參數(shù)資料
型號(hào)： UCC2945
廠商： Electronic Theatre Controls, Inc.
英文描述： 1V Synchronous Boost Converter
中文描述： 1V的同步升壓轉(zhuǎn)換器
文件頁(yè)數(shù)： 9/11頁(yè)
文件大小： 190K
代理商： UCC2945
9
UCC2941-3/-5/-ADJ
UCC3941-3/-5/-ADJ
Figure 10. Pseudo continuous mode operation.
VOUT RIPPLE
20mV/DIV
I
INDUCTOR
CURRENT
0.2A/DIV
L = 22 H
C = 100 F
C
VGD
= 22 H
R
PL
= 6
V
IN
= 1.25
I
OUT
= 100mA
20 s/DIV
Figure 9. Dual output example.
APPLICATION INFORMATION (cont.)
T
1
:
T
2
:
T
3
:
T
4
:
T
5
:
VOUT is service and inductor current goes continuous.
VGD is serviced with discontinuous operation and reaches 1st threshold (7.5V).
VOUT requires servicing so since VGD has at least reached its first threshold of 7.5V the VOUT has priority.
VOUT is satisfied and VGD is serviced until 2nd threshold is reached.
Both outputs are satisfied.
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