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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。

AG中国.信誉科技 Fitipower
升壓轉換器 高壓降壓轉換器 低壓降壓轉換器
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高壓降壓轉換器

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Part Number
FR9204 18V, 2.5A Synchronous Step-Down DC/DC Converter FR9204F 18V, 2.5A Synchronous Step-Down DC/DC Converter FR9204FH 18V, 2.5A Synchronous Step-Down DC/DC Converter FR9205 18V, 2A Synchronous Step-Down DC/DC Converter FR9205F 18V, 2A Synchronous Step-Down DC/DC Converter FR9206 18V, 3A Synchronous Step-Down DC/DC Converter FR9206F 18V, 3A Synchronous Step-Down DC/DC Converter FR9207 NEW 18V, 4A Synchronous Step-Down DC/DC Converter with High Efficiency at Light Load FR9207F NEW 18V, 4A Synchronous Step-Down DC/DC Converter FR9208F 18V, 5A Synchronous Step-Down DC/DC Converter FR9208 18V, 5A Synchronous Step-Down DC/DC Converter FR9850 FR9208F-18V 5A Synchronous Step-Down DC/DC Converte FR9850F FR9850-18V 2A Synchronous Step-Down DC/DC Converter FR9854 18V, 4A Synchronous Step-Down DC/DC Converter FR9855 18V, 5.5A Synchronous Step-Down DC/DC Converter FR9838 NEW 36V, 5A, 130KHz Synchronous Step-Down DC/DC Converter for Charger Application FR9863 28V, 3A Synchronous Step-Down DC/DC Converter FR9209 NEW 16V, 12A Synchronous Step-Down DC/DC Converter with High Efficiency at Light Load FR9838 36V, 5A, 130KHz Synchronous Step-Down DC/DC Converter for Charger Application FR9839/A NEW 36V, 5A, 130KHz ASynchronous Step-Down DC/DC Converter FR9603 28V, 3A, 340KHz Synchronous Step-Down DC/DC Converter FR9608 28V, 3A Synchronous Step-Down DC/DC Converter FR9609 28V, 3A Synchronous Step-Down DC/DC Converter with High Efficiency at Light Load FR9855B Sync. 5.5A Buck Internal Comp. Converter with fast constant on time control technique (FCOT) External SS/PG FR9856B Sync. 6A Buck Internal Comp. Converter with fast constant on time control technique (FCOT) External VREG/PG FR9863F 28V, 3A Synchronous Step-Down DC/DC Converter

VIN
(V)
(min)

asc desc

VIN
(V)
(max)

asc desc

VOUT
(V)
(min)

asc desc

VOUT
(V)
(max)

asc desc

IOUT
(mA)

asc desc

Eff.%
Max.

Freq.
(KHz)

Iq
(μA)

Is
(μA)

Shut Down

OCP

Package

4.3
4.3
4.3
4.3
4.3
4.3
4.3
4.5
4.5
4.3
4.3
4.5
4.5
4.5
4.5
4.5
4.5
6
4.5
3.5
4.5
4.5
4.5
4.5
4.5
4.5
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
36
28
16
36
40
28
28
28
18
18
28
0.8
0.8
0.765
0.765
0.765
0.765
0.8
0.765
0.8
0.76
0.76
0.765
0.765
0.765
0.765
0.765
0.765
0.8
0.596
0.6
0.8
0.75
0.925
0.925
0.925
0.6
0.765
0.596
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
20
12
5.5
20
12
28
16
28
8
8
12
2500
2500
2500
2000
2000
3000
3000
4000
4000
5000
5000
2000
2000
4000
5500
5000
3000
12000
5000
5000
3000
3000
3000
5500
6000
3000
94
94
94
94
94
94
94
94
94
94
94
94
94
94
94
97
94
94
97
92
93
93
93
94
94
94
500
500
1200
850
850
500
500
500
500
500
500
850
850
630
630
130
500
600

800

1000
130
Adj
200~2500
340
340
340
630
630
500
250
250
250
250
250
250
250
400
400
400
400
250
250
600
600
1000
150
300
1000
100
1200
1200
1200
600
600
150
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
N/A
3
1
NA
1
2
2
2
1
1
3
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
SOT-563
SOT-563
TSOT-23-6
SOT-23-6
SOT-23-6
SOT-563
TSOT-23-6
SOT-563
TSOT-23-6
TSOT-23-6
TSOT-23-6
TSOT-23-6
TSOT-23-6
SOT-23-6
SOT-23-6
SOP-8 (EP)
SOP-8 (EP)
TDFN-10 (5x6)
TSOT-23-6
TQFN-21 3x4
TDFN-10 (5x6)
SOP-8 (EP)
TDFN-10 (3×3)
SOP-8 (EP)
SOP-8 (EP)
SOP-8 (EP)
TDFN-10 (3x3)
SOP-8 (EP)
TSOT-23-6
Display IC
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Subsidiary Products
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