MIC2171WU Micrel Inc, MIC2171WU Datasheet - Page 4

• Manufacturer Part Number: MIC2171WU
• Description: IC REG SW 100KHZ 2.5A TO263-5
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, Cukr

Specifications of MIC2171WU

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 2.5A
• Frequency - Switching: 100kHz
• Voltage - Input: 3 ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Power - Output: 1.3W
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Switching Freq: 112KHz
• Operating Supply Voltage (max): 40V
• Output Current: 2.5A
• Output Voltage: 65V
• Synchronous Pin: No
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 5 +Tab
• Package Type: TO-263
• Duty Cycle: 95%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1063

Typical Characteristics
Micrel, Inc.
May 2007
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
2.9
2.8
2.7
2.6
2.5
2.4
2.3
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
15
14
13
12
11
10
0
-100
-100
9
8
7
6
5
0
0
T
Switch Current = 2A
J
Error Amplifier Gain
Switch On-Voltage
= –40°C
V
-50
-50
Operating Voltage
IN
D.C . = 50%
Switch Current (A)
Supply Current
D.C . = 90%
10
Temperature (°C)
D.C . = 0%
Temperature(°C)
Operating Voltage (V)
T
1
J
Minimum
= 25°C
0
0
20
50
50
T
J
2
= 125°C
I S W = 0
30
100
100
150
150
40
3
800
700
600
500
400
300
200
100
120
110
100
50
40
30
20
10
7000
6000
5000
4000
3000
2000
1000
90
80
70
60
0
-100
0
-50
0
0
1
Feedback Bias Current
Oscillator Frequency
-50
Error Amplifier Gain
Supply Current
Switch Current (A)
1
0
Temperature (°C)
Temperature(°C)
10
δ = 90%
Frequency (kHz)
0
2
50
100
4
50
δ = 50%
100
3
1000
100
150
150
10000
4
120
150
180
210
-30
10
30
60
90
-1
-2
-3
-4
-5
-100
9
8
7
6
5
4
3
2
1
0
0
5
4
3
2
1
0
0
1
8
6
4
2
0
0
V
Error Amplifier Phase
C OMP
–40°C
-50
Feedback Voltage
Line Regulation
Supply Current
20
10
10
T
Temperature(°C)
V
J
= 0.6V
Frequency (kHz)
IN
Current Limit
125°C
= -40°C
Duty Cycle (%)
Operating (V)
0
40
25°C
100
20
T
J
50
= 125°C
60
T J = 25°C
M9999-051107
1000
30
100
80
MIC2171
10000
150
40
100