MIC2202 Datasheet, PDF (4/18 Pages) Micrel Semiconductor – HIGH EFFICIENCY 2MHZ SYNCHRONOUS BUCK CONVERTER 1UP STABLE PWM REGULATOR

MIC2202
Typical Characteristics
0.5050
Output Voltage
vs. Output Current
0.5025
0.5000
0.4975
0.49500
0.1 0.2 0.3 0.4 0.5
OUTPUT CURRENT (A)
2.320
Bias Supply
vs. Temperature
2.318
2.316
2.314
2.312
2.31
2.308
2.306
2.304
2.302-40 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Frequency
vs. Temperature
2.40
2.30
2.20
2.10
2.00
1.90
1.80
1.70
1.60-40 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
0.515
Output Voltage
vs. Temperature
0.510
0.505
0.500
0.495
0.490
0.485-40 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
350
300
250
200
150
100
50
00
Quiescent Current
vs. Supply Voltage
V_FB = 0V
123456
SUPPLY VOLTAGE (V)
Enable Threshold
vs. Supply Voltage
1.0
0.9
0.8
Enable On
0.7
0.6
Enable Off
0.5
0.4
0.3
0.2
0.1
0
2.3 2.8 3.3 3.8 4.3 4.8 5.3
SUPPLY VOLTAGE (V)
Micrel
V_BIAS
vs. Supply Voltage
2.5
2.0
1.5
1.0
0.5
V_FB = 0V
00
2
4
6
SUPPLY VOLTAGE (V)
Quiescent Current
vs. Temperature
354
352
350
348
346
344
342
340
338
336
334
V_IN = 3.6V
332-40 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Enable Threshold
vs. Temperature
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
3.6V_IN
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
M9999-052104
4
May 2004