MIC2182 Micrel Semiconductor, MIC2182 Datasheet - Page 24

• Manufacturer Part Number: MIC2182
• Description: High-Efficiency Synchronous Buck Controller Final Information
• Manufacturer: Micrel Semiconductor

MIC2182
Power Supply Operating Characteristics
MIC2182
Normal (300kHz Switching Frequency) and
Effect of Soft-Start Capacitor (C
Output Short-Circuit (60kHz) Conditions
(10A Power Supply Configuration)
Switch Node (Pin 15) Waveforms
Typical Skip-Mode Waveforms
On Output Voltage Waveforms
During Turn-On
SS
) Value
24
Effect of Soft-Start Capacitor (C
GATE-TO-SOURCE VOLTAGE
GATE-TO-SOURCE VOLTAGE
REFERENCED TO GROUND
HIGH-SIDE MOSFET
LOW-SIDE MOSFET
(4A Power Supply Configuration)
SWITCH-NODE
DRIVE VOLTAGE
Typical PWM-Mode Waveforms
On Output Voltage Waveforms
HIGH-SIDE
VOLTAGE
Converter Waveforms
INDUCTOR CURRENT
During Turn-On
SS
) Value
June 2000
V
L1 = 3.3 H
V
I
QTY: 2
Si4884
HIGH-SIDE
MOSFETS
QTY: 2
Si4884
LOW-SIDE
MOSFETS
10Amps
OUT
IN
OUT
= 7V
= 10A
Micrel
= 3.3V