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庫存編號 166-9045
製造零件編號R-78HB15-0.5
BrandRecom
HK$4,175.54
毎管:42 個
Tube(s)
20 → 72V dc 15V dc 1 500mA 7.5W Through Hole SIP -40°C +85°C 91% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS庫存編號 145-9233
製造零件編號L7985A
HK$9.757
毎管:100 個
單位
4.5 → 38V dc 0.6 → 38V dc 1 2A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS庫存編號 166-8718
製造零件編號R-78B9.0-1.0
BrandRecom
HK$3,190.86
毎管:42 個
Tube(s)
32V dc 9V dc 1 1A 9W Through Hole SIP -40°C +85°C 95% 6584000h 0.1% 0.25% 25mV Pk-Pk
RS庫存編號 167-1973
製造零件編號STR05S3V3
BrandXP Power
HK$662.81
毎管:10 個
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庫存編號 166-8919
製造零件編號R-78HB6.5-0.5
BrandRecom
HK$4,175.54
毎管:42 個
Tube(s)
9 → 72V dc 6.5V dc 1 500mA - Through Hole SIP -40°C +85°C 84% - ±0.6% ±1% -
RS庫存編號 466-7584
製造零件編號PSB246-2IRG
HK$1,628.14
單位
29 → 60V dc 24V dc 1 6A 144W Screw Mount - -10°C +50°C - - - - -
RS庫存編號 124-7659
製造零件編號TSR 1-24150
BrandTRACOPOWER
HK$675.55
毎管:10 個
Tube(s)
18 → 36V dc 15V dc 1 1A 15W Through Hole SIP 3 -40°C +85°C 96 → 94% 5350000h ±0.4% ±0.2% 75mV Pk-Pk
RS庫存編號 188-2979
製造零件編號STH0548S12
BrandXP Power
HK$2,841.56
毎管:40 個
Tube(s)
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庫存編號 190-8263
製造零件編號MAX734CSA+
HK$33.405
/個 (每包:2個)
單位
17V dc 11.64 → 12.6V dc 1 225 (Typ.)mA - Surface Mount - 0°C +70°C 85 (Typ.)% - - - -
RS庫存編號 188-2980
製造零件編號STH0548S15
BrandXP Power
HK$2,841.56
毎管:40 個
Tube(s)
21 → 72V dc 15V dc 1 400mA - Surface Mount SMD -40°C +100°C 84 % @ 72 V 4.8 (Minimum)Mh ±1% ±1% 75mV Pk-Pk
全新
RS庫存編號 204-2510
製造零件編號MAX20796GFB+
HK$70.07
Each (In a Tray of 294)
單位
4.5 → 16V dc 0.5 → 5.5V dc 2 Variable - - - - - - - - - -
RS庫存編號 532-8066
製造零件編號R-789.0-0.5
BrandRecom
HK$60.89
單位
11 → 32V dc 9V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 96% 21098000h ±0.4% ±0.2% 25mV Pk-Pk
RS庫存編號 825-6848
製造零件編號TPS5450DDAR
HK$39.88
/個 (每包:2個)
單位
- - 1 - - Surface Mount - - - - - - - -
RS庫存編號 193-2057
製造零件編號TSR 1-48150WI
BrandTRACOPOWER
HK$152.69
單位
21 → 72V dc 15V dc 1 1A - Through Hole SIP -40°C +80°C 93 (Typ.)% 8215000h 0.5% 0.6% 50 (Typ.)mV Pk-Pk
RS庫存編號 161-8869
製造零件編號STR05S1V5
BrandXP Power
HK$642.63
毎管:10 個
Tube(s)
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
全新
RS庫存編號 204-2511
製造零件編號MAX20796GFB+
HK$101.93
單位
4.5 → 16V dc 0.5 → 5.5V dc 2 Variable - - - - - - - - - -
RS庫存編號 167-6213
製造零件編號OKI-78SR-5/1.5-W36H-C
HK$3,332.05
1 Tray of 100 Pack(s)
Tray(s)
- 5V dc 1 1.5A 7.5W Through Hole SIP -40°C +85°C 90.5% - ±0.25% ±0.25% 75mV Pk-Pk
全新
RS庫存編號 193-2039
製造零件編號TSR 0.6-48120WI
BrandTRACOPOWER
HK$867.83
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 173-7022
製造零件編號OKI-78SR-3.3/1.5-W36E-C
HK$51.92
單位
12V dc 3.3V dc 1 1.5A 4.95W Through Hole TO-220 -40°C +85°C 85.5% 78700000h ±0.4% ±0.3% 40mV Pk-Pk
RS庫存編號 827-5570
製造零件編號TSR 1-2433SM
BrandTRACOPOWER
HK$70.68
單位
4.75 → 36V dc 3.3V dc 1 1A - Through Hole TO-220 -40°C +85°C 78 % @ Vin max, 91 % @ Vin min >5350000h 0.6% 0.2% 50 (1.2 → 6.5 VDC Models) mV, 75 (9 → 15 VDC Models) mV