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RT9907 Datasheet(PDF) 8 Page - Richtek Technology Corporation

Part # RT9907
Description  3 Channel DC/DC Converters IC with High-Efficiency Step-Up and Step-Down
PDF  19 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9907 Datasheet(HTML) 8 Page - Richtek Technology Corporation

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RT9907
8
DS9907-11 May 2014
www.richtek.com
©
Copyright 2014 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Operating Characteristics
Oscillator Ferquency vs. RRT
0
200
400
600
800
1000
1200
1400
1600
1800
0
100
200
300
400
500
600
RRT (kΩ)
Boost Efficiency vs. Output Current
50
60
70
80
90
100
1
10
100
1000
Output Current (mA)
VOUT = 3.3V
VIN
3V
2.5V
2V
1.8V
Boost
Time (1ms/Div)
Boost Load Transient Response
VIN = 1.8V, VOUT = 3.3V, @IOUT = 100mA to 400mA
(
°C)
Reference Voltage vs. Temperature
0.792
0.794
0.796
0.798
0.8
0.802
0.804
0.806
0.808
-50
-30
-10
103050
7090
Temperature
Boost Output Voltage vs. VDD1 Voltage
3.305
3.31
3.315
3.32
3.325
3.33
3.335
3.34
3.345
1.52
2.533.54
4.55
5.5
VDD1 Voltage (V)
VBAT = 2.5V, VDDM = 3.3V, IOUT = 250mA
Boost Output Voltage vs. VDDM Voltage
3.316
3.318
3.32
3.322
3.324
3.326
3.328
3.33
3.332
2.4
2.8
3.2
3.6
4
4.4
4.8
5.2
5.6
VDDM Voltage (V)
VBAT = 2.5V, VDD1 = 3.3V, IOUT = 250mA



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