TPS76425, TPS76427, TPS76428, TPS76430, TPS76433
LOW-POWER LOW-NOISE 150-mA LOW-DROPOUT LINEAR REGULATORS
SLVS180A 鈥?MARCH 1999 鈥?REVISED JUNE 1999
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D
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D
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D
D
150-mA Low Noise, Low-Dropout Regulator
Output Voltage: 2.5 V, 2.7 V, 2.8 V, 3.0 V, 3.3 V
Output Noise Typically 50
碌V
Quiescent Current Typically 85
碌A(chǔ)
Dropout Voltage, Typically 300 mV
at 150 mA
Thermal Protection
Over Current Limitation
Less Than 2-碌A(chǔ) Quiescent Current in
Shutdown Mode
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
BYPASS
5
OUT
description
The TPS764xx family of low-dropout (LDO) voltage regulators offers the benefits of a low noise, low-dropout
voltage, low-power operation, and miniaturized package. Additionally, they feature low quiescent current when
compared to conventional LDO regulators. Offered in 5-terminal small outline integrated-circuit SOT-23
package, the TPS764xx series devices are ideal for low-noise applications, cost-sensitive designs and
applications where board space is at a premium.
A combination of new circuit design and process innovation has enabled the usual pnp pass transistor to be
replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the
dropout voltage is very low鈥攖ypically 300 mV at 150 mA of load current (TPS76433)鈥攁nd is directly
proportional to the load current. Since the PMOS pass element is a voltage-driven device, the quiescent current
is very low (140
碌A(chǔ)
maximum) and is stable over the entire range of output load current (0 mA to 150 mA).
Intended for use in portable systems such as laptops and cellular phones, the low-dropout voltage feature and
low-power operation result in a significant increase in system battery operating life.
The TPS764xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current
to 1
碌A(chǔ)
maximum at T
J
= 25擄C.The TPS764xx is offered in 2.5-V, 2.7-V, 2.8-V, 3.0-V, and 3.3-V fixed-voltages.
AVAILABLE OPTIONS
TJ
VOLTAGE
2.5 V
2.7 V
鈥?0擄C to 125擄C
2.8 V
3.0 V
3.3 V
SOT-23
SOT 23
(DBV)
PACKAGE
PART NUMBER
TPS76425DBVT鈥?/div>
TPS76425DBVR鈥?/div>
TPS76427DBVT鈥?/div>
TPS76428DBVT鈥?/div>
TPS76430DBVT鈥?/div>
TPS76433DBVT鈥?/div>
TPS76427DBVR鈥?/div>
TPS76428DBVR鈥?/div>
TPS76430DBVR鈥?/div>
TPS76433DBVR鈥?/div>
SYMBOL
PBJI
PBKI
PCEI
PBLI
PBMI
鈥?The DBVT passive indicates tape and reel of 250 parts.
鈥?The DBVR passive indicates tape and reel of 3000 parts.
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.
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
漏
1999, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1
TPS76428DBVT 產(chǎn)品屬性
1
集成電路 (IC)
PMIC - 穩(wěn)壓器 - 線性
-
正，固定式
2.8V
最高 10V
-
1
150mA（最小值）
-40°C ~ 125°C
表面貼裝
SC-74A，SOT-753
SOT-23-5
Digi-Reel®
296-2710-6
TPS76428DBVT相關(guān)型號(hào)PDF文件下載
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