MIC2230 Datasheet, PDF (5/18 Pages) Micrel Semiconductor – Dual Synchronous DC/DC Regulator

Micrel, Inc.
MIC2230
Electrical Characteristics (cont.)⁽⁴⁾
Parameter
Protection
Current Limit
Control
Condition
Peak Switch Current, V_OUT = 0V
Maximum Duty Cycle
Oscillator
V_FB = 0.7V
PWM Mode Frequency
Power Good
Power Good Reset
Threshold
PGOOD Series
Resistance
Upper Threshold
Lower Threshold
PGOOD Pull-Up Current Output within 8.5% of regulation
Power Switch
Switch On-Resistance
I_SW = 150mA (PFET)
I_SW = 150mA (NFET)
Min Typ Max Units
0.9
1.2
1.8
A
100
%
2.125 2.5 2.875 MHz
6.25
12
-14 -8.5
%
1
1.4
kΩ
5
µA
0.4
Ω
0.35
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.
4. Specification for packaged product only.
April 2010
5
M9999-040810-C