TPS75515, TPS75518, TPS75525, TPS75533 WITH POWER GOOD AND
TPS75501 FAST-TRANSIENT RESPONSE 5-A LOW-DROPOUT
VOLTAGE REGULATORS
SLVS293D – NOVEMBER 2000 – REVISED MAY 2002
functional block diagram—adjustable version
VIN
UVLO
Current
Sense
ILIM
GND
EN
_
SHUTDOWN
R1
+
FB
UVLO
R2
VOUT
Thermal
Shutdown
Vref = 1.22 V
External to
the Device
VIN
Bandgap
Reference
functional block diagram—fixed version
VIN
UVLO
Current
Sense
ILIM
_
GND
UVLO
EN
R2
SHUTDOWN
R1
+
VOUT
Thermal
Shutdown
Vref = 1.22 V
PG
Falling
Edge Delay
VIN
Bandgap
Reference
Terminal Functions (TPS755xx)
TERMINAL
NAME
EN
FB/PG
GND
IN
OUTPUT
NO.
1
5
3
2
4
I
O
I/O
I
I
Enable input
Feedback input voltage for adjustable device/PG output for fixed options
Regulator ground
Input voltage
Regulated output voltage
DESCRIPTION
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
3
TI [ TEXAS INSTRUMENTS ]
