SC172MLTRT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC172MLTRT

2A EcoSpeed™ Synchronous Step-Down Regulator with Optional Ultrasonic Power Save

Semtech Corporation 

1 2 3 4 5 6 7 8 9 10 Next

SC172

Typical Characteristics

FB Voltage vs Temperature

0.755

0.753

0.750

0.748

Black:VDD=5.0V

Red: VDD=3.0V

0.745

-40 -15 10 35 60 85 110 135

Temperature (°C)

Low Side Switch On-State Resistance vs

Temperature

115

105

95

85

75

Blue: VDD=3.0V

65

Black: VDD=5.0V

55

-40 -15 10 35 60 85 110 135

Temperature (°C)

High Side Switch On-State Resistance vs

Temperature

150

140

130

120

110

100

Blue: VDD=3.0V

90

Black: VDD=5.0V

80

-40 -15 10 35 60 85 110 135

Temperature (°C)

© 2010 Semtech Corporation

Load Transient Test (VIN=5V, VOUT=1.2V, IOUT= 0A to 2A,

PSAVE Mode Enabled, LOUT=1.3µH,COUT=2x22µF,Channel 1:

50mV/Div, Channel 2:5V/Div,Channel 4:1A/Div,Time:10µs/Div)

Load Transient Test (VIN=5V, VOUT=1.2V, IOUT= 2A to 0A,

PSAVE Mode Enabled, LOUT=1.3µH, COUT=2x22µF, Channel 1:

50mV/Div,Channel 2:5V/Div,Channel 4:1A/Div, Time:10µs/Div)

10

Share Link: