LP38691DTX-5.0 Datasheet, PDF (5/27 Pages) Texas Instruments – LP38693 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors

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V_IN
BLOCK DIAGRAMS
LP38691, LP38693
SNVS321K – JANUARY 2005 – REVISED APRIL 2013
P-FET
N/C
GND
-
ENABLE
+
LOGIC
THERMAL
SHUTDOWN
1.25V
REFERENCE
MOSFET
DRIVER
FOLDBACK
CURRENT
LIMITING
P-FET
V_OUT
SNS
R1
R2
Figure 5. LP38691 Functional Diagram (WSON)
V_IN
P-FET
-
ENABLE
+
LOGIC
THERMAL
SHUTDOWN
1.25V
REFERENCE
MOSFET
DRIVER
FOLDBACK
CURRENT
LIMITING
P-FET
V_OUT
R1
R2
GND
Figure 6. LP38691 Functional Diagram (PFM)
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