP2105-1.8
with External Components Chosen for 5% Overshoot
OUTPUT CAPACITOR: 10μF + 10μF
INDUCTOR: SD3814, 3.3μH
COMPENSATION RESISTOR: 135k?
COMPENSATION CAPACITOR: 82pF
Figure 51. 1 A Load Transient Response for ADP2105-1.8
with External Components Chosen for 10% Overshoot
T
OUTPUT CURRENT
T
OUTPUT CURRENT
3
2
1
OUTPUT VOLTAGE (AC-COUPLED)
LX NODE (SWITCH NODE)
3
2
1
OUTPUT VOLTAGE (AC-COUPLED)
LX NODE (SWITCH NODE)
CH1 2.00V
CH3 1.00A ?
CH2 200mV~
M 20.0μs
T 10.00%
A
CH3
700mA
CH1 2.00V
CH3 1.00A ?
CH2 200mV~
M 20.0μs
T 10.00%
A
CH3
700mA
OUTPUT CAPACITOR: 22μF + 4.7μF
INDUCTOR: CDRH5D18, 4.1μH
COMPENSATION RESISTOR: 270k?
COMPENSATION CAPACITOR: 39pF
Figure 49. 1 A Load Transient Response for ADP2105-3.3
with External Components Chosen for 5% Overshoot
Rev. D | Page 21 of 36
OUTPUT CAPACITOR: 10μF + 4.7μF
INDUCTOR: CDRH5D18, 4.1μH
COMPENSATION RESISTOR: 135k?
COMPENSATION CAPACITOR: 82pF
Figure 52. 1 A Load Transient Response for ADP2105-3.3
with External Components Chosen for 10% Overshoot
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