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
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RS庫存編號 212-4660
製造零件編號TR2024S05
BrandXP Power
HK$87.52
單位
6.5-36V dc 5V dc 1 2A - - - - - - - - - -
RS庫存編號 193-2039
製造零件編號TSR 0.6-48120WI
BrandTRACOPOWER
HK$890.71
毎管:10 個
Tube(s)
17 → 72V dc 12V dc 1 600mA - Through Hole SIP -40°C +85°C 93 (Typ.)% 18160000h 0.9% 0.6% 50 (Typ.)mV Pk-Pk
RS庫存編號 166-5285
製造零件編號TSR 1-2465
BrandTRACOPOWER
HK$732.43
毎管:10 個
Tube(s)
9 → 36V dc 6.5V dc 1 1A 6.5W Through Hole SIP 3 -40°C +85°C 94 → 87% 5350000h ±0.4% ±0.2% 50mV Pk-Pk
RS庫存編號 178-3474
製造零件編號STS1005S1V2
BrandXP Power
HK$70.07
單位
3 → 5.5V dc 1.2V dc 1 1A 1W Surface Mount SMD -40°C +105°C 90.5% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS庫存編號 666-4385
製造零件編號TSR 1-24120
BrandTRACOPOWER
HK$47.15
單位
15 → 36V dc 12V dc 1 1A 12W Through Hole SIP 3 -40°C +85°C 95 → 91% 5350000h ±0.4% ±0.2% 75mV Pk-Pk
RS庫存編號 166-8987
製造零件編號R-78HB24-0.3L
BrandRecom
HK$5,071.37
毎管:42 個
Tube(s)
36 → 72V dc 24V dc 1 300mA - Through Hole SIP -40°C +85°C 92% - ±0.6% ±1% -
RS庫存編號 167-2719
製造零件編號SR05S12
BrandXP Power
HK$2,094.20
毎管:40 個
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庫存編號 739-8290
製造零件編號R-78C5.0-1.0
BrandRecom
HK$77.65
單位
8 → 42V dc 5V dc 1 1A 5W Through Hole SIP 3 -40°C +85°C 85% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
RS庫存編號 770-4377
製造零件編號ROF-78E5.0-0.5SMD
BrandRecom
HK$29.77
單位
9 → 36V dc 5V dc 1 500mA - Surface Mount SMD -40°C +75°C 87% 700000h ±3% ±1% 100mV Pk-Pk
RS庫存編號 166-6050
製造零件編號TSR 0.5-2490
BrandTRACOPOWER
HK$515.62
毎管:10 個
Tube(s)
11 → 32V dc 9V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 96% 2000000h ±0.4% ±0.2% 40mV Pk-Pk
全新
RS庫存編號 212-4668
製造零件編號TR2024S1V2
BrandXP Power
HK$87.52
單位
4.6-36V dc 1.2V dc 1 2A - - - - - - - - - -
RS庫存編號 166-6132
製造零件編號TSN 1-2452
BrandTRACOPOWER
HK$1,178.42
毎管:10 個
Tube(s)
-7.5 → -32V dc -5.2V dc 1 -1A - Through Hole - -40°C +85°C 92% - 0.6% 1% -
RS庫存編號 190-7778
製造零件編號MAX1623EAP+
HK$91.13
單位
4.5 → 5.5V dc 3.29 → 3.36V dc 1 3.65A - Surface Mount - -40°C +85°C 94% - - - -
RS庫存編號 173-6923
製造零件編號OKI-78SR-12/1.0-W36HE-C
HK$55.459
毎盒:126 個
Box(es)
24V dc 12V dc 1 1A 12W Through Hole TO-220 -40°C +85°C 95.3% 78700000h ±0.25% ±0.25% 75mV Pk-Pk
RS庫存編號 706-3935
製造零件編號R-78AA2.5-0.5SMD
BrandRecom
HK$72.36
單位
4.75 → 32V dc 2.5V dc 1 500mA - Surface Mount DIP -40°C +85°C 87% 29253000h 0.7% 0.2% 20mV Pk-Pk
RS庫存編號 190-8230
製造零件編號MAX639ESA+
HK$56.055
/個 (每包:2個)
單位
4 → 11.5V dc 4.8 → 5.2V dc 1 225mA - Surface Mount - -40°C +85°C 94 (Typ.)% - - - -
RS庫存編號 186-1448
製造零件編號NCP1616A2DR2G
HK$13.926
/個 (每包:5個)
單位
9.5 → 28V dc 3.85 → 4.1V dc 1 - - Surface Mount SOIC -40°C +150°C - - - - -
RS庫存編號 190-4481
製造零件編號MAX15301AA02+CJK
HK$51.384
毎管:60 個
單位
4.5 → 14V dc 0.5 → 5.25V dc 1 30A - Surface Mount - -40°C +85°C - - - - -
RS庫存編號 122-7225
製造零件編號TR05S3V3
BrandXP Power
HK$49.76
單位
4.5 → 28V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 89% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS庫存編號 193-1789
製造零件編號R-78HE5.0-0.3
BrandRecom
HK$1,958.41
毎管:42 個
Tube(s)
6.5 → 72V dc 5V dc 1 300mA - PCB Mount - -40°C +105°C 83% 15000 x 10^3h 1 (Typ.)% ±1.5 (Typ.)% 150mV Pk-Pk