MIC22200 Datasheet, PDF (5/22 Pages) Micrel Semiconductor – 2A Integrated Switch Synchronous Buck Regulator with Frequency Programmable from 800kHz to 4MHz

Micrel, Inc.
Typical Characteristics
Shutdown Current
vs. Input Voltage
10
8
6
4
2
T_A = 25°C
20.5 3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
Quiscent Current
vs. Temperature
1300
1250
1200
1150
1100
1050
1000
V_IN = 3.3V
No Switching
FB = 0.9V
T_A = 25°C
02 55 07 5 100 125
TEMPERATURE (°C)
Enable Voltage
vs. Temperature
1.3
1.26
1.22
1.18
1.14
V_IN = 3.3V
1.1
02 55 07 5 100 125
TEMPERATURE (°C)
Shutdown Current
vs. Temperature
10
8
6
4
2
0
02 55 07 5 100 125
TEMPERATURE (°C)
Reference Voltage
vs. Input Voltage
0.71
0.705
0.7
0.695
T_A = 25°C
0.629.5 _{3 3.5 4 4.5 5 5.5}
INPUT VOLTAGE (V)
Enable Hysterisis
vs. Temperature
16
15
14
13
12
11
10
9
V_IN = 3.3V
8
02 55 07 5 100 125
TEMPERATURE (°C)
MIC22200
Quiescent Current
vs. Input Voltage
1600
1500
1400
1300
1200
1100
10020.5
No Switching
FB = 0.9V
T_A = 25°C
3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
Reference Voltage
vs. Temperature
0.71
0.705
0.7
0.695
0.69
1100
1075
1050
1025
1000
975
950
V_IN = 3.3V
02 55 07 5 100 125
TEMPERATURE (°C)
Frequency
vs. Temperature
C_F = 220pF
V_IN = 3.3V
02 55 07 5 100 125
TEMPERATURE (°C)
December 2010
5
M9999-120310-C