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| 型号： | ADP5024ACPZ-1-R7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PQCC24 |
| 封装： | 4 X 4 MM, ROHS COMPLIANT, MO-220, LCC-24 |
| 文件页数： | 10/27页 |
| 文件大小： | 926K |
| 代理商： | ADP5024ACPZ-1-R7 |
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ADP5024
Preliminary Technical Data
Rev. PrA | Page 18 of 27
Undervoltage Lockout
To protect against battery discharge, undervoltage lockout
(UVLO) circuitry is integrated in the system. If the input
voltage on VIN1 drops below a typical 2.15 V UVLO
threshold, all channels shut down. In the buck channels, both
the power switch and the synchronous rectifier turn off.
When the voltage on VIN1 rises above the UVLO threshold,
the part is enabled once more.
Alternatively, the user can select device models with a UVLO
set at a higher level, suitable for USB applications. For these
models, the device reaches the turn-off threshold when the
input supply drops to 3.65 V typical.
In case of a thermal or UVLO event, the active pull-downs (if
factory enabled) are enabled to discharge the output
capacitors quickly. The pull-downs remain engaged until the
input supply voltage or thermal fault event is no longer
present.
Enable/Shutdown
The ADP5024 has an individual control pin for each
regulator. A logic level high applied to the ENx pin activates a
regulator, whereas a logic level low turns off a regulator.
Figure 46 shows the regulator activation timings for the
ADP5024 when all enable pins are connected to AVIN. Also
shown is the active pull-down activation.
AVIN
VOUT3
VOUT1
VUVLO
30us (MIN)
50us (MIN)
VOUT2
VPOR
Buck1,LDO
Pull-Downs
Buck2
Pull-Down
30us (MIN)
50us (MIN)
Figure 46. Regulator Sequencing on ADP5024 (EN1 = EN2 = EN3 = VAVIN)
相关PDF资料 |
PDF描述 |
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| ADPDF5A24AC | SNAP ACTING/LIMIT SWITCH, DPDT, MOMENTARY, 1A, 30VDC, 12mm, PANEL MOUNT |
| ADPDF5P04AW | SNAP ACTING/LIMIT SWITCH, DPST, MOMENTARY, 1A, 30VDC, 2.54mm, PANEL MOUNT |
| ADPFF5W04AC | SNAP ACTING/LIMIT SWITCH, DPDT, MOMENTARY, 1A, 30VDC, 8.71mm, PANEL MOUNT |
| ADPFF5T04AW | SNAP ACTING/LIMIT SWITCH, DPST, MOMENTARY, 1A, 30VDC, 12.67mm, PANEL MOUNT |
| ASKHF3P04AY | SNAP ACTING/LIMIT SWITCH, SPST, MOMENTARY, 2A, 24VDC, 2.54mm, PANEL MOUNT |
相关代理商/技术参数 |
参数描述 |
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| ADP5024ACPZ-2-R7 | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| ADP5024ACPZ-R2 | 功能描述:直流/直流开关调节器 ADJ Outputs UVLO Low RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| ADP5024ACPZ-R7 | 功能描述:直流/直流开关调节器 ADJ Outputs UVLO Low RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| ADP5024CP-EVALZ | 功能描述:BOARD EVAL FOR ADP5024 LFCSP 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 |
| ADP50250001CBZR | 功能描述:IC RF REGULATOR LDO 制造商:analog devices inc. 系列:* 零件状态:上次购买时间 标准包装:1 |
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