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): 8/11頁(yè)
文件大?。?/td> 190K
代理商: UCC2945
8
UCC2941-3/-5/-ADJ
UCC3941-3/-5/-ADJ
Figure 8. Startup characteristics.
T
0
:
T
1
:
T
2
:
T
3
:
T
4
:
200kHz startup oscillator starts VGD rising.
VGD gets to a sufficient voltage (5V) to run IC in normal operating mode.
VGD has reached a sufficient voltage (7.5V) to get VOUT started.
VOUT is serviced and starting up.
VOUT has reached a sufficient voltage and VGD is serviced until it reaches = 8.5V
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
IOUT (mA)
E
VIN= 2V
VIN= 2.5V
VIN= 3V
Figure 7. UCC3941 Efficiency vs. I
OUT
, V
OUT
= 3.3V
0
10
20
30
40
50
60
70
80
90
0.1
1
10
100
IOUT (mA)
E
VIN = 1V
VIN = 1.25V
VIN = 1.5V
Figure 6. UCC3941 Efficiency vs. I
OUT
, V
OUT
= 3.3V
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