MCP19111 PMBus™
PROTOCOL-ENABLED POL
CONVERTER REFERENCE DESIGN
USER’S GUIDE
2015 Microchip Technology Inc.
DS50002379A-page 25
Chapter 4. Typical Performance Data, Curves and Waveforms
This chapter shows examples of the parameters used for converter and performance
curves, and waveforms.
FIGURE 4-1:
Efficiency.
TABLE 4-1:
CONVERTER PARAMETERS
Parameter
Value
Comments
Input Voltage Range (V)
8-14
—
Output Voltage (V)
1.2
±2.5% Tolerance
Maximum Output Current (A)
20
Steady-State Output Current
Output Voltage Ripple (mV)
<30
V
IN
= 12V, I
OUT
= 20A
Input Voltage Ripple (mV)
<400
V
IN
= 12V, I
OUT
= 20A
Output Voltage Overshoot during Step Load (mV)
<30
Step Load 5A to 15A
Switching Frequency (kHz)
Typical 570 kHz
—
60
65
70
75
80
85
90
95
0
5
10
15
20
Efficiency
(%
)
I
OUT
(A)
Vin=8V
Vin=12V
Vin=14V
V
IN
= 12V
V
IN
= 14V
V
IN
= 8V