TPS767D301, TPS767D318, TPS767D325
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
SLVS209B – JULY 1999 – REVISED APRIL 2000
D
D
D
D
D
D
D
D
D
D
D
Dual Output Voltages for Split-Supply
Applications
Output Current Range of 0 mA to 1.0 A Per
Regulator
3.3-V/2.5-V, 3.3-V/1.8-V, and 3.3-V/Adjustable
Output
Fast-Transient Response
2% Tolerance Over Load and Temperature
Dropout Voltage Typically 350 mV at 1 A
Ultra Low 85
µA
Typical Quiescent Current
1
µA
Quiescent Current During Shutdown
Dual Open Drain Power-On Reset With
200-ms Delay for Each Regulator
28-Pin PowerPAD™ TSSOP Package
Thermal Shutdown Protection for Each
Regulator
PWP PACKAGE
(TOP VIEW)
NC
NC
1GND
1EN
1IN
1IN
NC
NC
2GND
2EN
2IN
2IN
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1RESET
NC
NC
1FB/NC
1OUT
1OUT
2RESET
NC
NC
NC
2OUT
2OUT
NC
NC
NC – No internal connection
description
The TPS767D3xx family of dual voltage regulators offers fast transient response, low dropout voltages and dual
outputs in a compact package and incorporating stability with 10-µF low ESR output capacitors.
LOAD TRANSIENT RESPONSE
100
∆
VO – Change in
Output Voltage – mV
50
0
–50
–100
1
0.5
0
VO = 3.3 V
CL =100
µF
TA = 25°C
VDO – Dropout Voltage – mV
103
DROPOUT VOLTAGE
vs
FREE-AIR TEMPERATURE
IO = 1 A
102
101
I O – Output Current – A
100
IO = 10 mA
10–1
VO = 3.3 V
CO = 10
µF
IO = 0
0
20
40
60
80 100 120 140
0
20
40
60
80 100 120 140 160 180 200
t – Time –
µs
10–2
–60 –40 –20
TA – Free-Air Temperature –
°C
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.
PowerPAD is a trademark of 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.
Copyright
©
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
1
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