SC198AMLTRT Semtech, SC198AMLTRT Datasheet - Page 6

• 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

Block Diagram
VOUTA
CTLA0
CTLA2
CTLA1
SYNC
GNDA
VINR
ENA
VINA
LXA
17
18
20
1
2
3
5
7
4
6
VREF2
Voltage
N Limit Amp
Select
Current
Amp
VREF3
NOT RECOMMENDED FOR NEW DESIGN
P Limit
Amp
VREF1
Comp
Error
PWM
Amp
A
Switching Control Logic
Slope Generator
Oscillator and
Error
Amp
References
A
Voltage
Error
Amp
B
Comp
PWM
VREF1
VREF2
VREF3
VREF1
Error
Amp
B
P Limit
Amp
VREF3
Current
N Limit Amp
Amp
Voltage
Select
VREF2
SC198A
12
15
14
13
16
11
10
9
8
VINB
GNDB
CTLB1
CTLB2
GNDR
VOUTB
CTLB0
ENB
LXB
6