Datasheet

TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
37
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
external capacitor requirements (continued)
†
TPS7333, TPS7348, TPS7350 (fixed-voltage options)
SENSE
RESET
OUT
OUT
9
8
6
10
IN
IN
IN
EN
GND
321
20
15
14
13
V
I
0.1 µF
To System
Reset
CSR = 1 Ω
V
O
10 µF
+
TPS73xxPW
†
250 kΩ
Figure 47. Typical Application Circuit
programming the TPS7301 adjustable LDO regulator
Programming the adjustable regulators is accomplished using an external resistor divider as shown in
Figure 43. The equation governing the output voltage is:
V
O
V
ref
1
R1
R2
Where
V
ref
= reference voltage, 1.182 V typ