參數資料
型號： DPA423P
廠商： POWER INTEGRATIONS INC
元件分類： 穩(wěn)壓器
英文描述： 1.75 A SWITCHING REGULATOR, 425 kHz SWITCHING FREQ-MAX, PDIP8
封裝： PLASTIC, MS-001AB, DIP-8
文件頁數： 5/36頁
文件大?。?/td> 705K
代理商： DPA423P
Rev. S 12/07
13
DPA422-426
www.powerint.com
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
PI-2858-072602
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
47 k
Ω
619 k
Ω
1%
Q
R
LS
ON/OFF
For RLS = 619 kΩ
VUV = 33.3 V
VOV = 86.0 V
QR can be an optocoupler
output or can be replaced
by a MOSFET or manual
switch.
X
ON/OFF
47 k
Ω
PI-2859-050602
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
R
IL
R
LS
Q
R
619 k
Ω
1%
DCMAX@36 V = 75%
DCMAX@72 V = 42%
For RIL = 12 k
Ω
ILIMIT = 64%
QR can be an optocoupler
output or can be replaced
by a manual switch.
Figure 21. Active-on Remote ON/OFF with LINE-SENSE and
EXTERNAL CURRENT LIMIT.
Figure 22. Active-off Remote ON/OFF with LINE-SENSE.
Figure 23. Line-Sensing and Externally Set Current Limit.
PI-3868-050602
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
ON/OFF
47 k
Ω
QR can be an optocoupler
output.
Q
R
For timing requirements,
see Figure 6.
Figure 24. Synchronization.
X
PI-2837-011904
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
R
IL
R
LS
12 k
Ω
619 K
Ω
1%
For RLS = 619 k
Ω
DCMAX@36 V = 75%
DCMAX@72 V = 42%
For RIL = 12 k
Ω
ILIMIT = 64%
See Figure 34 for other
resistor values (RIL)
to select different ILIMIT
values
VUV = 33.3 V
VOV = 86.0 V
相關PDF資料
PDF描述
DPAF-08-03.0-H-8-1-A 96 CONTACT(S), FEMALE, STRAIGHT BOARD STACKING CONNECTOR, SURFACE MOUNT
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相關代理商/技術參數
參數描述
DPA423PN 功能描述:開關變換器、穩(wěn)壓器與控制器 13W 36-75V DCIN RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
DPA423P-TL 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Highly Integrated DC-DC Converter ICs for Distributed Power Architectures
DPA423R 功能描述:開關變換器、穩(wěn)壓器與控制器 18W 36-75V DCIN RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
DPA423R-TL 功能描述:開關變換器、穩(wěn)壓器與控制器 18W 36-75V DCIN RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
DPA423SN 功能描述:開關變換器、穩(wěn)壓器與控制器 18W 36-75V DCIN RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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