SC418ULTRT Semtech, SC418ULTRT Datasheet - Page 9

• Manufacturer Part Number: SC418ULTRT
• Description: IC BUCK SYNC ADJ 20MLPQ
• Manufacturer: Semtech
• Series: EcoSpeed™, SmartDrive™r
• Type: Step-Down (Buck)r

Specifications of SC418ULTRT

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.5 ~ 5.5 V
• Frequency - Switching: 200kHz ~ 1MHz
• Voltage - Input: 3 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-MLPQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -
• Other names: SC418ULTRTTR

Characteristics in this section are based on using the Detailed Application Circuit.
Typical Characteristics (continued)
(50mV/div)
(50mV/div)
(50mV/div)
(10V/div)
(10V/div)
(10V/div)
(10V/div)
(10V/div)
(5V/div)
(5A/div)
(5V/div)
PGOOD
(5V/div)
IOUT
V
V
V
DH
DL
DH
OUT
LX
LX
DL
OUT
OUT
LX
Ultrasonic Powersave Mode — No Load
Externally biased at VDDA/VDDP = 5V, V
Internally biased at V
Internally biased at V
Forced Continuous Mode — No Load
Power-Save Mode — No Load
LDO
LDO
Time (5µs/div)
Time (2µs/div)
= 5V, V
= 5V, V
Time (2µs/div)
IN
IN
= 12V, V
= 12V, V
IN
OUT
OUT
= 12V, V
= 1.050V, I
= 1.050V, R
OUT
= 1.050V
OUT
PSV
= 0A
= 115k Ω
(500mV/div)
(500mV/div)
(50mV/div)
(10V/div)
(10V/div)
(5A/div)
(5A/div)
(5V/div)
(5A/div)
(5V/div)
Externally biased at VDDA/VDDP = 5V, V
PGOOD
PGOOD
(5V/div)
PGOOD
Externally biased at VDDA/VDDP = 5V, V
IOUT
IOUT
V
V
V
Enabled Loaded Output — Power Good True
OUT
OUT
LX
LX
LX
OUT
Transient Response — Load Falling
Internally biased at V
Transient Response — Load Rising
LDO
Time (400µs/div)
Time (40µs/div)
Time (40µs/div)
= 5V, V
IN
IN
IN
= 12V, V
= 12V, V
= 12V, V
OUT
OUT
OUT
= 1.050V, I
= 1.050V, I
= 1.050V, I
SC418
OUT
OUT
OUT
= 0A to 10A
= 0A
= 10A to 0A
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