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TPS75525 Datasheet

  • TPS75525

  • 具有电源良好输出的超低压降 (LDO) 2.5V 5A LDO

  • 507.10KB

  • 27页

  • TI

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TPS75515, TPS75518, TPS75525, TPS75533 WITH POWER GOOD AND
TPS75501 FAST-TRANSIENT RESPONSE 5-A LOW-DROPOUT
VOLTAGE REGULATORS
SLVS293D 鈥?NOVEMBER 2000 鈥?REVISED MAY 2002
D
5-A Low-Dropout Voltage Regulator
D
Available in 1.5-V, 1.8-V, 2.5-V, and 3.3-V
D
D
D
D
D
D
D
Fixed-Output and Adjustable Versions
Open Drain Power-Good (PG) Status
Output (Fixed Options Only)
Dropout Voltage Typically 250 mV at 5 A
(TPS75533)
Low 125
碌A
Typical Quiescent Current
Fast Transient Response
3% Tolerance Over Specified Conditions for
Fixed-Output Versions
Available in 5-Pin TO鈥?20 and TO鈥?63
Surface-Mount Packages
Thermal Shutdown Protection
EN
IN
GND
OUTPUT
FB/PG
TO鈥?20 (KC) PACKAGE
(TOP VIEW)
1
2
3
4
5
TO鈥?63 (KTT) PACKAGE
(TOP VIEW)
EN
IN
GND
OUTPUT
FB/PG
1
2
3
4
5
Tab is GND
Tab is GND
description
The TPS755xx family of 5-A low dropout (LDO) regulators contains four fixed voltage option regulators with
integrated power-good (PG) and an adjustable voltage option regulator. These devices are capable of supplying
5 A of output current with a dropout of 250 mV (TPS75533). Therefore, the device is capable of performing a
3.3-V to 2.5-V conversion. Quiescent current is 125
碌A
at full load and drops down to less than 1
碌A
when the
device is disabled. The TPS755xx is designed to have fast transient response for large load current changes.
TPS75533
DROPOUT VOLTAGE
vs
JUNCTION TEMPERATURE
鈭?/div>
VO 鈥?Change in Output Voltage 鈥?mV
400
350
VDO 鈥?Dropout Voltage 鈥?mV
300
250
200
150
100
50
0
鈥?0 鈥?5 鈥?0
IO = 5 A
VO = 3.3 V
150
100
50
0
鈥?0
TPS75515
LOAD TRANSIENT RESPONSE
VO = 1.5 V
Co = 100
碌F
鈥?00
di
+
1.25 A
碌s
dt
5
0
鈥?50
5
20 35
50
65
80
95
110 125
0
20
40
60
TJ 鈥?Junction Temperature 鈥?/div>
掳C
80 100 120 140 160 180 200
t 鈥?Time 鈥?/div>
碌s
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
铮?/div>
2001, 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.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
I O 鈥?Output Current 鈥?A
1

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