VR20 Series
DC-DC Converter
2 Amp
xxx Series
• Non Isolated 2A Switching Regulator
• Regulated Single Outputs from 2.5 to 15VDC
• Wide Input Range to 36V
• SIP3 Package
• High Efficiency to 96%
• Class B Conducted & Radiated Emissions
• Short Circuit Protection
• Low 0.1mA Standby Input Current
• -40°C to +85°C Operation
• MTBF >2MHrs
• 3 Year Warranty
Dimensions:
The VR20 provides a cost effective compact efficient switching regulator solution operating from a
wide range DC input. Output voltages start from 2.5V and the VR20 consumes as little as 0.1mA
when idle.
VR20:
0.453 x 0.689 x 0.354" (11.5 x 17.5 x 9.0mm)
Models & Ratings
Input Current(1)
Efficiency(2)
No Load
Full Load
Max. Capacitive
Load
2.0A
0.2mA
1300mA
2000µF
89%
83%
VR20S2V5
2.0A
0.1mA
1260mA
1800µF
89%
85%
VR20S3V3
5.0V
2.0A
0.1mA
1380mA
1000µF
92%
89%
VR20S05
13-36V
9.0V
2.0A
0.1mA
1490mA
680µF
95%
92%
VR20S09
16-36V
12V
2.0A
0.1mA
1590mA
470µF
96%
94%
VR20S12
18-36V
15V
2.0A
0.1mA
1760mA
470µF
96%
94%
VR20S15
Input Voltage
Output Voltage
Output Current
4.5-36V
2.5V
6.0-36V
3.3V
8.0-36V
Vin, Min.
Vin, Max.
Model Number
Notes
1. Full load input current measured at minimum input voltage.
2. Efficiency measured at full load.
3. Standard tube quantity 44 pcs.
4. Right angle pin option, add suffix -RA.
Mechanical Details
FRONT VIEW
RIGHT ANGLE PIN OPTION (-RA)
FOOTPRINT
(TOP VIEW)
UNDERSIDE VIEW
0.689 (17.5)
0.200 (5.08)
0.354 (9.00)
0.453 (11.50)
0.748 (19.0)
VR20
0.689 (17.5)
0.020 (0.50)
0.354 (9.0)
0.085 (2.15)
1 2 3
0.100 (2.54)
TYP.
0.012
(0.30)
Ø0.039
( Ø1.00)
0.028 (0.70)
0.161 (4.10)
0.200 (5.08)
0.012 (0.3)
Notes
1. All dimensions are in inches (mm)
2. Weight: 0.0083lbs (3.8g) approx.
3. Pin diameter: 0.02±0.004 (0.7±0.1)
1
4. Case & pin tolerance: ±0.02 (±0.5)
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Pin Connections
1 2 3
Pin
1
2
3
Single
+Vin
Ground
+Vout
VR20 Series
DC-DC Converter
Input
Maximum
Units
Notes & Conditions
36
VDC
See Models and Ratings table.
Input Reflected Ripple
20
mA pk-pk
Input Surge
45
VDC
For max. 100ms.
Maximum
Units
Notes & Conditions
15
VDC
See Models and Ratings table.
±4.0/±3.0
%
2.5V and 3.3V/others (At full load)
mA
No minimum load required.
%
%
Full load over input voltage range.
Maximum variation applies to 2.5V output models.
For 50% load change. Recovery in 200µs.
Characteristic
Input Voltage Range
Input Filter
Minimum
Typical
4.5
Internal capacitor
Output
Characteristic
Minimum
Output Voltage
2.5
Initial Set Accuracy
Minimum Load
Typical
±2.0
0
Line Regulation
Load Regulation
±0.4
±0.5
±0.8
±1.5
Transient Response
±5
%
Ripple & Noise
75
mV pk-pk
Short Circuit Protection
Continuous, with auto recovery. Hiccup mode.
Maximum Capacitive Load
See Models and Ratings table.
Temperature Coefficient
0.03
20 MHz bandwidth.
%/ ˚C
Overload Protection
3.5
A
Start-up Time
20
ms
General
Characteristic
Minimum
Typical
Maximum
Units
96
%
Efficiency
Isolation: Input to Output
0
Switching Frequency
Mean Time Between Failure
400
kHz
2
Weight
Case Material
VDC
MHrs
0.0083 (3.8)
Notes & Conditions
See models and ratings table.
Non isolated.
At full load.
MIL-HDBK-217F.
lb (g)
Non-conductive black plastic UL94V-0.
Pin Material
Solder coated phosphor bronze C5191R-1/2H.
Potting Material
Polyurethane type L780 UL94V-0 rated.
Water Wash
Use de-ionised water only, dry thoroughly.
Soldering Temperature
260
°C
Wave solder peak, 1.5mm from case 10s max. Not suitable
for vapour phase soldering. For further details contact
XP Power applications team.
Environmental
Characteristic
Maximum
Units
Notes & Conditions
Operating Temperature
Minimum
-40
+85
°C
See derating curves.
Storage Temperature
-55
+125
°C
Case Temperature
Humidity
Cooling
Typical
+120
°C
95
%RH
Non-condensing.
Natural convection.
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2
VR20 Series
DC-DC Converter
EMC: Emissions
Phenomenon
Conducted
Radiated
Test Level
Class B
Class B
Standard
EN55032
EN55032
Notes & Conditions
See Application Notes
EMC: Immunity
Standard
Test Level
Criteria
Notes & Conditions
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
±6kV
10V/m
±1.0kV
±1.0kV
3Vrms
B
A
B
B
A
Contact discharge.
Phenomenon
ESD Immunity
Radiated Immunity
EFT/Burst
Surges
Conducted Immunity
V
See Application Notes
Application Notes
Input Filter to meet Class B Conducted Emissions
+Vin
L
Fuse
1
Vin
VR20
+Vo
3
L
C1
C2/C3
C4
C5
22µH
100µF/100V
10µF/50V
680µF/50V
22µF/25V
GND
C1 +
C2 +
C3 +
C4 +
2
C5 +
Load
Select fuse rating based on application input current.
Ground
Typical Application
Part Number
1
+Vin
Vin
C6 +
VR20
GND
2
+Vo
3
+Vout
Ground
VR20S3V3
22µF/10V
VR20S09
Ground
C7
22µF/10V
VR20S05
C7 +
C6
VR20S2V5
22µF/50V
22µF/10V
22µF/16V
VR20S12
22µF/25V
VR20S15
22µF/25V
Derating Curves
2.5V/3.3V/5V output
100
80
>32V
60
Vin ≤32V
40
0
-40
OUTPUT POWER
OUTPUT POWER
(%)
100
(%)
120
20
3
9V/12V/15V output
120
80
70
>32V
60
>24V
Vin ≤24V
40
30
20
85
40 55
71
AMBIENT TEMPERATURE(° & )
0
0
-40
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85
0
40 55
71
AMBIENT TEMPERATURE(° & )
09 June 2020
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