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MIC2185 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC2185
Description  Low Voltage Synchronous Boost PWM Control IC
PDF  15 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2185 Datasheet(HTML) 5 Page - Micrel Semiconductor

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October 2005
5
MIC2185
MIC2185
Micrel, Inc.
Typical Characteristics
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
Quiescent Current vs.
Temperature (SKIP Mode)
VINA = 5VDC
VINP = 12VDC
IQ = IQVINA+IQVINP
4.30
4.35
4.40
4.45
4.50
4.55
4.60
4.65
4.70
4.75
TEMPERATURE (°C)
Quiescent Current vs.
Temperature (PWM Mode)
VINA = 5VDC
VINP = 12VDC
fS = 400kHz
IQ = IQVINA+IQVINP
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
2
4
6
8 10 12 14 16
INPUT VOLTAGE (VINA)
Quiescent Current vs.
Input Voltage(PWM Mode)
400kHz
200kHz
VINP =12VDC
IQ = IQVINA+IQVINP
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
2
4
6
8 10 12 14 16
INPUT VOLTAGE (VINA)
Quiescent Current vs.
Input Voltage( PWM Mode)
VINP = 5V
VINP = 9V
VINP = 12V
IQ = IQVINA + IQVINP
fS = 400kHz
0.55
0.60
0.65
0.70
0.75
0.80
0
2
4
6
8 10 12 14 16
INPUT VOLTAGE (VINA)
Quiescent Current vs.
Input Voltage (SKIP Mode)
VINP = 5VDC
VINP = 9VDC
VINP = 12VDC
1.245
1.2455
1.246
1.2465
1.247
1.2475
0
2
4
6
8 10 12 14 16
INPUT VOLTAGE (VINA)
Reference Voltage
vs. Input Voltage
VINP = 12VDC
1.2460
1.2461
1.2462
1.2463
1.2464
1.2465
1.2466
1.2467
1.2468
1.2469
1.2470
0 10 20 30 40 50 60 70 80 90 100
REFERENCE CURRENT(µA)
Reference Voltage
vs. Reference Current
VINP = 12VDC
VINA = 5VDC
1.237
1.239
1.241
1.243
1.245
1.247
1.249
1.251
1.253
1.255
1.257
-40 -20 0 20 40 60 80 100120140
TEMPERATURE(°C)
Reference Voltage
vs. Temperature
VINP = 12VDC
VINA = 5VDC
2.80
2.85
2.90
2.95
3.00
3.05
3.10
3.15
0
2
4
6
8
10 12 14
INPUT VOLTAGE (VINA)
VDD vs.
Input Voltage
VINP = 12VDC
3.010
3.015
3.020
3.025
3.030
3.035
3.040
0 0.10.20.30.40.50.60.70.80.91.0
IVDD (mA)
VDD vs.
Load Current
VINP = 12VDC
VINA = 5VDC
2.98
2.99
3.00
3.01
3.02
3.03
3.04
3.05
3.06
3.07
3.08
TEMPERATURE (°C)
VDD vs.
Temperature
VINP = 12VDC
VINA = 5VDC
0
50
100
150
200
250
300
0
2
4
6
8
10 12 14
VENABLE (V)
IENABLE vs. VENABLE
VINP = 12VDC
VINA = 5VDC
85°C
–40°C
20°C



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