MIC2178-5.0BWM Micrel Inc, MIC2178-5.0BWM Datasheet - Page 5

• Manufacturer Part Number: MIC2178-5.0BWM
• Description: IC REG SYNCBCK 2.5A 5.0V 20SOIC
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC2178-5.0BWM

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 2.5A
• Frequency - Switching: 200kHz
• Voltage - Input: 4.5 ~ 16.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

Typical Characteristics
March 2005
MIC2178
5.030
5.020
5.010
5.000
4.990
4.980
4.970
205
200
195
190
185
180
175
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
12
10
8
6
4
2
0
-60 -30
-60 -30
-60 -30
2
MIC2178-5.0
SWITCHING
Oscillator Frequency
4
OUTPUT
Reference Voltage
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
vs. Temperature
INPUT VOLTAGE (V)
Supply Current
6
Current Limit
0
0
0
PWM-Mode
8 10 12 14 16 18
30 60 90 120 150
30 60 90 120 150
30 60 90 120 150
1.252
1.250
1.248
1.246
1.244
1.242
1.240
1.238
19.0
18.5
18.0
17.5
17.0
16.5
16.0
250
200
150
100
100
50
95
90
85
80
75
70
65
60
0
-60 -30
-60 -30
10
2
MIC2178 [adj.]
V
IN
4
Error-Amplifier Gain
OUTPUT CURRENT (mA)
Reference Voltage
= 5V
TEMPERATURE (°C)
TEMPERATURE (°C)
High-Side Switch
vs. Temperature
vs. Temperature
INPUT VOLTAGE (V)
On-Resistance
6
0
0
3.3V Output
Efficiency
8 10 12 14 16 18
100
30
30
5
60 90 120 150
60 90 120 150
PWM
SKIP
12V
8V
125°C
1000 2500
85°C
25°C
0°C
3.320
3.315
3.310
3.305
3.300
3.295
3.290
3.285
3.280
120
100
350
300
250
200
150
100
100
80
60
40
20
50
95
90
85
80
75
70
0
0
-60 -30
-60 -30
Feedback Input Bias Current
10
2
MIC2178-3.3
4
V
OUTPUT CURRENT (mA)
Reference Voltage
IN
TEMPERATURE (°C)
TEMPERATURE (°C)
Low-Side Switch
vs. Temperature
vs. Temperature
INPUT VOLTAGE (V)
On-Resistance
6
= 6V
0
0
5V Output
Efficiency
8 10 12 14 16 18
100
30
30
60 90 120 150
60 90 120 150
PWM
12V
SKIP
8V
125°C
1000 2500
85°C
25°C
M9999-031805
0°C
Micrel, Inc.