參數(shù)資料
型號: AD260
廠商: Analog Devices, Inc.
英文描述: High Speed, Logic Isolator with Power Transformer(數(shù)字隔離放大器)
中文描述: 高速,邏輯與電力變壓器(數(shù)字隔離放大器隔離)
文件頁數(shù): 7/8頁
文件大?。?/td> 180K
代理商: AD260
AD260
–7–
REV. 0
The power transformer is designed to operate between 150kHz
and 250 kHz and will easily deliver more than 1 W of isolated
power when driven push-pull (5 V) on the system side. Different
transformer tap, rectifier and regulator schemes will provide
combinations of
±
5 V, 15V, 24V or even 30 V or higher.
The output voltage when driven with a low voltage-drop drive
(@ 5 V push-pull) will be 37 V p-p across the entire secondary.
This will drop to 33 V p-p at 4.5 V drive.
3.3
F
TANT.
+
52T
CT
LM2524
12
11
14
13
COMP V
IN
V
REF
4.7k
V
9
15
16
3.3k
V
0.1
m
F
10
1
2
4
5
6
7
470pF
GND
INV
NI
C
L
+
C
L
C
T
R
T
LOGIC/SHUTDOWN (H
I
)
+5Vdc
8
3.3
F
TANT.
+
52T
CT
MAX
253
1
8
4
3
G
2
F
S
SHUTDOWN (
ON
/OFF)
+5Vdc
7
G
1
2
6
D
1
D
2
S
D
Figure 3. System Side Transformer Driver Examples
Application Examples
The following is an example of a typical transformer system-side
drive circuit and a field-side regulation circuit suitable for use in
most general applications.
+5V
REG
96T
CT.
–5V ISO
+5V ISO
I
V
DD
FLD
ENABLE FLD
(PWR-UP ENABLE)
–5V
REG
Figure 4.
a
a
+5Vdc/+4.5Vdc
150mA
+
LOAD
COM
80mA
b
COM
20mA
b
+
20mA
+5Vdc/+4.5Vdc
150mA
a
+5Vdc/+4.5Vdc
150mA
COM
40mA
a
+
40mA
a
a
7.72
7.62
15.79
23.5
7.72
a
+5Vdc/+4.5Vdc
150mA
COM
20mA
b
+
20mA
b
+
V
OUT
@
5V DRIVE
V(MIN) @
4.5V DRIVE
+8.55
6
17.63
6
8.64
+26.3
+8.64
"a" DIODES IN5818/MBR0530
"b" DIODES IN5819/MBR0540
Figure 5. Field Side Power Supply Rectifier Examples
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD260-85 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Attenuator
AD260AND-0 功能描述:IC LOGIC ISO/1.75KV 0:5IO 22DIP RoHS:否 類別:隔離器 >> 數(shù)字隔離器 系列:IsoLogic™ 產(chǎn)品培訓(xùn)模塊:IsoLoop® Isolator 標(biāo)準(zhǔn)包裝:50 系列:IsoLoop® 輸入 - 1 側(cè)/2 側(cè):5/0 通道數(shù):5 電源電壓:3 V ~ 5.5 V 電壓 - 隔離:2500Vrms 數(shù)據(jù)速率:110Mbps 傳輸延遲:12ns 輸出類型:CMOS 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:管件 工作溫度:-40°C ~ 85°C 其它名稱:390-1053-5
AD260AND-1 功能描述:IC LOGIC ISO/1.75KV 1:4IO 22DIP RoHS:否 類別:隔離器 >> 數(shù)字隔離器 系列:IsoLogic™ 產(chǎn)品培訓(xùn)模塊:IsoLoop® Isolator 標(biāo)準(zhǔn)包裝:50 系列:IsoLoop® 輸入 - 1 側(cè)/2 側(cè):5/0 通道數(shù):5 電源電壓:3 V ~ 5.5 V 電壓 - 隔離:2500Vrms 數(shù)據(jù)速率:110Mbps 傳輸延遲:12ns 輸出類型:CMOS 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:管件 工作溫度:-40°C ~ 85°C 其它名稱:390-1053-5
AD260AND-2 功能描述:IC LOGIC ISO/1.75KV 2:3IO 22DIP RoHS:否 類別:隔離器 >> 數(shù)字隔離器 系列:IsoLogic™ 產(chǎn)品培訓(xùn)模塊:IsoLoop® Isolator 標(biāo)準(zhǔn)包裝:50 系列:IsoLoop® 輸入 - 1 側(cè)/2 側(cè):5/0 通道數(shù):5 電源電壓:3 V ~ 5.5 V 電壓 - 隔離:2500Vrms 數(shù)據(jù)速率:110Mbps 傳輸延遲:12ns 輸出類型:CMOS 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:管件 工作溫度:-40°C ~ 85°C 其它名稱:390-1053-5
AD260AND-3 功能描述:IC LOGIC ISO/1.75KV 3:2IO 22DIP RoHS:否 類別:隔離器 >> 數(shù)字隔離器 系列:IsoLogic™ 產(chǎn)品培訓(xùn)模塊:IsoLoop® Isolator 標(biāo)準(zhǔn)包裝:50 系列:IsoLoop® 輸入 - 1 側(cè)/2 側(cè):5/0 通道數(shù):5 電源電壓:3 V ~ 5.5 V 電壓 - 隔離:2500Vrms 數(shù)據(jù)速率:110Mbps 傳輸延遲:12ns 輸出類型:CMOS 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:管件 工作溫度:-40°C ~ 85°C 其它名稱:390-1053-5