SC173AEVB View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC173AEVB

3A EcoSpeed™ Synchronous Step-Down Regulator with Automatic Power Save

Semtech Corporation 

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SC173A

Electrical Characteristics (continued)

Unless specified: VIN =5V, TA=+25°C for Typ, -40°C to +85°C for Min and Max, TJ < 125°C

Parameter

Symbol

Conditions

Power Good

Min

Typ

Max Units

Power Good Threshold

Power Good Signal Threshold High

116

120

124

%VOUT

Power Good Signal Threshold Low

86

90

93

PGOOD Delay Time(1)

Noise Immunity Delay Time

Leakage

Power Good On-Resistance

Fault Protection

Output Under-Voltage Fault

VDD=3V

VDD=5V

FB with Respect to REF,

8 Consecutive Clocks

1

ms

2

5

µs

1

µA

10

20

Ω

-30

-25

-20

%

Output Over-Voltage Fault

FB with Respect to REF

+16

+20

+24

%

Smart PowerSave

Protection Threshold

OV, UV Fault Noise Immunity Delay

Over-Temperature Shutdown

Enable

Output Enabled

Output Disabled

EN Input Bias Current

Enable Pin Floating Voltage

FB with Respect to REF

OT Latched

EN = VDD or 0V

EN floating

+7

+10

+13

%

5

μs

150

°C

1

V

0.4

V

0.5

8.0

μA

39

41

44

%VDD

© 2010 Semtech Corporation



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