LCD20-48S3P3 [MAKE-PS]
Single & Dual Output DC/DC Converter; 单，双输出DC / DC转换器
| 型号： | LCD20-48S3P3 |
| 厂家： | 
MAKE-PS |
| 描述： | Single & Dual Output DC/DC Converter |
| 文件： | 总3页 (文件大小：1170K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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Single & Dual Output
DC/DC Converter
Series LCD20
FEATURES:
20Watt | DC-DC Converter
●
● 2:1 WIDE INPUT RANGE
●
● HIGH EFFICIENCY
●
● CUSTOM SOLUTIONS AVAILABLE
●
● Remote Control:On/Off
APPLICATIONS:
Wireless Network
Telecom/Datacom
Industry Control System
Measurement Equipment
Semiconductor Equipment
●
●
●
●
●
MODEL SELECTION CHART
Output
Input
Output
Voltage
Input
Voltage
Capacitor
Efficiency
%TYP
Current
Current
Load
Part Number
No-Load
Full Load
(mA TYP)
Full Load
(mA)
uF MAX
(mA TYP)
Vdc
3.3
5
12
15
±12
±15
3.3
5
12
Vdc
9-18
9-18
9-18
9-18
8200
5600
960
680
470
LCD20-12S3P3
LCD20-12S05
LCD20-12S12
LCD20-12S15
LCD20-12D12
LCD20-12D15
LCD20-24S3P3
LCD20-24S05
LCD20-24S12
LCD20-24S15
LCD20-24D12
LCD20-24D15
LCD20-48S3P3
LCD20-48S05
LCD20-48S12
LCD20-48S15
LCD20-48D12
LCD20-48D15
1456
85
86
87
87
87
87
86
87
88
88
88
88
87
88
88
88
88
30
30
30
30
30
30
25
25
25
25
25
25
20
20
20
20
20
20
4500
4000
1670
1330
±833
±667
4500
4000
1670
1330
±833
±667
4500
4000
1670
1330
±833
±667
1938
1920
1911
1915
1917
719
958
949
945
947
947
356
473
474
472
473
474
9-18
9-18
330
8200
5600
960
680
470
18-36
18-36
18-36
18-36
18-36
18-36
36-75
36-75
36-75
36-75
36-75
36-75
15
±12
±15
3.3
5
12
15
±12
±15
330
8200
5600
960
680
470
88
330
NOTE: All specifications in this datasheet are measured at an ambient temperature of 25°C, humidity<75%, nominal input voltage and at
rated output load unless otherwise specified.
Control Pin Suggest Circuit
Output Voltage Adjustment
1/3
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Input Specifications
Parameters
Voltage Types
Conditions
Min
Typ
Max
2:1
9
18
36
25
50
100
Units
12 Vin
24 Vin
48 Vin
12 Vin
24 Vin
48 Vin
8.7/8.3
16.9/16.2
33.0/30.5
VDC
Start-up voltage /
under voltage shut down
VDC
V
Surge voltage
(100 msec. max.)
V
Reflected input ripple current
Filter
30
mA
LC Network
Protection
Fuse Recommended
Output Specifications
Parameters
Conditions
Min
Typ
Max
±2
±10
0.5
Units
%
%
%
%
Voltage Tolerance
Output voltage adj. range
Line Regulation
(Vmin – Vmax)
only for single output models
single output
dual output
0.5
single output
0.5
%
Load Regulation
(25 – 100 %)
Load variation(25% /100%)
dual output models balanced load
dual output models unbalanced load
required
1.0
5.0
10
%
%
%
Minimum load
0
Ripple and noise(20 MHz bandwidth)
Temperature coefficient
Output current limitation
Short circuit protection
with external capacitor (See Note 1)
100
mVp-p
%/℃
±0.05
at 150 % of Iout max., constant current
Hiccup (automatic recovery)
3.3VDC
5VDC
12VDC
3.7
5.6
13.5
16.8
5.4
7.0
19.6
20.5
Vout
Vout
Vout
Vout
ms
Over voltage protection
15VDC
nominal Vin and constant resistive load
Start up time
30
Transient response setting time
25% load step change
300
us
General Specifications
Conditions
Operating(with derating)
Case temperature
Storage
Min
-40
Typ
Max
+75
105
+125
95
Units
℃
℃
℃
%
Hours
VDC
pF
Parameters
Temperature ranges
-55
5
340000
non condensing
Humidity
Reliability, calculated MTBF
Isolation voltage
Isolation capacity
MIL-HDBK-217F, @ +25°C, ground benign
For 60 seconds(Input/Output)
1500
Input/Output
1000
Input/Output (500 VDC)
Isolation resistance
1000
MΩ
On
Off
3.0 ~ 15 VDC or open circuit
0 ~ 1.2 VDC or short circuit pin 6 and pin 2
2.5
Remote On/Off
Off idle current:
mA
KHz
Switching frequency (fixed)
Vibration and thermal shock
Safety standards
Case material
Base material
Potting material
330
MIL-STD-810E
EN 60950-1, IEC 60950-1
nickel coated copper
Non-conductive FR4
epoxy (UL 94V-0 rated)
15 g (0.53 oz)
Weight
Soldering temperature
EMI (Conducted&Radiation)
max. 265℃ / 10sec
EN55022 Class A
Note : 1 Ripple & Noise measurement bandwidth is 20 MHz, measured with a 1uF M/C and a 10uF T/C.
2/3
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Temperature Derating Graph
100
75
50
25
0
Nature Convection
-40
65
85 100
Ambient Temperature(
℃)
EMC Considerations
Suggested Schematic to comply with EN55022 Conducted Noise emission Class B
Following components are needed to comply with EN55022 Class B conducted noise:
LCD20-12S(D)XXXX
LCD20-24S(D)XXXX
LCD20-48S(D)XXXX
Componet
C1,C2,C3
C5,C6
Value
Voltage
50V
Reference
1812 MLCC
Componet
C1,C2,C3,C4
C5,C6
Value
2.2uF
Voltage
100V
Reference
1812 MLCC
6.8uF
1000pF
325uH
2KV
1206 MLCC
Common Mode Choke
1000pF
260uH
2KV
1206 MLCC
Common Mode Choke
L1
L1
OUTLINE DRAWING
Package Style and Pinning (mm)
1. All dimensions in Inches (mm)
Tolerance: X.XX±0.02 (X.X±0.5)
X.XXX±0.01 (X.XX±0.25)
2. Pin pitch tolerance ±0.01(0.25)
3. Pin dimension tolerance ±0.004 (0.1)
PIN CONNECTION
PIN
SINGLE
DUAL
1
2
3
4
5
6
+ INPUT
- INPUT
ON/OFF
+VOUT
TRIM
+ INPUT
- INPUT
ON/OFF
+VOUT
COMMON
-VOUT
-VOUT
All specifications are typical at nominal input, nominal load and 25° C unless otherwise specified.
External, low ESR, 10 microfarad (minimum) capacitor across output is recommended for operation.
3/3
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