MIC2253 Datasheet, PDF (5/13 Pages) Micrel Semiconductor – 3.5A 1MHz High Efficiency Boost Regulator with OVP and Softstart

Micrel, Inc.
Typical Characteristics (Continued)
Saturation Voltage
vs. Switch Current
450
400
350
300
250
200
150
100
50
0
0.0
VIN = 2.5V
T_A = 25°C
0.5 1.0 1.5 2.0 2.5 3.0 3.5
SWITCH CURRENT (A)
1.40
1.38
1.36
1.34
1.32
1.30
1.28
1.26
1.24
1.22
1.20
2.5
Enable T hreshold
vs. Input Voltage
V_OUT = 12V
IOUT = 20mA
L = 2.2µH
C = 22µF
4.0 5.5 7.0 8.5 10.0
INPUT VOLTAGE (V)
MIC2253
February 2010
5
M9999-021710-B