SC194AMLTRT Semtech, SC194AMLTRT Datasheet - Page 15

• Manufacturer Part Number: SC194AMLTRT
• Description: IC SYNC BUCK CONV 1A 10-MLP
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC194AMLTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 1A
• Frequency - Switching: 1MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC194AMLTR

V
Mobile Voltage Positioning for Reduced System Dissipation in "Sleep" Modes
V
© 2006 Semtech Corp.
POWER MANAGEMENT
Applications Circuits
OUT
OUT
= 1.8V with PSAVE and 100% Duty Cycle
= 1.0V with Forced PWM and no 100% Duty Cycle
2.7V to 5.5V
2.7V to 5.5V
2.7V to 5.5V
V
IN
V
from 1.8V to 1.2V
V
“Sleep” Flag from
Changes voltage
IN
IN
10μF
C
IN
uProc
10μF
C
IN
10μF
C
IN
VIN
EN
SYNC/PWM
VID0
VID1
MODE
VIN
EN
SYNC/PWM
VID0
VID1
MODE
VIN
EN
SYNC/PWM
VID0
VID1
MODE
SC194A
SC194A
SC194A
15
PGND
PGND
VOUT
VOUT
PGND
VOUT
GND
GND
GND
LX
LX
LX
4.7μH
4.7μH
L1
4.7μH
L1
L1
22μF
PRELIMINARY
22μF
C
10μF
C
norm
C
V
1.8V
OUT
OUT
OUT
OUT
www.semtech.com
SC194A
V
V
1.8V
1V
1A
OUT
1A
OUT
“sleep”
V
1.2V
OUT