XR77103 Datasheet, PDF (9/28 Pages) Exar Corporation – 3-Output Programmable Buck Regulator

Typical Performance Characteristics
All data taken at T_A = 25°C unless otherwise specified.
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
0
0.4
0.8
1.2
1.6
2
IOUT (A)
Figure 3. Load Regulation 12V_IN,
3.3V_OUT, f_SW = 1MHz
XR77103
Enable
Channel 3
Channel 2
Channel 1
Figure 4. Power-up Sequence with Delay
VOUT AC 20MHz
-132.0mV
IOUT
Di/Dt ≥ 2.5A/μs
148.0mV
Figure 5. 12V_IN, 3.3V_OUT, f_SW = 500kHz
Transient Response, 0.5A to 1.0A
VOUT AC 20MHz
-66.0mV
IOUT
Di/Dt ≥ 2.5A/μs
68.0mV
Figure 6. 5V_IN, 1.8V_OUT, f_SW = 500kHz
Transient Response, 0.5A to 1.0A
VOUT AC 20MHz
-164.0mV
IOUT
Di/Dt ≥ 2.5A/μs
176.0mV
Figure 7. 12V_IN, 5.0V_OUT, f_SW = 1MHz
Transient Response, 0.5A to 1.0A
REV1B
VOUT AC 20MHz
-120.0mV
IOUT
Di/Dt ≥ 2.5A/μs
132.0mV
Figure 8. 5V_IN, 3.3V_OUT, f_SW = 1MHz
Transient Response, 0.5A to 1.0A
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