XC9270 Datasheet, PDF (20/27 Pages) Torex Semiconductor – 30V Driver Transistor Built-In Step-Down DC/DC Converters

XC9270/XC9271 Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(3) Ripple Voltage vs. Output Current
XC9270x083/XC9271x083
(V_IN=12V , V_OUT=5V)
XC9270x085/XC9271x085
(V_IN=12V , V_OUT=5V)
L=22μH(CLF12555-220M), CIN1=10μF(GRM32ER71H106KA12L),
SBD=CMS15, CL=22μF×2(GRM32ER71E226KE15L)
50
45
XC 9 2 71
40
XC 9 2 70
35
30
25
20
15
10
5
0
0.1
1
10
100
1000
10000
Output Current :I_OUT[mA]
L=15μH(CLF12555-150M), CIN1=10μF(GRM32ER71H106KA12L),
SBD=CMS15, CL=22μF×2(GRM32ER71E226KE15L)
50
45
XC 9 2 71
40
XC 9 2 70
35
30
25
20
15
10
5
0
0.1
1
10
100
1000
10000
Output Current :I_OUT[mA]
(4) FB Voltage vs. Ambient Temperature
0.812
0.810
0.808
0.806
0.804
0.802
0.800
0.798
0.796
0.794
0.792
0.790
0.788
-50
XC9270/XC9271
VIN=12V
-25
0
25
50
75
100 125
Ambient Temperature :Ta[℃]
(5) UVLO Voltage vs. Ambient Temperature
XC9270/XC9271
5.6
D et e ct io n
5.4
R el ea se
5.2
5.0
4.8
4.6
4.4
4.2
-50 -25
0
25
50
75
100 125
Ambient Temperature :Ta[℃]
(6) Oscillation Frequency vs. Ambient Temperature
350
340
330
320
310
300
290
280
270
260
250
-50
XC9270x083/XC9271x083
VIN=12V
-25
0
25
50
75
100 125
Ambient Temperature :Ta[℃]
550
540
530
520
510
500
490
480
470
460
450
-50
XC9270x085/XC9271x085
VIN=12V
-25
0
25
50
75
100 125
Ambient Temperature :Ta[℃]
(7) Supply Current vs . Am bient Tem perature
XC9270x083/XC9271x083
VIN=30V
600
500
400
300
200
100
0
-50 -25
0
25
50
75
100 125
Ambient Temperature :Ta[℃]
20/27
XC9270x085/XC9271x085
VIN=30V
600
500
400
300
200
100
0
-50 -25
0
25
50
75
100 125
Ambient Temperature :Ta[℃]