MIC2178(1999) Ver la hoja de datos (PDF) - Micrel

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MIC2178
(Rev.:1999)

2.5A Synchronous Buck Regulator

Micrel 

MIC2178

Symbol

Parameter

Condition

Enable Threshold

IEN

Enable Leakage

PWM Threshold

VEN = 0V to 5.5V

IPWM

PWM Leakage

PWRGD Threshold

VPWM = 0V to 5.5V

MIC2178 [adj.]: measured at FB pin

MIC2178-5.0: measured at FB pin

MIC2178-3.3: measured at FB pin

PWRGD Output Low

PWRGD Off Leakage

ISINK = 1.0mA

VPWRGD = 5.5V

General Note: Devices are ESD sensitive. Handling precautions recommended.

Micrel

Min Typ Max Units

0.8

1.6

2.2

V

–1 0.01

1

µA

0.6

1.1

1.4

V

–1 0.01

1

µA

1.09 1.13 1.17

V

4.33 4.54 4.75

V

2.87 3.00 3.13

V

0.25 0.4

V

0.01

1

µA

MIC2178

4

June 1998

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