SC2544MLTRT Semtech, SC2544MLTRT Datasheet - Page 7

• Manufacturer Part Number: SC2544MLTRT
• Description: IC CTRL/REG SYNC BUCK 24-MLPQ
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC2544MLTRT

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: Adj to 0.75V
• Frequency - Switching: 100kHz ~ 300kHz
• Voltage - Input: 4.5 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-MLPQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -
• Other names: SC2544MLTR

POWER MANAGEMENT
Block Diagram
2005 Semtech Corp.
ERROUT1
ENABLE
ROSC
FB1
SS1
VCC
VIN
AGND
Oscillator
Ramp
generator
EN
OUT
VCC
3R
FB1
ON/OFF
+
UVLO
(One PWM channel shown)
-
VCC
Ramp1
CLK1
0.75V
R
-
+
+
-
E/A
OUT
PWM
Band
Gap 1
0.75V
UVLO
+
-
OUT
10V
LDO
Band
Gap 2
S
R
R
S
7
0.75V
/Q
Q
Protect 1
0.75V
0.675V
FB1
FB2
OVP
Protect 1
OUT
+
-
-
OUT
Protect 1
+
-
OCP
FB1
PVCC
0.89V
OUT
OVP
PHASE1
PVCC
+
-
OCP
VCC
10u A
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SC2544
DRVH1
PHASE1
DRVL1
PWRGD
BST1
PVCC
ILIM1