MIC2169A_09 Datasheet, PDF (4/15 Pages) Micrel Semiconductor – 500kHz PWM Synchronous Buck Control IC

MIC2169A
Micrel
Electrical Characteristics⁽⁵⁾
Parameter
Condition
Min Typ Max
Error Amplifier
DC Gain
70
Transconductance
1
Soft-Start
Soft-Start Current
After timeout of internal timer. See “Soft-Start” section.
8.5
Current Sense
CS Over Current Trip Point
V_CS = V_IN –0.25V
Temperature Coefficient
ppm/°C
160 200 240
+1800
Output Fault Correction Thresholds
Upper Threshold, V_{FB_OVT}
Lower Threshold, V_{FB_UVT}
Gate Drivers
(relative to V_FB)
(relative to V_FB)
+3
–3
Rise/Fall Time
Output Driver Impedance
Driver Non-Overlap Time
Into 3000pF at V_IN > 5V
30
Source, V_IN = 5V
6
Sink, V_IN = 5V
6
Source, V_IN = 3V
10
Sink, V_IN = 3V
10
Note 6
10
20
Notes:
5. Specification for packaged product only.
6. Guaranteed by design.
Units
dB
ms
µA
µA
%
%
ns
Ω
Ω
Ω
Ω
ns
M9999-040609
4
April 2009