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RT8223P Datasheet(PDF) 13 Page - Richtek Technology Corporation

Part # RT8223P
Description  High Efficiency, Main Power Supply Controller for Notebook Computer
PDF  23 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8223P Datasheet(HTML) 13 Page - Richtek Technology Corporation

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RT8223P
13
DS8223P-01
June 2011
www.richtek.com
Reference Voltage vs. Temperature
1.984
1.987
1.990
1.993
1.996
1.999
2.002
2.005
2.008
2.011
-50
-25
0
25
50
75
100
125
Temperature (
°C)
VIN = 12V, VENTRIP1 = VENTRIP2 = 5V,
EN = FLOATING, TONSEL = GND
Time (400
μs/Div)
REF
(2V/Div)
EN
(2V/Div)
EN = FLOATING, VENTRIP1 = VENTRIP2 = 5V
VREG5, VREG3 and REF Start Up
No Load, VIN = 12V, TONSEL = GND,
VREG5
(5V/Div)
VREG3
(2V/Div)
Standby Input Current vs. Input Voltage
240
241
242
243
244
245
246
247
248
249
250
7 8
9 101112 131415 161718 192021 22 2324
Input Voltage (V)
No Load,
EN = FLOATING, VENTRIP1 = VENTRIP2 = 5V
Shutdown Input Current vs. Input Voltage
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
7 8
9 1011 121314 1516 171819 202122 2324
Input Voltage (V)
No Load, EN = GND, VENTRIP1 = VENTRIP2 = 5V
Power On From ENC
Time (1ms/Div)
ENC
(5V/Div)
VOUT1
(5V/Div)
PGOOD
(5V/Div)
No Load
VIN = 12V, TONSEL = GND,
SKIPSEL = REF, EN = FLOATING,
VENTRIP1 = VENTRIP2 = 1.5V, VENC = 5V
VOUT2
(2V/Div)
Power Off From ENC
Time (4ms/Div)
No Load
ENC
(5V/Div)
VOUT1
(5V/Div)
PGOOD
(5V/Div)
VOUT2
(2V/Div)
VIN = 12V, TONSEL = GND,
SKIPSEL = REF, EN = FLOATING,
VENTRIP1 = VENTRIP2 = 1.5V, VENC = 5V



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