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參數(shù)資料
| 型號： | TPS75401Q |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS |
| 中文描述： | 快速瞬態(tài)響應(yīng)2 -低壓差電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 2/29頁 |
| 文件大?。?/td> | 446K |
| 代理商： | TPS75401Q |
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TPS75201Q, TPS75215Q, TPS75218Q, TPS75225Q, TPS75233Q WITH RESET
TPS75401Q, TPS75415Q, TPS75418Q, TPS75425Q, TPS75433Q WITH POWER GOOD
FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS
SLVS242B – 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 210 mV
at an output current of 2 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 2 A). These two key specifications
yield a significant improvement in operating life for battery-powered systems.
The device is enabled when the EN pin is connected to a low-level input 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 1
μ
A at T
J
= 25
°
C.
The RESET (SVS, POR, or power on reset) output of the TPS752xxQ initiates a reset in microcomputer and
microprocessor systems in the event of an undervoltage condition. An internal comparator in the TPS752xxQ
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 TPS754xxQ has a power good terminal (PG) as an active high, open drain output, which can be used to
implement a power-on reset or a low-battery indicator.
The TPS752xxQ or the TPS754xxQ are 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 TPS752xxQ and the TPS754xxQ families are
available in 20 pin TSSOP (PWP) packages.
AVAILABLE OPTIONS
TJ
OUTPUT VOLTAGE
(TYP)
TSSOP (PWP)
RESET
PG
–40 C to 125 C
3.3 V
TPS75233QPWP
TPS75433QPWP
2.5 V
TPS75225QPWP
TPS75425QPWP
1.8 V
TPS75218QPWP
TPS75418QPWP
1.5 V
TPS75215QPWP
TPS75415QPWP
Adjustable 1.5 V to 5 V
TPS75201QPWP
TPS75401QPWP
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(guān)PDF資料 |
PDF描述 |
|---|---|
| TPS75415Q | FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS |
| TPS75418Q | FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS |
| TPS75425Q | FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS |
| TPS75433Q | FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS |
| TPS75215Q | FAST-TRANSIENT-RESPONSE 2-A LOW-DROPOUT VOLTAGE REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS75401QPWP | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 2-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 |
| TPS75401QPWPG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 2-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 |
| TPS75401QPWPR | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 2-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 |
| TPS75401QPWPRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 2-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 |
| TPS75415QPWP | 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Tran-Resp 2-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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