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PDF PYB20 Data sheet ( Hoja de datos )
| Número de pieza | PYB20 | |
| Descripción | DC-DC CONVERTER | |
| Fabricantes | CUI | |
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SERIES: PYB20 │ DESCRIPTION: DC-DC CONVERTER
FEATURES
• up to 20 W isolated output
• industry standard pinout
• 4:1 input range (9~36 V, 18~75 V)
• smaller package
• single/dual regulated outputs
• 1,500 Vdc isolation
• continuous short circuit, over current protection, over voltage protection
• temperature range (-40~85°C)
• six-sided metal shielding
• efficiency up to 90%
date 08/15/2013
page 1 of 7
MODEL
typ
(Vdc)
input
voltage
range
(Vdc)
output
voltage
(Vdc)
PYB20-Q24-S3
24 9~36
3.3
PYB20-Q24-S5
24 9~36
5
PYB20-Q24-S12
24 9~36
12
PYB20-Q24-S15
24 9~36
15
PYB20-Q24-S24
24 9~36
24
PYB20-Q24-D5
24 9~36
±5
PYB20-Q24-D12
24 9~36
±12
PYB20-Q24-D15
24 9~36
±15
PYB20-Q48-S3
48 18~75
3.3
PYB20-Q48-S5
48 18~75
5
PYB20-Q48-S12
48 18~75
12
PYB20-Q48-S15
48 18~75
15
PYB20-Q48-S24
48 18~75
24
PYB20-Q48-D5
48 18~75
±5
PYB20-Q48-D12
48 18~75
±12
PYB20-Q48-D15
48 18~75
±15
Notes:
1. Ripple and noise are measured at 20 MHz BW by “parallel cable” method
PART NUMBER KEY
output
current
min
(mA)
max
(mA)
250 5000
200 4000
84 1667
67 1333
42 834
±100
±2000
±42
±834
±33
±667
250 5000
200 4000
84 1667
67 1333
42 834
±100
±2000
±42
±834
±33
±667
output
power
max
(W)
16.5
20
20
20
20
20
20
20
16.5
20
20
20
20
20
20
20
ripple
and noise1
max
(mVp-p)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
efficiency
typ
(%)
86
90
89
90
90
86
88
88
86
90
89
90
90
86
88
89
PYB20 - QXX - XXX - X
Base Number
Input Voltage
Output
S = single
D = dual
Heatsink
Output Voltage "blank" = no heatsink
H = with heatsink
cui.com
Free Datasheet http://www.datasheet4u.com/
1 page  
CUI Inc │ SERIES: PYB20 │ DESCRIPTION: DC-DC CONVERTER
date 08/15/2013 │ page 5 of 7
DERATING CURVES
Single Output Voltage ≤ 5 V
With heatsink
100
80 Without heatsink
60
Safe operating area
40
20
-40 -20
0
20 40 60 70 8085
Ambient Temperature (°C)
Single Output Voltage > 5 V
With heatsink
100
80 Without heatsink
60
Safe operating area
40
20
-40 -20
0
20 40 60 75 85
Ambient Temperature (°C)
Dual Output Voltage ≤ 5 V
With heatsink
100
80
Without heatsink
60
Safe operating area
40
20
Dual Output Voltage > 5 V
With heatsink
100
80
Without heatsink
60
Safe operating area
40
20
-40 -20
0
20 40
65 75 85
Ambient Temperature (°C)
-40 -20
0
20 40 60 70 8085
Ambient Temperature (°C)
EMC RECOMMENDED CIRCUIT
Figure 1
V in
GND
FUSE
MOV
CY2
LDM1
TVS
+
C0
LDM2
C1
(a) (b) CY1
Vin +Vo
EUT LOAD
GND
- Vo
(0V)
TEST CONFIGURATION
Oscilloscope
Lin
Figure 2
DC DCCurrent
Cin Probe
Load
Table 1
Recommended external circuit components
Vin (Vdc)
24
48
FUSE Choose according to input current
MOV
S14K35
S14K60
LDM1
56μH
56μH
TVS
SMCJ48A
SMCJ90A
C0
330μF/50V
330μF/100V
C1 1μF/50V 1μF/100V
LDM2
4.7μH
4.7μH
CY1 1nF/2KV
1nF/2KV
CY2 1nF/2KV
1nF/2KV
Table 2
External components
Lin 4.7μH
Cin
220μF, ESR < 1.0Ω
at 100 KHz
Note:
Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate source impedance.
cui.com
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet PYB20.PDF ] | |
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