SC198AMLTRT Semtech, SC198AMLTRT Datasheet - Page 8

• Manufacturer Part Number: SC198AMLTRT
• Description: IC DUAL DC-DC BUCK CONV 20-MLPQ
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC198AMLTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: Programmable
• Current - Output: 800mA
• Frequency - Switching: 1MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-MLPQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC198AMLTR

Typical Characteristics (continued)
(50mV/div)
(50mV/div)
(200mV/div)
(200mV/div)
(5.0mV/div)
3.5
2.5
1.5
0.5
4
3
2
1
0
(1.0A/div)
2.7
V
I
OUT
OUT
V
V
IN
OUT
=5.0V, 25°C, V
= 300mA
=1.0V, V
vs. V
3.26
IN
IN
=3.6V, 25°C, I
— 3.3V Programmed Output
Crosstalk in PSAVE
Transient in PSAVE
OUTA
= 1.0V, I
3.82
I
Time (200μs/div)
OUT
= 800mA
OUT
Input (V)
OUTA
10μs
= 0 to 800mA
= 80mA, V
NOT RECOMMENDED FOR NEW DESIGN
4.38
OUTB
= 3.3V, I
4.94
OUTB
= 0mA
5.5
(200mV/div)
(200mV/div)
1.854
1.836
1.818
1.782
1.764
1.746
(100mV/div)
(100mV/div)
(5.0mV/div)
1.8
(1.0A/div)
2.7
V
Crosstalk — Side A (PSAVE) Side B (PWM)
V
OUT
IN
V
=5.0V, 25°C, V
OUT
=1.8V, V
vs. V
3.26
I
OUT
= 300mA
IN
IN
=3.6V, 25°C, I
OUTA
— 1.8V Programmed Output
Transient in PWM
= 1.0V, I
3.82
I
OUT
Time (200μs/div)
= 800mA
Input (V)
OUT
OUTA
10μs
= 0 to 800mA
= 80mA, V
4.38
OUTB
= 3.3V, I
4.94
SC198A
OUTB
= 800mA
5.5
8