RT8223L 데이터 시트보기 (PDF) - Richtek Technology
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RT8223L Datasheet PDF : 24 Pages
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RT8223L/M
Standby Input Current vs. Input Voltage
250
249
248
247
246
245
244
243
242
241
No Load,
EN = FLOATING, VENTRIP1 = VENTRIP2 = 5V
240
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Input Voltage (V)
Shutdown Input Current vs. Input Voltage
22
21
20
19
18
17
16
15
14
13
12
11
10
9
No Load, EN = GND, VENTRIP1 = VENTRIP2 = 5V
8
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Input Voltage (V)
Reference Voltage vs. Temperature
2.011
2.008
2.005
2.002
1.999
1.996
1.993
1.990
1.987
1.984
-50 -25
VIN = 12V, VENTRIP1 = VENTRIP2 = 5V,
EN = FLOATING, TONSEL = GND
0
25 50 75
Temperature (°C)
100 125
Power On From ENC (8223M)
VOUT1
(5V/Div)
VOUT2
(2V/Div)
No Load
PGOOD
(5V/Div)
ENC
(5V/Div)
VIN = 12V, TONSEL = GND,
SKIPSEL = REF, EN = FLOATING,
VENTRIP1 = VENTRIP2 = 1.5V, VENC = 5V
Time (1ms/Div)
VREG5, VREG3 and REF Start Up
VREG5
(5V/Div)
VREG3
(2V/Div)
REF
(2V/Div)
EN
(2V/Div)
No Load, VIN = 12V, TONSEL = GND,
EN = FLOATING, VENTRIP1 = VENTRIP2 = 5V
Time (400μs/Div)
Power Off From ENC (8223M)
VOUT1
(5V/Div)
VOUT2
(2V/Div)
No Load
PGOOD
(5V/Div)
ENC
(5V/Div)
VIN = 12V, TONSEL = GND,
SKIPSEL = REF, EN = FLOATING,
VENTRIP1 = VENTRIP2 = 1.5V, VENC = 5V
Time (4ms/Div)
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14
DS8223L/M-04 April 2011
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