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參數(shù)資料
| 型號： | TPS75315Q |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | FAST-TRANSIENT-RESPONSE 1.5-A LOW-DROPOUT VOLTAGE REGULATORS |
| 中文描述： | 快速瞬態(tài)響應1.5低壓差電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 2/29頁 |
| 文件大?。?/td> | 449K |
| 代理商： | TPS75315Q |
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TPS75101Q, TPS75115Q, TPS75118Q, TPS75125Q, TPS75133Q WITH POWER GOOD
TPS75301Q, TPS75315Q, TPS75318Q, TPS75325Q, TPS75333Q WITH RESET
FAST-TRANSIENT-RESPONSE 1.5-A LOW-DROPOUT VOLTAGE REGULATORS
SLVS241B
–
MARCH 2000
–
REVISED JUNE 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 160 mV
at an output current of 1.5 A for the TPS75x33Q) and is directly proportional to the output current. Additionally,
since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent
of output loading (typically 75
μ
A over the full range of output current, 1 mA to 1.5 A). These two key
specifications yield a significant improvement in operating life for battery-powered systems.
The device is enabled when EN is connected to a low level voltage. This LDO family also features a sleep mode;
applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than
1
μ
A at T
J
= 25
°
C.
For the TPS751xxQ, the power-good terminal (PG) is an active high, open drain output, which can be used to
implement a power-on reset or a low-battery indicator.
The RESET (SVS, POR, or power on reset) output of the TPS753xxQ initiates a reset in microcomputer and
microprocessor systems in the event of an undervoltage condition. An internal comparator in the TPS753xxQ
monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage.
When the output reaches 95% of its regulated voltage, RESET goes to a high-impedance state after a 100-ms
delay. RESET goes to a logic-low state when the regulated output voltage is pulled below 95% (i.e., over load
condition) of its regulated voltage.
The TPS751xxQ or TPS753xxQ is offered in 1.5-V, 1.8-V, 2.5-V and 3.3-V fixed-voltage versions and in an
adjustable version (programmable over the range of 1.5 V to 5 V). Output voltage tolerance is specified as a
maximum of 2% over line, load, and temperature ranges. The TPS751xxQ and TPS753xxQ families are
available in 20-pin TSSOP (PWP) packages.
AVAILABLE OPTIONS
TJ
(TYP)
TSSOP (PWP)
PG
RESET
3.3 V
TPS75133QPWP
TPS75333QPWP
2.5 V
TPS75125QPWP
TPS75325QPWP
–
40
°
C to 125
°
C
1.8 V
TPS75118QPWP
TPS75318QPWP
1.5 V
TPS75115QPWP
TPS75101QPWP
TPS75315QPWP
TPS75301QPWP
Adjustable 1.5 V to 5 V
NOTE: The TPS75x01 is programmable using an external resistor divider (see application
information). The PWP package is available taped and reeled. Add an R suffix to the
device type (e.g., TPS75201QPWPR) to indicate tape and reel.
See application information section for capacitor selection details.
PG or
RESET
SENSE
OUT
OUT
4
3
5
IN
IN
EN
GND
17
6
8
9
VI
0.22
μ
F
PG or RESET Output
VO
47
μ
F
+
CO
7
Figure 1. Typical Application Configuration (For Fixed Output Options)
相關PDF資料 |
PDF描述 |
|---|---|
| TPS75318Q | FAST-TRANSIENT-RESPONSE 1.5-A LOW-DROPOUT VOLTAGE REGULATORS |
| TPS75325Q | FAST-TRANSIENT-RESPONSE 1.5-A LOW-DROPOUT VOLTAGE REGULATORS |
| TPS75333Q | FAST-TRANSIENT-RESPONSE 1.5-A LOW-DROPOUT VOLTAGE REGULATORS |
| TPS75401-EP | POWER GOOD FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS |
| TPS75401Q | FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPS75315QPWP | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 1.5-A RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS75315QPWPG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 1.5-A RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS75315QPWPR | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 1.5-A RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS75315QPWPREP | 功能描述:低壓差穩(wěn)壓器 - LDO Mil Enh Fast-Trans Resp 1.5A LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS75315QPWPRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 1.5-A RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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