0.5 Amps
TR Series
•
•
•
•
•
•
•
Wide Input Range
DC DC
xppower.com
3 Pin SIP 3T Switching Regulator
Continuous Short circuit Protection
Pin Compatible with LM78MXX
Efficiency up to 94%
40 °C to +85 °C Operating Temperature
3 Year Warranty
Specification
Input
Input Voltage Range
• See table
Input Current
• See table
Input Reflected Ripple
• 35 mA pk-pk through 12 µH inductor and
47 µF capacitor, 5 Hz to 20 MHz
Input Filter
• External capacitor (see application notes)
Model Numbers
Input
Voltage
No Load
Input
Current
1.0
1.0
1.5
2.0
mA
mA
mA
mA
Output
Voltage
Output
Current
Efficiency
(5)
75-89%
80-92%
90-94%
92-94%
Model Number
Output
Output Voltage
Minimum Load
Line Regulation
Load Regulation
Setpoint Accuracy
Turn-on Time
Ripple & Noise
See table
5 mA
±0.5% max
±0.8% from 10% to 100% load
±3%
See note 6
60 mV pk-pk with 10% minimum load,
20 MHz bandwidth
Maximum Capacitive
• 110 µF for S3V3, S05 and S12 models,
Load
47 µF for S15 models
Short Circuit Protection
• Indefinite (automatic recovery)
Temperature Coefficient
• 0.02%/˚C
•
•
•
•
•
•
•
4.5-28.0
7.0-28.0
14.0-28.0
17.0-28.0
VDC
VDC
VDC
VDC
3.3
5.0
12.0
15.0
V
V
V
V
500
500
500
500
mA
mA
mA
mA
TR05S3V3
TR05S05
TR05S12
TR05S15
Mechanical Details
0.46
(11.68)
0.38
(9.65)
0.02
(0.50)
0.10
(2.54)
0.08
(2.00)
0.02
(0.50)
1
2
3
0.29
(7.50)
0.16
(4.10)
0.40
(10.16)
Printed
Face
0.20
(5.08)
General
Efficiency
Isolation Voltage
Switching Frequency
Package Style
MTBF
•
•
•
•
•
See table
Non-isolated
570 kHz typical
3 pin SIP
>4.0 MHrs to MIL-HDBK-217F at 25 °C, GB
0.29
(7.50)
0.02
(0.50)
0.01
(0.25)
Pin Connections
Pin
Function
1
+Vin
2
GND
3
+Vout
Environmental
Operating Temperature
• -40 °C to +85 °C, S3V3 and S05, derate
from 100% load at 70 °C to 40% load at
85 °C, S12 and S15 derate from 100% load
at 65 °C to 40% load at 85 °C
Operating Humidity
• 95% RH
Case Temperature
• +100 °C max
Storage Temperature
• -40 °C to +125 °C
Cooling
• Convection-cooled
Notes
1. All dimensions in inches (mm)
2. Weight: 0.004 lbs (1.8 g)
3. Pin pitch tolerance: ±0.014 (±0.35)
4. Case tolerance: ±0.02 (±0.5)
5. Efficiency range given for maximum Vin to minimum Vin
6. For maximum reliability, ensure turn on time is >1 ms by placing a 22 µF
capacitor between +Vin and GND
Application Notes
Input Filter to meet Class B Conducted Emissions
L1
+
DC / DC Converter
+Vin
GND
+Vout
C1
C2
Load
-
C1
10 µF, 35 V
L1
6.8 µH
C2
10 µF, 35 V
24-Jan-13
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