MIC2169A Datasheet, PDF (4/17 Pages) Micrel Semiconductor – 500kHz PWM Synchronous Buck Control IC

MIC2169A
Electrical Characteristics⁽⁵⁾
Parameter
Condition
Error Amplifier
DC Gain
Transconductance
Soft-Start
Soft-Start Current
After timeout of internal timer. See “Soft-Start” section.
Current Sense
CS Over Current Trip Point
Temperature Coefficient
ppm/°C
V_CS = V_IN –0.25V
Output Fault Correction Thresholds
Upper Threshold, V_{FB_OVT}
Lower Threshold, V_{FB_UVT}
Gate Drivers
(relative to V_FB)
(relative to V_FB)
Rise/Fall Time
Output Driver Impedance
Driver Non-Overlap Time
Into 3000pF at V_IN > 5V
Source, V_IN = 5V
Sink, V_IN = 5V
Source, V_IN = 3V
Sink, V_IN = 3V
Note 6
Notes:
5. Specification for packaged product only.
6. Guaranteed by design.
Micrel
Min Typ Max Units
70
dB
1
ms
8.5
µA
160 200 240
µA
+1800
+3
%
–3
%
30
ns
6
Ω
6
Ω
10
Ω
10
Ω
10
20
ns
M9999-111803
4
June 2005