MIC2224 Datasheet, PDF (4/13 Pages) Micrel Semiconductor – High Efficiency 2MHz PWM Buck Converter with DAC Input and 40mOHM Bypass Switch

Micrel
MIC2224
Parameter
Bypass Switch
Bypass Switch Threshold
Bypass Switch Hysteresis
Bypass Transition Time
Bypass Switch On-Resistance
Bypass Switch Leakage
Bypass Over-Current Limit
Current Limit Retry Time
Current Limit Retry Duty Cycle
Over Temperature Shutdown
Shutdown Temperature
Over Temperature Shutdown
Hysteresis
Condition
DAC Voltage required to enable bypass mode
Delay from V_DAC = 1.2V to V_OUT = 0.90V_IN
V_IN = 3.0V, I_BYPASS = 100mA
V_DAC < 1.2V
Min Typ Max
1.176 1.2 1.224
35
10
40
5
1
1.4
2.5
32
12.5
160
20
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.
Units
V
mV
µs
mΩ
µA
A
µs
%
°C
°C
January 2005
4
M9999-012705
www.micrel.com