SC174MLTRT Semtech, SC174MLTRT Datasheet - Page 10

• Manufacturer Part Number: SC174MLTRT
• Description: IC BUCK SYNC ADJ 4A MLPD-10
• Manufacturer: Semtech
• Series: EcoSpeed™r
• Type: Step-Down (Buck)r

Specifications of SC174MLTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.75 ~ 5.23 V
• Current - Output: 4A
• Frequency - Switching: 200kHz ~ 1MHz
• Voltage - Input: 3 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MLPD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC174MLTR

Typical Characteristics
© 2010 Semtech Corporation
58
54
50
46
42
38
34
30
64
60
56
52
48
44
40
0.755
0.753
0.750
0.748
0.745
-40
High Side Switch On-State Resistance vs
-40
Low Side Switch On-State Resistance vs
-40
-15
-15
FB Voltage vs Temperature
-15
10
10
Temperature
Temperature
10
Temperature (°C)
Temperature (°C)
Temperature (°C)
35
35
Black:VDD=5.0V
Red: VDD=3.0V
35
60
60
Blue: VDD=3.0V
Black: VDD=5.0V
Blue: VDD=3.0V
Black: VDD=5.0V
60
85
85
85
110
110
110
135
135
135
50mV/Div, Channel 2:5V/Div,Channel 4:2A/Div,Time:20 s/Div)
50mV/Div,Channel 2:5V/Div,Channel 4:2A/Div, Time:20 s/Div)
PSAVE Mode Enabled, L
PSAVE Mode Enabled, L
Load Transient Test (
Load Transient Test (
OUT
V
OUT
V
IN
IN
=1.3 H, C
=5V, V
=5V, V
=1.3 H,C
OUT
OUT
OUT
OUT
=1.2V, I
=1.2V, I
=3x22 F,Channel 1:
=3x22 F, Channel 1:
OUT
OUT
= 0A to 4A,
= 4A to 0A,
SC174
10