sc1112a Semtech Corporation, sc1112a Datasheet - Page 7

• Manufacturer Part Number: sc1112a
• Description: Triple Low Dropout Regulator Controllers
• Manufacturer: Semtech Corporation

© 2001 Semtech Corp.
POWER MANAGEMENT
Block Diagram
PWRGD
DELAY
VTTIN
+ -
Bandgap
Reference
5VSTBY
_
+
GND
1.5V
1.35V
1.2V
1.08V
0.7V
1.5V
+
_
+
_
+
_
Pwrgd
Threshold
0.7V
VTTSEN
VTTSEL
AGPSEL
Vref
+
_
Vref
7
+
_
CAP+
S
R
ChargePump
Q
Oscillator
CAP-
Disable1.5
Disable1.5
Disable1.2
Disable3.3
1.5V
1.2V
1.5V
1.2V
+
_
+
_
+
_
+
_
+
_
FC
FC
VTTGATE
VTTSEN
AGPGATE
AGPSEN
FC
ADJGATE
ADJSEN
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