TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D
Available in 2.5-V, 3-V, 3.3-V, 4.85-V, and 5-V
Fixed-Output and Adjustable Versions
D
Integrated Precision Supply-Voltage
Supervisor Monitoring Regulator Output
Voltage
D
Active-Low Reset Signal with 200-ms Pulse
Width
D
Very Low Dropout Voltage ...Maximum of
35 mV at I
O
= 100 mA (TPS7350)
D
Low Quiescent Current – Independent of
Load . . . 340 µA Typ
D
Extremely Low Sleep-State Current,
0.5 µA Max
D
2% Tolerance Over Full Range of Load,
Line, and Temperature for Fixed-Output
Versions
§
D
Output Current Range of 0 mA to 500 mA
D
TSSOP Package Option Offers Reduced
Component Height For Critical Applications
description
The TPS73xx devices are members of a family of
micropower low-dropout (LDO) voltage regulators.
They are differentiated from the TPS71xx and TPS72xx LDOs by their integrated delayed microprocessor-reset
function. If the precision delayed reset is not required, the TPS71xx and TPS72xx should be considered.
¶
AVAILABLE OPTIONS
OUTPUT VOLTAGE
(V)
NEGATIVE-GOING RESET
THRESHOLD VOLTAGE (V)
PACKAGED DEVICES
CHIP FORM
T
J
MIN TYP MAX MIN TYP MAX
SMALL
OUTLINE
(D)
PLASTIC DIP
(P)
TSSOP
(PW)
CHIP
FORM
(Y)
4.9 5 5.1 4.55 4.65 4.75 TPS7350QD TPS7350QP TPS7350QPW TPS7350Y
4.75 4.85 4.95 4.5 4.6 4.7 TPS7348QD TPS7348QP TPS7348QPW TPS7348Y
40
°
Cto
3.23 3.3 3.37 2.868 2.934 3 TPS7333QD TPS7333QP TPS7333QPW TPS7333Y
–
40°C
to
125°C
2.94 3 3.06 2.58 2.64 2.7 TPS7330QD TPS7330QP TPS7330QPW TPS7330Y
125 C
2.425 2.5 2.575 2.23 2.32 2.39 TPS7325QD TPS7325QP TPS7325QPW TPS7325Y
Adjustable
1.2 V to 9.75 V
1.101 1.123 1.145 TPS7301QD TPS7301QP TPS7301QPW TPS7301Y
The D and PW packages are available taped and reeled. Add an R suffix to device type (e.g., TPS7350QDR). The TPS7301Q is programmable
using an external resistor divider (see application information). The chip form is tested at 25°C.
§
The TPS7325 has a tolerance of ±3% over the full temperature range.
¶
The TPS71xx and the TPS72xx are 500-mA and 250-mA output regulators respectively, offering performance similar to that of the TPS73xx but
without the delayed-reset function. The TPS72xx devices are further differentiated by availability in 8-pin thin-shrink small-outline packages
(TSSOP) for applications requiring minimum package size.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 1999, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
GND
GND
NC
NC
EN
NC
IN
IN
IN
RESET
NC
NC
FB
‡
NC
SENSE
†
OUT
OUT
NC
NC
PW PACKAGE
(TOP VIEW)
NC – No internal connection
†
SENSE – Fixed voltage options only
(TPS7325, TPS7330, TPS7333, TPS7348, and TPS7350)
‡
FB – Adjustable version only (TPS7301)
1
2
3
4
8
7
6
5
GND
EN
IN
IN
RESET
SENSE
†
/FB
‡
OUT
OUT
D OR P PACKAGE
(TOP VIEW)
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