MIC2182YM Micrel Inc, MIC2182YM Datasheet - Page 25

• Manufacturer Part Number: MIC2182YM
• Description: IC,SMPS CONTROLLER,CURRENT-MODE,BICMOS,SOP,16PIN,PLASTIC
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC2182YM

• Rohs Compliant: YES
• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 6 V
• Current - Output: 20A
• Frequency - Switching: 300kHz
• Voltage - Input: 4.5 ~ 32 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: Yes
• Topology: Boost/Buck
• Switching Freq: 330KHz
• Operating Supply Voltage (max): 32V
• Output Current: 20mA
• Output Voltage: 1.25 to 6V
• 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: Lead free / RoHS Compliant
• Other names: 576-1068

April 22, 2004
MIC2182
100
100
(4A Power Supply Configuration)
(4A Power Supply Configuration)
-20
-40
80
60
40
20
80
60
40
20
0.01
0
0
Skip
V
R2 = 15m
L1 = 10 H
1 high-side MOSFET: Si4800
1 low-side MOSFET: Si4800
IN
OUTPUT CURRENT (A)
= 12V
(4A Power Supply Configuration)
FREQUENCY (Hz)
12V Efficiency
Bode Plot
Load Transient Response
0.1
GAIN
and Bode Plot
PHASE
1
PWM
4
210
180
150
120
90
60
30
0
100
100
(4A Power Supply Configuration)
(4A Power Supply Configuration)
V
V
L1 = 10 H
R2 = 20m
80
60
40
20
80
60
40
20
0.01
0.01
IN
OUT
0
0
= 12V
Skip
Skip
V
R2 = 15m
L1 = 10 H
1 high-side MOSFET: Si4800
1 low-side MOSFET: Si4800
V
R2 = 15m
L1 = 10 H
1 high-side MOSFET: Si4800
1 low-side MOSFET: Si4800
= 3.3V
IN
IN
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
= 5V
= 24V
24V Efficiency
5V Efficiency
0.1
0.1
25
1
1
PWM
PWM
4
4
(10A Power Supply Configuration)
Load Transient Response
and Bode Plot
(10A Power Supply Configuration)
(10A Power Supply Configuration)
100
100
-20
-40
80
60
40
20
80
60
40
20
0.01
0
0
Skip
R2 = 7.5m
L1 = 3.3 H
2 high-side MOSFETs: Si4884
2 low-side MOSFETs: Si4884
OUTPUT CURRENT (A)
FREQUENCY (Hz)
0.1
Bode Plot
Efficiency
PHASE
PWM
GAIN
1
M9999-042204
V
V
L1 = 3.3 H
R2 = 7.5m
IN
OUT
10
= 6V
210
180
150
120
90
60
30
0
= 3.3V
Micrel