參數資料
型號： PT4524
英文描述： 30V Single N-Channel HEXFET Power MOSFET in a SO-8 package; A IRF7805Z with Standard Packaging
中文描述： 15V的20瓦48V的輸入隔離DC / DC轉換器
文件頁數： 2/8頁
文件大小： 192K
代理商： PT4524
For technical support and more information, see inside back cover or visit www.ti.com
PT4520 Series
20-W 48-V Input Isolated
DC/DC Converter
Specifications
(Unless otherwise stated, T
a
=25°C, V
in
=48V, C
out
=0μF, and I
o
=I
o
max)
PT4520 SERIES
Typ
Characteristic
Symbol
Conditions
Min
Max
Units
Output Current
I
o
Over V
in
range
V
o
= 15V
V
o
= 12V
V
o
=5.0V
V
o
≤
3.3V
0.1
(1)
0.1
(1)
0.1
(1)
0.1
(1)
36
—
—
—
—
—
—
—
—
48
±1
±0.5
±0.2
±0.4
1.3
1.6
4
5
75
±1.5
(2)
—
±1
±1
A
Input Voltage Range
Set-Point Voltage Tolerance
Temperature Variation
Line Regulation
Load Regulation
Total Output Voltage Variation
V
in
V
o
tol
Reg
temp
Reg
line
Reg
load
V
o
tot
Over I
o
Range
VDC
%V
o
%V
o
%V
o
%V
o
–40°
≤
T
a
≤
+85°C, I
o
=I
o
min
Over V
in
range
Over I
o
range
Includes set-point, line, load,
–40°
≤
T
a
≤
+85°C
(2)
—
±2
±3
(2)
%V
o
Efficiency
η
V
o
= 15V
V
o
= 12V
V
o
=5.0V
V
o
=3.3V
V
o
=1.8V
V
o
=1.5V
V
o
=1.2V
V
o
≥
5.0V
V
o
≤
3.3V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
600
800
—
86
83
82
78
67
65
59
0.5
15
100
±3
±150
200
±10
650
850
31
—
—
—
—
—
—
—
—
—
—
—
—
—
—
700
900
—
%
V
o
Ripple (pk-pk)
V
r
20MHz bandwidth
%V
o
mV
pp
μs
%V
o
mV
%I
o
max
%
Transient Response
t
tr
0.1A/μs load step, 50% to 100% I
o
max
V
o
over/undershoot
V
tr
V
o
≥
5.0V
V
o
≤
3.3V
Current Limit Threshold
Output Voltage Adjust
Switching Frequency
I
lim
V
o
adj
s
V
in
=36V,
V
o
= –50mV
Over V
in
range
V
o
≥
5.0V
V
o
≤
3.3V
kHz
Under-Voltage Lockout
Remote On/Off (Pin 1)
High-Level Input Voltage
Low-Level Input Voltage
Low-Level Input Current
UVLO
V
Referenced to –V
in
(pin 2)
V
IH
V
IL
I
IL
I
in
standby
C
in
C
out
2.5
–0.2
—
—
—
0
1500
—
10
–40
—
–40
—
—
–10
7
0.5
—
—
1100
—
—
—
—
Open
(3)
0.8
–
10
—
220
(4)
—
—
—
85
(5)
215
(6)
125
V
μA
mA
μF
μF
V
pF
M
°C
°C
°C
Standby Input Current
Internal Input Capacitance
External Output Capacitance
Isolation Voltage
Capacitance
Resistance
Operating Temperature Range
Solder Reflow Temperature
Storage Temperature
Reliability
pins 1 & 2 connected
Input–output/input–case
Input to output
Input to output
Over V
in
range
Surface temperature of module pins or case
—
Per Bellcore TR-332
50% stress, T
a
=40°C, ground benign
Per Mil-Std-883D, method 2002.3,
1mS, half-sine, mounted to a fixture
Mil-Std-883D, method 2007.2,
20-2000Hz , soldered
—
Materials meet UL 94V-0
T
a
T
reflow
T
s
MTBF
4
—
—
10
6
Hrs
Mechanical Shock
—
—
500
—
G’s
Mechanical Vibration
—
Suffix N
—
—
—
20
(7)
20
(7)
23
—
—
—
G’s
Suffixes A & C
Weight
Flammability
Notes:
(1) The DC/DC converter will operate at no load with reduced specifications.
(2) For optimum voltage accuracy the ‘Remote Sense (+)’ and ‘Remote Sense (–)’ pins must be connected to +V
and –V
respectively.
(3) The Remote On/Off (pin 1) has an internal pull-up, and if it is left open circuit the PT4520 will operate when input power is applied. Refer to the
application notes for interface considerations.
(4) External output capacitance is not required for proper operation. Capacitamce may be added to improve the response to load transients. The maximum
total capacitance (including the load circuit) must not exceed 220μF, and the combined ESR of must not be less than 100m
.
(5) See Safe Operating Area curves or contact the factory for the appropriate derating.
(6) During solder reflow of SMD package version do not elevate the module case, pins, or internal component temperatures above a peak of 215°C. For
further guidance refer to the application note, “Reflow Soldering Requirements for Plug-in Power Surface Mount Products,” (SLTA051).
(7) The case pins on the through-hole package types (suffixes N & A) must be soldered. For more information see the applicable package outline drawing.
—
—
grams
SLTS148B - JUNE 2000 - REVISED OCTOBER 2002
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相關代理商/技術參數
參數描述
PT4524A 功能描述:DC/DC轉換器 15V 20W 48V-Input Iso DC/DC Converter RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸:
PT4524C 功能描述:DC/DC轉換器 15V 20W 48V-Input Iso DC/DC Converter RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸:
PT4524N 功能描述:DC/DC轉換器 15V 20W 48V-Input Iso DC/DC Converter RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸:
PT4526 制造商:TI 制造商全稱:Texas Instruments 功能描述:20-W 48-V Input Isolated DC/DC Converter
PT4526A 功能描述:CONV DC-DC 1.5V 5A 48VIN HORZ RoHS:是 類別:電源 - 板載 >> DC DC Converters 系列:PT4520 設計資源:Maxi/Mini/Micro Design Guide, Appl Manual 標準包裝:1 系列:Maxi 類型:隔離 輸出數:1 電壓 - 輸入（最?。?43V 電壓 - 輸入（最大）:110V Voltage - Output 1:15V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:* 電源（瓦） - 制造商系列:400W 電壓 - 隔離:* 特點:* 安裝類型:通孔 封裝/外殼:模塊 尺寸/尺寸:4.60" L x 2.20" W x 0.54" H（116.8mm x 55.9mm x 13.7mm） 包裝:散裝 工作溫度:-55°C ~ 100°C 效率:* 電源（瓦特）- 最大:*
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