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参数资料
| 型号： | ADM1052 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Precision Dual Voltage Regulator Controller |
| 中文描述： | 精密双稳压控制器 |
| 文件页数： | 7/8页 |
| 文件大小： | 164K |
| 代理商： | ADM1052 |
REV. A
ADM1052
–7–
APPLICATIONS INFORMATION
PCB LAYOUT
For optimum voltage regulation, the loads should be placed as
close as possible to the source of the output MOSFETs and
feedback to the sense inputs should be taken from a point as
close to the loads as possible. The PCB tracks from the loads
back to the sense inputs should be separate from the output
tracks and not carry any load current.
Similarly, the ground connection to the ADM1052 should be
made as close as possible to the ground of the loads, and the
ground track from the loads to the ADM1052 should not carry
load current. Correct and incorrect layout practice is illustrated
in Figure 3.
12V SUPPLY
V
TURN-ON
THRESHOLD
POR THRESHOLD
6V
–
9V
GATE DRIVE TO
EXTERNAL MOSFET
MOSFET GATE
THRESHOLD
3.3V SUPPLY
TO EXTERNAL
MOSFET DRAIN
CHANNEL 1
OR CHANNEL 2
OUTPUT VOLTAGE
NORMAL OUTPUT VOLTAGE
FAULT
REMOVED
OUTPUT < 0.8 V
REG
CHANNEL 1
OR CHANNEL 2
OUTPUT CURRENT
HICCUP MODE
HOLD-OFF TIME
2 AMPS
DEVICE
ENTERS
HICCUP MODE
FAULT
CURRENT
1:40 DUTY CYCLE
OFF
ON
Figure 2. Power-On Reset and Hiccup Mode
LOAD 1
LOAD 2
V
IN
3.3V
FORCE 1
FORCE 2
SENSE 1
SENSE 2
GND
V
CC
12V
V
OUT1
V
OUT2
I
1
I
2
LOAD 1
LOAD 2
V
IN
3.3V
FORCE 1
FORCE 2
SENSE 1
SENSE 2
GND
V
CC
12V
V
OUT1
V
OUT2
I
1
+ I
2
VOLTAGE DROP
IN GROUND LEAD
VOLTAGE DROP
BETWEEN OUTPUT
AND LOAD
I
1
I
2
CORRECT
INCORRECT
Figure 3. Correct and Incorrect Layout Practice
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| ADM1052JR | 制造商:Analog Devices 功能描述:DC DC Cntrlr Dual-OUT Prog Sw 3.3V Input 8-Pin SOIC 制造商:Rochester Electronics LLC 功能描述:DUAL BUS TERMINATOR - Bulk |
| ADM1052JR-REEL | 制造商:Analog Devices 功能描述:DC DC Cntrlr Dual-OUT Prog Sw 3.3V Input 8-Pin SOIC T/R 制造商:Rochester Electronics LLC 功能描述:DUAL BUS TERMINATOR - Tape and Reel |
| ADM1052JR-REEL7 | 制造商:Analog Devices 功能描述:DC DC Cntrlr Dual-OUT Prog Sw 3.3V Input 8-Pin SOIC T/R |
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| ADM1060ARU | 功能描述:IC SUPERVIS/SEQUENC 7-CH 28TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:Super Sequencer® 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
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