参数资料
型号: EVAL-ADUM3471EBZ
厂商: Analog Devices Inc
文件页数: 9/36页
文件大小: 0K
描述: EVALUATION MODULE FOR ADUM3471
标准包装: 1
系列: iCoupler®
主要目的: 接口,数字式隔离器
嵌入式:
已用 IC / 零件: ADuM3470,ADuM3471,ADuM3472,ADuM3473,ADuM3474
主要属性: 2 个独立的 ADuM347x 电路
次要属性: 3.3 V ~ 5.5 V 电源
已供物品:
Data Sheet
ADuM3470/ADuM3471/ADuM3472/ADuM3473/ADuM3474
ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/15 V SECONDARY ISOLATED SUPPLY
4.5 V ≤ V DD1 = V DDA ≤ 5.5 V; V REG = V ISO = 15 V; V DD2 = 5.0 V; f SW = 500 kHz; all voltages are relative to their respective grounds (see the
application schematic in Figure 39). All minimum/maximum specifications apply over the entire recommended operating range, unless
otherwise noted. All typical specifications are at T A = 25°C, V DD1 = V DDA = 5.0 V, V REG = V ISO = 15 V, V DD2 = 5.0 V.
Table 4.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DC-TO-DC CONVERTER POWER SUPPLY
Isolated Output Voltage
Feedback Voltage Setpoint
V ISO
V FB
13.5
1.125
15
1.25
16.5
1.375
V
V
I ISO = 0 mA, V ISO = V FB × (R1 + R2)/R2
I ISO = 0 mA
V DD2 Linear Regulator
Regulator Voltage
V DD2
4.6
5.0
5.7
V
V REG = 7 V to 15 V, I DD2 = 0 mA
to 50 mA
Dropout Voltage
Line Regulation
Load Regulation
Output Ripple
V DD2 (DO)
V ISO (LINE)
V ISO (LOAD)
V ISO (RIP)
0.5
1
1
200
1.5
10
3
V
mV/V
%
mV p-p
I DD2 = 50 mA
I ISO = 50 mA, V DD1 = 4.5 V to 5.5 V
I ISO = 20 mA to 100 mA
20 MHz bandwidth,
C OUT = 0.1 μF||47 μF, I ISO = 100 mA
Output Noise
V ISO (N)
500
mV p-p
20 MHz bandwidth,
C OUT = 0.1 μF||47 μF, I ISO = 100 mA
Switching Frequency
f SW
1000
200
kHz
kHz
R OC = 50 k?
R OC = 270 k?
Switch On Resistance
R ON
192
318
0.5
515
kHz
?
V OC = V DD2 (open loop)
Undervoltage Lockout, V DD1 , V DD2 Supplies
Positive Going Threshold
Negative Going Threshold
Hysteresis
DC to 2 Mbps Data Rate 1
V UV+
V UV?
V UVH
2.8
2.6
0.2
V
V
V
f ≤ 1 MHz
Maximum Output Supply Current 2
Efficiency at Maximum Output
I ISO (MAX)
100
70
mA
%
V ISO = 5.0 V
I ISO = I ISO (MAX)
Supply Current 3
i COUPLER DATA CHANNELS
DC to 2 Mbps Data Rate 1
I DD1 Supply Current, No V ISO Load
I DD1 (Q)
I ISO = 0 mA, f ≤ 1 MHz
25
27
29
31
33
45
45
45
45
45
mA
mA
mA
mA
mA
25 Mbps Data Rate (C Grade Only)
I DD1 Supply Current, No V ISO Load
Available V ISO Supply Current 4
I DD1 (D)
I ISO (LOAD)
73
83
93
102
112
91
89
86
83
80
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
I ISO = 0 mA, C L = 15 pF, f = 12.5 MHz
C L = 15 pF, f = 12.5 MHz
I DD1 Supply Current, Full V ISO Load
I DD1 (MAX)
425
mA
C L = 0 pF, f = 0 MHz, V DD1 = 5 V,
I ISO = 100 mA
Rev. A | Page 9 of 36
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