參數(shù)資料
型號: UC3550-50-AF5-R
廠商: 友順科技股份有限公司
英文描述: PWM CONTROLLED,PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER
中文描述: PWM控制,PWM / PFM切換升壓型DC - DC控制器
文件頁數(shù): 6/10頁
文件大小: 203K
代理商: UC3550-50-AF5-R
UC3550
CMOS
IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R502-082,A
6 of 10
T Y PICAL S T EP-UP CONV ERT ER APPLICAT ION
CE
1
OUT
NC
3
EXT
5
GND
4
V
OUT
V
IN
2
UTC
UC3550
10uF
220uF
Step-up Converter using external MOSFET
10uH
CE
1
OUT
NC
3
EXT
5
GND
4
V
OUT
V
IN
2
UTC
UC3550
Cb 3000P
Rb 560
10uF
220uF
Step-up Converter using external NPN
10uH
0.1
μ
0.1
μ
Recommended components
NmosTr
XP161A0390PR/ (Torex) or NTGS3446T1
L
10Uh(sunida CD54 fosc
SD
MA737, or MBRM110L
Cin
10V 10uF (tantalum)
CL
16V220uF (tantalum)
NPN Tr type
Tr
2SD1628(Sanyo)
Rb
500
1000
(Adjust according to load and Tr. h
FE
levels)
Cb
3000p
ceramic type
ON SEMI
300kHz)
MMJT9410
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