CS5127 View Datasheet(PDF) - Cherry semiconductor

Part Name

Description

MFG CO.

CS5127

Dual Output Nonsynchronous Buck Controller with Sync Function and Second Channel Enable

Cherry semiconductor

'CS5127' PDF : 24 Pages View PDF

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Typical Performance Characteristics: continued
70
60
50
40
30
20
10
0
-10
-20
-30
1.00E +00 1.00E +01 1.00E +02
1.00E +03 1.00E +04 1.00E +05
Frequency (Hz)
1.00E +06
1.00E +07
Figure 31: Error Amplifier Gain vs Frequency.
225
180
135
90
45
0
-45
1.00E+00 1.00E+01 1.00E+02
1.00E+03 1.00E+04
Frequency (Hz)
1.00E+05 1.00E+06
1.00E+07
Figure 34: Error Amplifier Phase vs Frequency.
1.310
450
1.305
430
1.300
410
1.295
390
1.290
370
1.285
350
0
10
20
30
40
50
60
70
Temperature (C)
1.280
0
10
20
40
40
50
Temperature (C)
60
70
Figure 32: SYNC Input Current vs Temperature (VSYNC = 5V).
Figure 35: Error Amplifier Source Current vs Temperature.
0.105
0.90
0.103
0.85
0.101
0.80
0.099
0.75
0.097
0.095
0
10
20
30
40
50
60
70
Temperature (C)
0.70
0
10
20
30
40
50
Temperature (C)
60
70
Figure 33: VFB Bias Current vs Temperature.
Figure 36: Error Amplifier Output Low Voltage (500µA) vs
Temperature.
20

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