MIC2169MM Ver la hoja de datos (PDF) - Micrel

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componentes Descripción

Fabricante

MIC2169MM

500kHz PWM Synchronous Buck Control IC

Micrel 

MIC2169

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

VCS = VIN –0.25V

Output Fault Correction Thresholds

Upper Threshold, VFB_OVT

Lower Threshold, VFB_UVT

Gate Drivers

(relative to VFB)

(relative to VFB)

Rise/Fall Time

Output Driver Impedance

Driver Non-Overlap Time

Into 3000pF at VIN > 5V

Source, VIN = 5V

Sink, VIN = 5V

Source, VIN = 3V

Sink, VIN = 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

ppm/°C

+3

%

–3

%

30

ns

6

Ω

6

Ω

10

Ω

10

Ω

10

20

ns

M9999-111803

4

November 2003

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