Switching Regulators

Switching regulators are circuits that transform voltage and input current into a voltage and an output current of suitable level for properly feed the system, compensating for variations in the load and input voltage. They regulate energy transfer to maintain a constant output voltage within the circuit limits.

What are switching regulators used for?

They are use for single-cell or multi-cell battery powered applications and for portable electronic devices that are battery powered. They can prevent short circuits and ensure over voltage and under voltage protection. Switching regulators protect electronic systems from over current and over temperature damage.

Types of switching regulators

The basic circuit of the switching regulator can be configured to increase (step up or boost), reduce (step down or buck), or reverse the output voltage with respect to the input voltage (inverters). Switching regulators offer several advantages over linear voltage regulators. The main advantage is the high conversion efficiency, up to 95%. They often do not require external capacitors.


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Description Price Input Voltage Output Voltage Number of Outputs Output Current Power Rating Mounting Type Package Minimum Temperature Maximum Temperature Efficiency MTBF Load Regulation Line Regulation Ripple And Noise
RS Stock No. 122-4615
Mfr. Part No.STR05S1V8
BrandXP Power
$13.27
Each
units
4.75 → 32V dc 1.8V dc 1 500mA 0.9W Surface Mount SMD -40°C +100°C 71% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 161-8867
Mfr. Part No.STR05S1V8
BrandXP Power
$124.74
1 Tube of 10
Tube(s)
4.75 → 32V dc 1.8V dc 1 500mA 0.9W Surface Mount SMD -40°C +100°C 71% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 188-2973
Mfr. Part No.STH0548S3V3
BrandXP Power
$648.67
1 Tube of 40
Tube(s)
9 → 72V dc 3.3V dc 1 500mA - Surface Mount SMD -40°C +100°C 70 % @ 72 V 4.8 (Minimum)Mh ±1% ±1% 75mV Pk-Pk
RS Stock No. 122-4614
Mfr. Part No.STR05S1V5
BrandXP Power
$13.27
Each
units
4.75 → 32V dc 1.5V dc 1 500mA 0.75W Surface Mount SMD -40°C +100°C 63% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 188-2974
Mfr. Part No.STH0548S05
BrandXP Power
$648.67
1 Tube of 40
Tube(s)
9 → 72V dc 5V dc 1 500mA - Surface Mount SMD -40°C +100°C 74 % @ 72 V 4.8 (Minimum)Mh ±1% ±1% 75mV Pk-Pk
RS Stock No. 167-2719
Mfr. Part No.SR05S12
BrandXP Power
$553.17
1 Tube of 40
Tube(s)
15 → 34V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 96% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 188-3368
Mfr. Part No.STH0548S6V5
BrandXP Power
$17.55
Each
units
9 → 72V dc 6.5V dc 1 500mA - Surface Mount SMD -40°C +100°C 78 % @ 72 V 4.8 (Minimum) Mh ±1% ±1% 75mV Pk-Pk
RS Stock No. 161-9259
Mfr. Part No.SR10S2V5
BrandXP Power
$512.59
1 Tube of 40
Tube(s)
4.75 → 18V dc 2.5V dc 1 1A 2.5W Through Hole SIP -40°C +60°C 87% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7222
Mfr. Part No.TR05S05
BrandXP Power
$6.71
Each
units
7 → 28V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 92% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 134-6949
Mfr. Part No.TR10S05
BrandXP Power
$5.78
Each
units
8 → 28V dc 5V dc 1 1A - Through Hole SIP -40°C +85°C 90% 3.8 (Minimum)Mh 1.5% 1% 100mV Pk-Pk
RS Stock No. 122-7214
Mfr. Part No.SR05S15
BrandXP Power
$10.94
Each
units
18 → 34V dc 15V dc 1 500mA 7.5W Through Hole SIP -40°C +85°C 97% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7216
Mfr. Part No.SR05S3V3
BrandXP Power
$12.49
Each
units
4.75 → 34V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 91% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 188-2977
Mfr. Part No.STH0548S7V2
BrandXP Power
$648.67
1 Tube of 40
Tube(s)
14 → 72V dc 7.2V dc 1 500mA - Surface Mount SMD -40°C +100°C 81 % @ 72 V 4.8 (Minimum)Mh ±1% ±1% 75mV Pk-Pk
RS Stock No. 161-9073
Mfr. Part No.TR05S12
BrandXP Power
$241.22
1 Tube of 40
Tube(s)
14 → 28V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 94% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 188-2975
Mfr. Part No.STH0548S6V5
BrandXP Power
$648.67
1 Tube of 40
Tube(s)
9 → 72V dc 6.5V dc 1 500mA - Surface Mount SMD -40°C +100°C 78 % @ 72 V 4.8 (Minimum)Mh ±1% ±1% 75mV Pk-Pk
RS Stock No. 122-7212
Mfr. Part No.SR05S09
BrandXP Power
$11.40
Each
units
11 → 34V dc 9V dc 1 500mA 4.5W Through Hole SIP -40°C +85°C 96% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 167-1973
Mfr. Part No.STR05S3V3
BrandXP Power
$144.18
1 Tube of 10
Tube(s)
4.75 → 32V dc 3.3V dc 1 500mA 1.65W Surface Mount SMD -40°C +100°C 81% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 188-3377
Mfr. Part No.STH0548S12
BrandXP Power
$17.55
Each
units
17 → 72V dc 12V dc 1 500mA - Surface Mount SMD -40°C +100°C 86 % @ 72 V 4.8 (Minimum) Mh ±1% ±1% 75mV Pk-Pk
RS Stock No. 122-7223
Mfr. Part No.TR05S12
BrandXP Power
$5.72
Each
units
14 → 28V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 94% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 134-6946
Mfr. Part No.TR10S3V3
BrandXP Power
$6.49
Each
units
7 → 28V dc 3.3V dc 1 1A - Through Hole SIP -40°C +85°C 90% 3.8 (Minimum)Mh 1.5% 1% 100mV Pk-Pk