Non-Isolated DC/DC Converter (POL)
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TSR 0.5SM Series, 0.5 A
Compact SMD package
Very high efficiency up to 97%
Excellent line / load regulation
Low standby current
Operating temperature range –40 to
90°C
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Over-temperature and short circuit
protection
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Remote On/Off input
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3-year product warranty
Adjustable output voltage
TSR 0.5SM is a series of step-down non-isolated switching regulators in compact SIP package. These converters are an ideal alternative to LM78 linear regulators when energy efficiency is a parameter of the design. The high efficiency
up to 97% allows full load operation up to +80°C (+90°C with 50% load) ambient temperature without the need of forced air cooling.
Excellent output voltage accuracy and low standby current are other features
that distinguish switching regulators from linear regulators.
Moisture sensitivity level 2 as per IPC
J-STD-033C
Models
Order Code
Output Current
Input Voltage
Output Voltage
Efficiency
max.
Range
nom. (adjustable)
typ.
TSR 0.5-2415SM
1.5 VDC (1.4 - 2.5 VDC)
73 % (at Vin min.)
TSR 0.5-2418SM
1.8 VDC (1.5 - 3.0 VDC)
82 % (at Vin min.)
2.5 VDC (1.5 - 3.0 VDC)
87 % (at Vin min.)
3.3 VDC (3.0 - 5.5 VDC)
91 % (at Vin min.)
4.75 - 32 VDC (24 VDC nom.)
TSR 0.5-2425SM
TSR 0.5-2433SM
6.5 - 32 VDC (24 VDC nom.)
5 VDC (3.0 - 8.0 VDC)
94 % (at Vin min.)
TSR 0.5-2465SM
8 - 32 VDC (24 VDC nom.)
6.5 VDC (3.3 - 11.0 VDC)
95 % (at Vin min.)
TSR 0.5-2490SM
11 - 32 VDC (24 VDC nom.)
9 VDC (4.5 - 12.6 VDC)
96 % (at Vin min.)
TSR 0.5-24120SM
15 - 32 VDC (24 VDC nom.)
12 VDC (4.5 - 13.5 VDC)
97 % (at Vin min.)
TSR 0.5-24150SM
18 - 32 VDC (24 VDC nom.)
15 VDC (4.5 - 15.5 VDC)
97 % (at Vin min.)
TSR 0.5-2450SM
Note
500 mA
- For input voltage higher 28 VDC an input capacitor of 22 µF is required
www.tracopower.com
September 20, 2023
Page 1 / 4
TSR 0.5SM Series, 0.5 A
Input Specifications
Input Current
- At no load
Surge Voltage
Recommended Input Fuse
5 mA typ.
34 VDC max. (1 s max.)
(The need of an external fuse has to be assessed
in the final application.)
Internal Capacitor
1.5 W max.
Input Filter
Short Circuit Input Power
Output Specifications
Output Voltage Adjustment
1.5 Vout models:
1.8 Vout models:
2.5 Vout models:
3.3 Vout models:
5 Vout models:
6.5 Vout models:
9 Vout models:
12 Vout models:
15 Vout models:
See application note:
Voltage Set Accuracy
Regulation
- Input Variation (Vmin - Vmax)
- Load Variation (10 - 100%)
Ripple and Noise
(20 MHz Bandwidth)
Capacitive Load
Minimum Load
Temperature Coefficient
Short Circuit Protection
Transient Response
1.5 Vout models:
1.8 Vout models:
2.5 Vout models:
3.3 Vout models:
5 Vout models:
6.5 Vout models:
9 Vout models:
12 Vout models:
15 Vout models:
- Response Deviation
- Response Time
1.4 - 2.5 VDC
1.5 - 3.0 VDC
1.5 - 3.0 VDC
3.0 - 5.5 VDC
3.0 - 8.0 VDC
3.3 - 11.0 VDC
4.5 - 12.6 VDC
4.5 - 13.5 VDC
4.5 - 15.5 VDC
(By external trim resistor)
www.tracopower.com/overview/tsr0-5sm
±3% max.
0.2% max. (9, 12 & 15 Vout models)
0.4% max. (other models)
0.4% max. (9, 12 & 15 Vout models)
0.6% max. (other models)
30 mVp-p max.
30 mVp-p max.
30 mVp-p max.
30 mVp-p max.
30 mVp-p max.
30 mVp-p max.
40 mVp-p max.
40 mVp-p max.
40 mVp-p max.
220 µF max.
Not required
±0.015 %/K max.
Continuous, Automatic recovery
2% max. (50% Load Step)
100 µs max. (50% Load Step)
EMC Specifications
EMI Emissions
- Conducted Emissions
- Radiated Emissions
EMS Immunity
External filter proposal:
Air:
- Electrostatic Discharge
- RF Electromagnetic Field
- EFT (Burst)
Ext. input component:
- Conducted RF Disturbances
- PF Magnetic Field
Continuous:
EN 55032 class B (with external filter)
FCC Part 15 class B (with external filter)
EN 55032 class B (internal filter)
FCC Part 15 class B (internal filter)
www.tracopower.com/overview/tsr0-5sm
EN 61000-4-2, ±8 kV, perf. criteria A
EN 61000-4-3, 3 V/m, perf. criteria A
EN 61000-4-4, ±0.5 kV, perf. criteria A
Nippon chemi-con KY 330 µF, 100 V
EN 61000-4-6, 3 Vrms, perf. criteria A
EN 61000-4-8, 3 A/m, perf. criteria A
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com
September 20, 2023
Page 2 / 4
TSR 0.5SM Series, 0.5 A
General Specifications
Relative Humidity
Temperature Ranges
Power Derating
- Operating Temperature
- Case Temperature
- Storage Temperature
- High Temperature
Over Temperature
Protection Switch Off
- Protection Mode
- Measurement Point
Cooling System
Remote Control
- Voltage Controlled Remote
- Off Idle Input Current
Switching Frequency
Insulation System
Reliability
Moisture Sensitivity (MSL)
Washing Process
- Calculated MTBF
Housing Material
Pin Material
Pin Foundation Plating
Pin Surface Plating
Housing Type
Mounting Type
Connection Type
Footprint Type
Soldering Profile
Weight
Environmental Compliance - REACH Declaration
- RoHS Declaration
- SCIP Reference Number
95% max. (non condensing)
–40°C to +90°C
+100°C max.
–55°C to +125°C
5 %/K above 80°C
See application note: www.tracopower.com/overview/tsr0-5sm
160°C typ. (Automatic recovery)
Internal IC temperature
Natural convection (20 LFM)
On: 2.4 to 5.0 VDC or open circuit
Off: 0 to 1.6 VDC or short circuit
Refers to 'Remote' and 'GND' Pin
0.035 mA max.
280 - 380 kHz (PWM)
330 kHz typ. (PWM)
Non-isolated
2'000'000 h (MIL-HDBK-217F, ground benign)
Level 2 (J-STD-033C)
According to Cleaning Guideline
www.tracopower.com/info/cleaning.pdf
Non-conductive Plastic (UL 94 V-0 rated)
Phosphor Bronze (C5191)
Copper (1 - 3 µm)
Tin (7.5 µm min.), matte
Plastic Case
PCB Mount
SMD (Surface-Mount Device)
SMD10
Lead-Free Reflow Soldering (acc. J-STD-020E)
See application note: www.tracopower.com/info/reflow-soldering.pdf
1.7 g
www.tracopower.com/info/reach-declaration.pdf
REACH SVHC list compliant
REACH Annex XVII compliant
www.tracopower.com/info/rohs-declaration.pdf
Exemptions: 7a
(RoHS exemptions refer to the component
concentration only, not to the overall
concentration in the product (O5A rule).)
e0a18ff4-ad10-4a4c-9291-ed6dcd37c4d5
Supporting Documents
Overview Link (for additional Documents)
www.tracopower.com/overview/tsr0-5sm
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com
September 20, 2023
Page 3 / 4
TSR 0.5SM Series, 0.5 A
Outline Dimensions
15.3 (0.60)
(4x0.100)
(0.101)
8
7
2
3
4
5
1.3
0.55
(0.051)
(0.022)
9.24 (0.364)
Pin
Function
1
+Vin
2
+Vin
3
GND
4
+Vout
5
+Vout
6
Trim
7
GND
8
GND
0.10 S
6
Top view
1
0-4°
12.35 (0.486)
9
S Seating plane
(0.02)
2.57
9.6 (0.38)
10
4x2.54
0.44
8.8 (0.35)
Pinout
Dimensions in mm (inch)
Tolerances: x.x ±0.5 (x.xx ±0.02)
x.xx ±0.25 (x.xxx ±0.01)
9
GND
10
Remote On/Off
Pin tolerances: ±0.05 (±0.002)
Pin pitch tolerances: ±0.25 (±0.01)
Recommended Solder Pad Layout
6x2.54
9
8
7
6
1
2
3
4
5
2.1
1.2
(0.05)
(0.08)
13.8
10
(0.54)
(6x0.10)
© Copyright 2023 Traco Electronic AG
Specifications can be changed without notice.
www.tracopower.com
Rev. September 20, 2023
Page 4 / 4
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