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参数资料
| 型号： | ADUM5000ARWZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | IC DIG ISOLATOR W/DC-DC 16SOIC |
| 设计资源： | USB Cable Isolator Circuit (CN0159) |
| 标准包装： | 1,000 |
| 系列： | IsoPower®, iCoupler® |
| 输入 - 1 侧/2 侧： | 2/0 |
| 通道数： | 2 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 电压 - 隔离： | 2500Vrms |
| 输出类型： | 逻辑 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 105°C |
ADuM5000
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Data Sheet
V DD1 1
GND 1 2
16
15
V ISO
GND ISO
NC 3
RC IN 4
RC OUT 5
RC SEL 6
V DD1 7
GND 1 8
ADuM5000
TOP VIEW
(Not to Scale)
14
13
12
11
10
9
NC
V SEL
NC
NC
V ISO
GND ISO
NC = NO CONNECT
Figure 3. Pin Configuration
Table 12. Pin Function Descriptions
Pin No.
1, 7
2, 8
3, 11, 12, 14
4
5
6
9, 15
10, 16
13
Mnemonic
V DD1
GND 1
NC
RC IN
RC OUT
RC SEL
GND ISO
V ISO
V SEL
Description
Primary Supply Voltage 3.0 V to 5.5 V. Pin 1 and Pin 7 are internally connected to each other, and it is recom-
mended that both pins be externally connected to a common power source.
Ground 1. Ground reference for the primary side of the converter. Pin 2 and Pin 8 are internally connected to
each other, and it is recommended that both pins be connected to a common ground.
No Internal Connection.
Regulation Control Input. In slave power configuration (RC SEL = low), this pin is connected to the RC OUT pin of a
master iso Power device, or tied low to disable the converter. In master/standalone mode (RC SEL = high), this pin
has no function. This pin is weakly pulled to low. In noisy environments, it should be tied to low or to a PWM
control source. Note that this pin must not be tied high if RC SEL is low; this combination causes excessive voltage
on the secondary side of the converter, damaging the ADuM5000 and possibly the devices that it powers.
Regulation Control Output. In master power configuration, this pin is connected to the RC IN pin of a slave
iso Power device to allow the ADuM5000 to regulate additional devices.
Control Input. Sets either self-regulation/master mode (RC SEL high) or slave mode (RC SEL low). This pin is weakly
pulled to the high state. In noisy environments, tie this pin either high or low.
Ground Reference for the Secondary Side of the Converter. Pin 9 and Pin 15 are internally connected to each
other, and it is recommended that both pins be connected to a common ground.
Secondary Supply Voltage Output for External Loads, 3.3 V (V SEL low) or 5.0 V (V SEL high). 5.0 V output functionality
is not guaranteed for a 3.3 V primary supply input. Pin 10 and Pin 16 are internally connected to each other and
connecting both externally is recommended.
Output Voltage Selection. When V SEL = V ISO , the V ISO setpoint is 5.0 V. When V SEL = GND ISO , the V ISO setpoint is 3.3 V.
This pin is weakly pulled to high. In noisy environments, tie this pin either high or low. In slave regulation
mode, this pin has no function.
Table 13. Truth Table (Positive Logic) 1
RC SEL
Input
H
H
H
H
L
L
L
RC IN
Input
X
X
X
X
RC OUT(EXT)
L
H
RC OUT
Output
PWM 2
PWM 2
PWM 2
PWM 2
RC IN
L
H
V SEL
Input
H
L
H
L
X
X
X
V DD1
Input
5.0 V
5.0 V
3.3 V
3.3 V
X 3
X
X
V ISO
Output
5.0 V
3.3 V
5.0 V
3.3 V
X
0V
X
Operation
Master mode operation, self regulating.
Master mode operation, self regulating.
This configuration is not recommended due to poor efficiency.
Master mode operation, self regulating.
Slave mode, RC OUT(EXT) supplied by a master iso Power device.
Low power mode, converter disabled.
Note that this combination of RC IN and RC SEL is prohibited. Damage occurs
on the secondary side of the converter due to excess output voltage at
V ISO . RC IN must be low, or it must be connected to a PWM signal from a
master iso Power part.
1
2
3
X = don’t care.
PWM refers to the regulation control signal. This signal is derived from the secondary side regulator or from the RC IN input, depending on the value of RC SEL .
V DD1 must be common between all iso Power devices being regulated by a master iso Power part.
Rev. B | Page 8 of 16
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