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RT8128CGSP Datasheet(PDF) 7 Page - Richtek Technology Corporation

Part # RT8128CGSP
Description  High Efficiency Synchronous Buck PWM Controller
PDF  15 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8128CGSP Datasheet(HTML) 7 Page - Richtek Technology Corporation

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RT8128A/C
7
DS8128A/C-03
March 2016
www.richtek.com
©
Copyright
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Operating Characteristics
TON vs. Temperature
360
380
400
420
440
460
480
500
-50
-25
0
25
50
75
100
125
Temperature (°C)
VIN = VCC = 12V, VOUT = 1.5V, No Load
Output Voltage vs. Temperature
1.45
1.46
1.47
1.48
1.49
1.50
1.51
1.52
1.53
1.54
-50
-25
0
25
50
75
100
125
Temperature (°C)
VIN = VCC = 12V, No Load
Power On from EN
Time (2ms/Div)
PGOOD
(10V/Div)
EN
(5V/Div)
VIN = VCC = 12V, IOUT = 50mA
VOUT
(1V/Div)
UGATE
(20V/Div)
RT8128A
Frequency vs. Load Current
0
50
100
150
200
250
300
350
400
450
02
46
8
10
12
14
16
18
20
Load Current (A)
VIN = VCC = 12V, VOUT = 1.5V
RT8128C
RT8128A
Efficiency vs. Load Current
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
Load Current (A)
RT8128A
RT8128C
VIN = VCC = 12V, VOUT = 1.5V
Output Voltage vs. Load Current
1.45
1.46
1.47
1.48
1.49
1.50
1.51
1.52
1.53
1.54
0
2
4
6
8
1012
1416
1820
Load Current (A)
VIN = VCC = 12V
RT8128C
RT8128A



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