切換式穩壓器

切換式穩壓器

切換式穩壓器電路使用電源開關、電感器和二極管將能量從輸入傳輸到輸出,同時可以添加反饋和控制電路來調節能量傳輸並保持恆定輸出。切換電路的基本元件為升壓(BOOST)轉換器、降壓(BUCK)轉換器,其中降壓轉換器又區分為高壓HVBUCK 與低壓LVBUCK轉換器。 我們提供的DC-DC 切換式穩壓器 IC,高效能的設計可以降低系統功耗與溫度,並提供穩定的電壓運作,進一步延長電池壽命。我們的 DC-DC 轉換器選擇提供高開關頻率、寬輸入電壓範圍、高效的內部開關元件和內置電路保護,可支持客戶端的各種應用。

天鈺科技 Fitipower

高壓降壓轉換器

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Part Number
FR9206F 18V, 3A Synchronous Step-Down DC/DC Converter FR9209 16V, 12A Synchronous Step-Down DC/DC Converter with Adjustable Current Limit, Programmable Frequency and Voltage Tracking FR9850 18V, 2A Synchronous Step-Down DC/DC Converter FR9850F 18V, 2A Synchronous Step-Down DC/DC Converter FR9204 18V, 2.5A Synchronous Step-Down DC/DC Converter FR9212AF NEW 18V, 2A Synchronous Step-Down DC/DC Converter FR9856B 18V 6A Synchronous Step-Down DC/DC Converter FR9837A 40V, 5A, Asynchronous Step-Down DC/DC Converter FR9863F 28V, 3A Synchronous Step-Down DC/DC Converter FR9207F 18V, 4A Synchronous Step-Down DC/DC Converter FR9208F 18V, 5A Synchronous Step-Down DC/DC Converter FR9212A NEW 18V, 2A Synchronous Step-Down DC/DC Converter FR9204F 18V, 2.5A Synchronous Step-Down DC/DC Converter FR9855 18V, 5.5A Synchronous Step-Down DC/DC Converter FR9854 18V, 4A Synchronous Step-Down DC/DC Converter FR9603 28V, 3A, 340KHz Synchronous Step-Down DC/DC Converter FR9205 18V, 2A Synchronous Step-Down DC/DC Converter FR9835A 28V, 5A, Asynchronous Step-Down DC/DC Converter FR9207 18V, 4A Synchronous Step-Down DC/DC Converter FR9212B NEW 18V, 2A Synchronous Step-Down DC/DC Converter FR9855B 18V, 5.5A Synchronous Step-Down DC/DC Converter FR9212BF NEW 18V, 2A Synchronous Step-Down DC/DC Converter FR9205F 18V, 2A Synchronous Step-Down DC/DC Converter FR9839A 40V, 5A, Asynchronous Step-Down DC/DC Converter FR9608 28V, 3A, 340KHz Synchronous Step-Down DC/DC Converter FR9208 18V, 5A Synchronous Step-Down DC/DC Converter FR9204FH 18V, 2.5A Synchronous Step-Down DC/DC Converter FR9609 28V, 3A, 340KHz Synchronous Step-Down DC/DC Converter FR9206FH 18V, 3A Synchronous Step-Down DC/DC Converter FR9863 28V, 3A Synchronous Step-Down DC/DC Converter FR9206 18V, 3A Synchronous Step-Down DC/DC Converter

VIN
(V)
(min)

VIN
(V)
(max)

VOUT
(V)
(min)

VOUT
(V)
(max)

IOUT
(mA)

Eff.%
Max.

Freq.
(KHz)

Iq
(μA)

Is
(μA)

Shut Down

OCP

Package

4.5
2.7
4.5
4.5
4.5
4.5
4.5
3.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
3.5
4.5
4.5
4.5
4.5
4.5
3.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
18
16
18
18
18
18
18
40
28
18
18
18
18
18
18
28
18
28
18
18
18
18
18
40
28
18
18
28
18
28
18
0.768, 0.8
0.6
0.765
0.765
0.8
0.768
0.765
0.75
0.596
0.76
0.76
0.768
0.8
0.765
0.765
0.925
0.765
0.75
0.76
0.6
0.6
0.6
0.765
0.75
0.925
0.76
0.768, 0.8
0.925
0.768
0.596
0.768, 0.8
8
5.5
8
8
8
8
8
Vin
12
8
8
8
8
8
8
28
8
Vin
8
8
8
8
8
12
16
8
8
16
8
12
8
3000
12000
2000
2000
2500
2000
6000
5000
3000
4000
5000
2000
2500
5500
4000
3000
2000
5000
4000
2000
5500
2000
2000
5000
3000
5000
2500
3000
3000
3000
3000
94
94
94
94
94
94
94
93
94
94
94
94
94
94
94
93
94
92
94
94
94
94
94
92
93
94
94
93
94
94
94
500
800
850
850
500
600
630
Adj
200~
2500
500
500
500
600
500
630
630
340
850
Adj
200~
2500
500
600
630
600
850
Adj
200~
2500
340
500
1200
340
500
500
500
300
300
300
300
300
500
600
100
150
400
400
270
300
600
600
1200
250
100
400
270
600
270
300
100
3000
400
300
500
300
150
300
0.1
1
1
1
0.1
12
1
1.3
3
3
1
12
0.1
1
1
2
1
1.3
3
12
1
12
1
1.3
2
0.1
0.1
2
1
3
0.1
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
SOT-563-6L
TSOT-23-6L
TQFN-21L 3x4
SOT-23-6
SOT-23-6L
SOT-563
SOT-23-6L
SOP-8 (EP)
SOP-8L (EP)
TSOT-23-6
TSOT-23-6
TSOT-23-6L
SOT-23-6L
SOT-563
SOP-8 (EP)
TDFN-10
SOP-8L (EP)
TQFN-16L (3mmx3mm)
TDFN-10 (3×3)
SOT-23-6
SOP-8L (EP)
TSOT-23-6
SOT-23-6L
SOP-8 (EP)
TDFN-10 (3x3)
SOT-23-6L
SOT-23-6
SOP-8L (EP)
SOP-8L (EP)
TSOT-23-6
SOT-563
TSOT-23-6
SOP-8L (EP)
TSOT-23-6
TSOT-23-6
SOT-563-6L
TSOT-23-6L