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TPS78915DBVR Datasheet

  • TPS78915DBVR

  • ULTRALOW-POWER LOW-NOISE 100-mA LOW-DROPOUT LINEAR REGULATOR...

  • 16頁

  • TI

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TPS78915, TPS78918, TPS78925, TPS78928, TPS78930
ULTRALOW-POWER LOW-NOISE 100-mA
LOW-DROPOUT LINEAR REGULATORS
SLVS300A 鈥?SEPTEMBER 2000 鈥?REVISED MAY 2001
D
D
D
D
D
D
D
D
D
100-mA Low-Dropout Regulator
Available in 1.5-V, 1.8-V, 2.5-V, 2.8-V, 3.0-V
Output Noise Typically 56
碌V
RMS
(TPS78930)
Only 17
碌A
Quiescent Current at 100 mA
1
碌A
Quiescent Current in Standby Mode
Dropout Voltage Typically 115 mV at 100 mA
(TPS78930)
Over Current Limitation
鈥?0擄C to 125擄C Operating Junction
Temperature Range
5-Pin SOT-23 (DBV) Package
DBV PACKAGE
(TOP VIEW)
IN
GND
EN
1
2
3
4
TPS78930
BYPASS
5
OUT
GROUND CURRENT
vs
JUNCTION TEMPERATURE
21
20
19
18
17
16
15
14
鈥?0 鈥?5 鈥?0
VI = 4 V
Co = 4.7
碌F
IO = 100 mA
IO = 1 mA
description
The TPS789xx family of low-dropout (LDO)
voltage regulators offers the benefits of
low-dropout voltage, ultralow-power operation,
low-output noise, and miniaturized packaging.
These regulators feature low-dropout voltages
and ultralow quiescent current compared to
conventional LDO regulators. An internal resistor,
in conjunction with an external bypass capacitor,
creates a low-pass filter to reduce the noise. The
TPS78930 exhibits only 56
碌V
RMS
of output
voltage noise using 0.01
碌F
bypass and 10
碌F
output capacitors. Offered in a 5-terminal small
outline integrated-circuit SOT-23 package, the
TPS789xx series devices are ideal for
micropower operations, low output noise, and
where board space is limited.
The usual PNP pass transistor has been replaced
by a PMOS pass element. Because the PMOS
pass element behaves as a low-value resistor, the
dropout voltage is very low, typically 115 mV at
100 mA of load current (TPS78930), and is
directly proportional to the load current. The
quiescent current is ultralow (17
碌A
typically) and
is stable over the entire range of output load
current (0 mA to 100 mA). Intended for use in
portable systems such as laptops and cellular
phones, the ultralow-dropout voltage feature and
ultralow-power operation result in a significant
increase in system battery operating life.
Ground Current 鈥?/div>
碌
A
95 110 125
TJ 鈥?Junction Temperature 鈥?/div>
擄C
TPS78930
5
20 35 50 65 80
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY
1200
Output Spectral Noise Density 鈥?nV/ Hz
VI = 4 V
Co = 4.7
碌F
C(byp) = 0.1
碌F
1000
800
600
IO = 100 mA
400
IO = 1 mA
200
0
100
1k
10k
f 鈥?Frequency 鈥?Hz
100k
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
錚?/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
1

TPS78915DBVR 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 1.5V

  • 2.7 V ~ 10 V

  • -

  • 1

  • 100mA（最小值）

  • -40°C ~ 125°C

  • 表面貼裝

  • SC-74A，SOT-753

  • SOT-23-5

  • Digi-Reel®

  • 296-8146-6

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