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TPS784-Q1_V03 PDF预览

TPS784-Q1_V03

更新时间: 2024-11-16 02:46:47
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德州仪器 - TI /
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描述
TPS784-Q1 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy and Enable

TPS784-Q1_V03 数据手册

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TPS784-Q1
SBVS387A – FEBRUARY 2020 – REVISED NOVEMBER 2020  
TPS784-Q1 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy  
and Enable  
1 Features  
3 Description  
AEC-Q100 qualified for automotive applications:  
Temperature grade 1: –40°C to +125°C, TA  
Device junction temperature: –40°C to +150°C, TJ  
Input voltage range: 1.65 V to 6.0 V  
Available output voltages:  
– Adjustable option: 1.2 V to 5.5 V  
– Fixed options: 0.65 V to 5.0 V  
Output accuracy: 0.5% typical, 1.7% maximum  
50-dB PSRR out to 100 kHz  
The TPS784-Q1 ultra low-dropout regulator (LDO) is  
a small, low quiescent current LDO that can source  
300 mA with excellent line and load transient  
performance.  
The low output noise and great PSRR performance  
make the device suitable to power sensitive analog  
loads. The TPS784-Q1 is a flexible device for post  
regulation because this device supports an input  
voltage range from 1.65 V to 6.0 V and offers an  
adjustable output range of 1.2 V to 5.5 V. The device  
also features fixed output voltages from 0.65 V to  
5.0 V for powering common voltage rails.  
Low IQ: 25 µA (typical)  
Ultra-low dropout:  
– 115 mV (max) at 300 mA (3.3 VOUT  
)
The TPS784-Q1 offers foldback current limit to reduce  
power dissipation during over current condition. The  
EN input helps with power sequencing requirements  
of the system. The internal soft-start provides a  
controlled startup reducing the inrush current allowing  
for lower input capacitance to be used.  
Internal 500-µs soft-start time to reduce inrush  
current  
Active output discharge  
Functional Safety-Capable  
– Documentation available to aid functional safety  
system design  
Packages:  
– 3-mm × 3-mm wettable flank VSON (8)  
– 5-pin SOT-23  
The TPS784-Q1 provides an active pulldown circuit to  
quickly discharge output loads when disabled.  
Device Information  
PART NUMBER(1)  
PACKAGE  
BODY SIZE (NOM)  
3.00 mm × 3.00 mm  
2.90 mm × 1.60 mm  
2 Applications  
Wettable flank  
VSON (8)(2)  
TPS784-Q1  
Automotive head units  
Hybrid instrument clusters  
Telematics control units  
DC/DC converters  
SOT-23 (5)  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
(2) Preview package.  
200  
0.25  
TJ  
180  
0.2  
-55èC  
-40èC  
0èC  
25èC  
85èC  
125èC  
150èC  
160  
0.15  
0.1  
140  
120  
100  
80  
0.05  
0
-0.05  
60  
-0.1  
TJ  
40  
-55èC  
-40èC  
0èC  
25èC  
85èC  
125èC  
150èC  
-0.15  
-0.2  
20  
0
-0.25  
0
0.03 0.06 0.09 0.12 0.15 0.18 0.21 0.24 0.27 0.3  
Output Current (A)  
0
0.03 0.06 0.09 0.12 0.15 0.18 0.21 0.24 0.27 0.3  
Output Current (A)  
Dropout vs IOUT for 5.0 V  
Output Accuracy vs IOUT for 5.0 V  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 

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