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XC9258 Datasheet(PDF) 21 Page - Torex Semiconductor

Part # XC9258
Description  COT Control, 1.0A Synchronous Step-Down DC/DC Converters
PDF  27 Pages
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9258 Datasheet(HTML) 21 Page - Torex Semiconductor

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XC9257/XC9258
Series
■
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(8) Oscillation Frequency vs. Ambient Temperature (Continued)
(9) Pch Driver ON Resistance vs. Ambient Temperature
100
150
200
250
300
350
400
450
500
-50
-25
0
25
50
75
100
125
Ambient Temperature: Ta (℃)
XC9257A08E
VIN = 5.0V
VIN = 3.7V
VIN = 2.5V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
200
400
600
800
1000
Output Current: IOUT (mA)
XC9257A33C
VIN = 4.2V
VIN = 5.0V,5.5V
L = LTF5022T-4R7N2R0-LC(4.7μH)
CIN = 10μF(GRM155R61A106M) CL = 10μF(GRM155R61A106M)
(10) Nch Driver ON Resistance vs. Ambient Temperature
(11) LxSW ”L” Leakage Current vs. Ambient Temperature
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
-50
-25
0
25
50
75
100
125
Ambient Temperature : Ta (℃)
XC9257A08E
100
150
200
250
300
350
400
-50
-25
0
255075
100
125
Ambient Temperature: Ta (℃)
XC9257A08E
VIN = 5.0V
VIN = 3.7V
VIN = 2.5V
VIN = 5.5V
(12) LxSW ”H” Leakage Current vs. Ambient Temperature
(13) CE ”H” Voltage vs. Ambient Temperature
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
-50
-25
0
25
50
75
100
125
Ambient Temperature: Ta (℃)
XC9257B08E
VIN = 5.0V
VIN = 3.7V
VIN = 2.5V
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
-50
-25
0
25
50
75
100
125
Ambient Temperature : Ta (℃)
XC9257A08E
VIN = 5.5V



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