MIC2182-3.3YM Micrel Inc, MIC2182-3.3YM Datasheet - Page 24

• Manufacturer Part Number: MIC2182-3.3YM
• Description: IC CTRLR SYNC BUCK 3.3V 16-SOIC
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC2182-3.3YM

• Lead Free Status: Lead free
• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 20A
• Frequency - Switching: 300kHz
• Voltage - Input: 4.5 ~ 16.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Power - Output: 400mW
• Number Of Pwm Outputs: 1
• On/off Pin: Yes
• Adjustable Output: No
• Topology: Boost/Buck
• Switching Freq: 330KHz
• Operating Supply Voltage (max): 32V
• Output Current: 20mA
• Output Voltage: 3.3V
• Synchronous Pin: Yes
• Rise Time: 60ns
• Fall Time: 60ns
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: SOP N
• Duty Cycle: 86%
• Lead Free Status / RoHS Status: Compliant
• Other names: 576-1712-5; MIC2182-3.3YM

MIC2182
Power Supply Operating Characteristics
M9999-042204
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
April 22, 2004
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