PYB20-Q24-S12-H-DIN [CUI]
DC/DC CONVERTER 12V 20W DIN;
| 型号： | PYB20-Q24-S12-H-DIN |
| 厂家： | 
CUI INC |
| 描述： | DC/DC CONVERTER 12V 20W DIN |
| 文件： | 总7页 (文件大小：770K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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3D Model
date 01/18/2021
page 1 of 7
SERIES: PYB20-DIN │ DESCRIPTION: DC-DC CONVERTER
FEATURES
• up to 20 W isolated output
• industry standard pinout
• 4:1 input range (9~36 Vdc, 18~75 Vdc)
• smaller package
• single/dual regulated outputs
• 1,500 Vdc isolation
• continuous short circuit, over current protection, over voltage protection
• reverse polarity protection
• temperature range (-40~85°C)
• six-sided metal shielding
• efficiency up to 88%
• EN 62368-1
input
voltage
output
voltage
output
current
output
power
max
ripple
efficiency
MODEL
and noise1
typ
range
min
max
max
typ
(Vdc)
(Vdc)
(Vdc)
3.3
5
(mA)
(mA)
5000
4000
1667
1333
834
(W)
(mVp-p)
(%)
PYB20-Q24-S3-DIN
PYB20-Q24-S5-DIN
PYB20-Q24-S12-DIN
PYB20-Q24-S15-DIN
PYB20-Q24-S24-DIN
PYB20-Q24-D5-DIN
PYB20-Q24-D12-DIN
PYB20-Q24-D15-DIN
PYB20-Q48-S3-DIN
PYB20-Q48-S5-DIN
PYB20-Q48-S12-DIN
PYB20-Q48-S15-DIN
PYB20-Q48-S24-DIN
PYB20-Q48-D5-DIN
PYB20-Q48-D12-DIN
PYB20-Q48-D15-DIN
24
24
24
24
24
24
24
24
48
48
48
48
48
48
48
48
9~36
250
200
84
16.5
20
20
20
20
20
20
20
16.5
20
20
20
20
20
20
20
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
88
87
88
88
84
86
86
84
88
87
88
88
84
86
87
9~36
9~36
12
9~36
15
67
9~36
24
42
9~36
±5
±12
±15
3.3
5
±100
±42
±33
250
200
84
±2000
±834
±667
5000
4000
1667
1333
834
9~36
9~36
18~75
18~75
18~75
18~75
18~75
18~75
18~75
18~75
12
15
67
24
42
±5
±12
±15
±100
±42
±33
±2000
±834
±667
Notes:
1. Ripple and noise are measured at 20 MHz BW by “parallel cable” method with 1 µF ceramic and 10 µF electrolytic capacitors on the output.
PART NUMBER KEY
PYB20 - QXX - XXX - X - DIN
Mounting Type
DIN = DIN-rail mount
Base Number
Input Voltage
Heatsink*
"blank" = no heatsink
H = with heatsink
Output
S = single
D = dual
Output Voltage
Notes:
*Discontinued heatsink versions.
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CUI Inc │ SERIES: PYB20-DIN │ DESCRIPTION: DC-DC CONVERTER
date 01/18/2021 │ page 2 of 7
INPUT
parameter
conditions/description
min
typ
max
units
24 Vdc input models
48 Vdc input models
9
18
24
48
36
75
Vdc
Vdc
operating input voltage
start-up voltage
24 Vdc input models
48 Vdc input models
9
17.8
Vdc
Vdc
24 Vdc input models
48 Vdc input models
7.5
16
Vdc
Vdc
under voltage shutdown1
for maximum of 1 second
24 Vdc input models
48 Vdc input models
surge voltage
-0.7
-0.7
50
100
Vdc
Vdc
start-up time
nominal input, constant load
10
1
ms
filter
pi filter
models ON (CTRL open or connect TTL high level, 2.5~12 Vdc)
models OFF (CTRL connect GND or low level, 0~1.2 Vdc)
input current (models OFF)
CTRL2
mA
Notes:
1. Contact CUI if you are planning to use this feature in your application.
2. CTRL pin voltage is referenced to GND.
OUTPUT
parameter
conditions/description
full load, input voltage from low to high
5% to 100% load
min
typ
max
±0.5
±1
units
%
line regulation
load regulation
±0.2
±0.5
%
dual output models:
main output 50% load, secondary output from
10% to 100% load
cross regulation
±5
%
voltage accuracy
voltage balance3
adjustability4
±1
±0.5
±10
300
300
±3
±3
±1
%
%
dual output, balanced loads
%
switching frequency
transient recovery time
transient response deviation
temperature coefficient
PWM mode
kHz
μs
25% load step change
25% load step change
100% load
500
±5
%
±0.02
%/°C
Note:
3. For dual output models, unbalanced loads should not exceed ±5%. If ±5% is exceeded, it may not meet all specifications.
4. Output trimming available on single output models only.
PROTECTIONS
parameter
conditions/description
min
typ
max
units
short circuit protection
over current protection
hiccup, continuous, automatic recovery
160
%
3.3 Vdc output models
5 Vdc output models
12 Vdc output models
15 Vdc output models
24 Vdc output models
3.9
6.2
15
18
30
Vdc
Vdc
Vdc
Vdc
Vdc
over voltage protection
SAFETY AND COMPLIANCE
parameter
conditions/description
min
typ
max
units
Vdc
isolation voltage
isolation resistance
input to output for 1 minute at 1 mA max.
input to output at 500 Vdc
1,500
1,000
MΩ
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CUI Inc │ SERIES: PYB20-DIN │ DESCRIPTION: DC-DC CONVERTER
date 01/18/2021 │ page 3 of 7
SAFETY AND COMPLIANCE (CONTINUED)
parameter
conditions/description
min
typ
max
units
safety approvals
conducted emissions
radiated emissions
ESD
certified to 62368-1: EN
CISPR22/EN55022, class A, class B (external circuit required, see Figure 1-b)
CISPR22/EN55022, class A, class B (external circuit required, see Figure 1-b)
IEC/EN61000-4-2, class B, contact ± 4kV
radiated immunity
EFT/burst
IEC/EN61000-4-3, class A, 10V/m
IEC/EN61000-4-4, class B, ± 2kV (external circuit required, see Figure 1-a)
IEC/EN61000-4-5, class B, ± 2kV (external circuit required, see Figure 1-a)
IEC/EN61000-4-6, class A, 3 Vr.m.s
surge
conducted immunity
voltage dips & interruptions
MTBF
IEC/EN61000-4-29, class B, 0%-70%
as per MIL-HDBK-217F @ 25°C
2011/65/EU
1,000,000
hours
RoHS
ENVIRONMENTAL
parameter
conditions/description
min
-40
-55
5
typ
max
85
units
°C
operating temperature
storage temperature
storage humidity
case temperature
vibration
see derating curves
125
95
°C
non-condensing
%
at full load, Ta=71°C
105
°C
10~55 Hz for 30 min. along X, Y and Z axis
10
G
MECHANICAL
parameter
conditions/description
min
typ
max
units
DIN-rail mount: 76 x 31.5 x 25.8
DIN-rail mount with heatsink: 76 x 31.5 x 29.7
mm
mm
dimensions
case material
weight
aluminum alloy
DIN-rail mount
DIN-rail mount with heatsink
70
78
g
g
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CUI Inc │ SERIES: PYB20-DIN │ DESCRIPTION: DC-DC CONVERTER
date 01/18/2021 │ page 4 of 7
MECHANICAL DRAWING
DIN-RAIL MOUNT
units: mm[inch]
tolerance: ±0.50[±0.02]
wire range: 24~12 AWG
mounts to TS35 rails
PIN CONNECTIONS
Single
Output
Dual
Output
PIN
1
2
3
4
5
6
CTRL
GND
Vin
CTRL
GND
Vin
Top View
0V
-Vo
Trim
+Vo
0V
+Vo
Front View
DIN-RAIL MOUNT WITH HEATSINK
units: mm[inch]
tolerance: ±0.50[±0.02]
wire range: 24~12 AWG
mounts to TS35 rails
PIN CONNECTIONS
Single
Output
Dual
Output
PIN
1
2
3
4
5
6
CTRL
GND
Vin
CTRL
GND
Vin
Top View
0V
-Vo
Trim
+Vo
0V
+Vo
Front View
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3D Model
CUI Inc │ SERIES: PYB20-DIN │ DESCRIPTION: DC-DC CONVERTER
date 01/18/2021 │ page 5 of 7
DERATING CURVES
With heatsink
100
80
Without heatsink
60
Safe operating area
40
20
-40
-20
0
20
40
5560
85
Ambient Temperature (°C)
EMC RECOMMENDED CIRCUIT
Table 1
Recommended external circuit components
Figure 1
Vin (Vdc)
FUSE
MOV
LDM1
C0
24
48
CY1
LDM1
FUSE
MOV
Choose according to input current
Vin
Vin
+Vo
S14K35
4.7μH
S14K60
4.7μH
+
LOAD
DC /DC
C0
C1
Cout
330μF/50V
1μF/50V
1nF/2kV
1nF/2kV
330μF/100V
1μF/100V
1nF/2kV
1nF/2kV
GND
GND
-Vo
(0V)
(a)
(b)
CY2
C1
CY1
CY2
Note:
1. See Table 2 for Cout values.
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CUI Inc │ SERIES: PYB20-DIN │ DESCRIPTION: DC-DC CONVERTER
date 01/18/2021 │ page 6 of 7
APPLICATION NOTES
1. Recommended circuit
This series has been tested according to the following recommended testing circuit before leaving the factory. This series should be
tested under load (see Figure 2). If you want to further decrease the input/output ripple, you can increase the capacitance accord-
ingly or choose capacitors with low ESR (see Table 2). However, the capacitance of the output filter capacitor must be appropriate. If
the capacitance is too high, a startup problem might arise. For every channel of the output, to ensure safe and reliable operation, the
maximum capacitance must be less than the maximum capacitive load (see Table 3).
Figure 2
Single Output
Dual Output
Vin
+Vo
0V
Vin
+Vo
0V
Cout
Cout
Cin
Cin
Cout
DC DC
DC DC
GND
GND
-Vo
Table 2
Cout Dual Vout
Table 3
Max. Capacitive Load1
Single Vout
Cin
(µF)
Cin
(µF)
Cout1
(µF)
Single Vout Max. Capacitive Load Dual Vout
(μF)
(Vdc)
3.3
5
(µF)
470
470
220
220
100
(Vdc)
(Vdc)
3.3
5
(μF)
10200
4020
1035
705
(Vdc)
100
100
100
100
100
--
--
--
--
--
4800
800
500
--
±5
100
100
100
--
220
100
100
--
5
12
±12
±15
--
12
12
15
--
15
15
24
24
470
Note:
1. For each output.
Note:
1. For each output.
2. Output voltage trimming
Leave open if not used.
Figure 3
Application Circuit for Trim pin
(part in broken line is the interior of models)
Formula for Trim Resistor
+Vo
+Vo
2
Vref
Vo’ - Vref
aR
-R
-R
3
3
up
down
:
:
R
R
T
=
a=
a=
R
R
1
2
R
2-a
aR
1
Vo’ - Vref
Vref
R
1
T
=
R
1-a
R
T
R
1
R
3
V
re f
Trim
R
3
V
ref
Trim
R
2
R
T
Note: Value for R1, R2, R3, and Vref refer to Table 4
RT: Trim Resistor
R
2
a: User-defined parameter, no actual meanings
Vo': The trim up/down voltage
0V
Trim down
0V
Trim up
Vout
(Vdc)
R1
(kΩ)
R2
(kΩ)
R3
(kΩ)
Vref
(V)
3.3
5
4.801 2.863
2.883 2.864
15
10
1.24
2.5
2.5
2.5
2.5
Table 4
12
15
24
10.971 2.864 17.8
14.497 2.864 17.8
24.872 2.863
20
Note:
1. Minimum load shouldn't be less than 5%, otherwise ripple may increase dramatically. Operation under minimum load will not damage the converter, however, they may
not meet all specifications listed.
2. Maximum capacitive load is tested at input voltage range and full load.
3. All specifications are measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified.
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3D Model
CUI Inc │ SERIES: PYB20-DIN │ DESCRIPTION: DC-DC CONVERTER
date 01/18/2021 │ page 7 of 7
REVISION HISTORY
rev.
description
date
1.0
initial release
updated spec
06/26/2013
08/15/2013
08/18/2014
06/16/2015
06/21/2019
01/18/2021
1.01
1.02
1.03
1.04
1.05
updated spec
updated spec
discontinued heat sink versions
safeties added to features and safety approvals line
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
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