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TPS63020DSJR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
稳压芯片
封装:
VSON-14
描述:
TEXAS INSTRUMENTS TPS63020DSJR 直流-直流开关降压, 升压稳压器, 可调, 1.8V-5.5V输入, 1.2V-5.5V/4A输出, 2.4MHz, VSON-14 新
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引脚图在P3Hot
典型应用电路图在P1P12
原理图在P1P7P8
封装尺寸在P22P24P25
标记信息在P22
封装信息在P21P22P23P24P25
技术参数、封装参数在P3
应用领域在P1P29
电气规格在P5P9
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TPS63020DSJR数据手册
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TPS63020
,
TPS63021
www.ti.com
SLVS916D –JULY 2010–REVISED OCTOBER 2015
6.5 Electrical Characteristics
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25°C) (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DC/DC STAGE
Input voltage 1.8 5.5 V
V
IN
Minimum input voltage for startup 0°C ≤ T
A
≤ 85°C 1.5 1.8 1.9 V
Minimum input voltage for startup 1.5 1.8 2.0 V
V
OUT
TPS63020 output voltage 1.2 5.5 V
Duty cycle in step down conversion 20%
V
FB
TPS63020 feedback voltage 495 500 505 mV
PS/SYNC = V
IN
TPS63021 output voltage 3.267 3.3 3.333 V
V
FB
TPS63020 feedback voltage PS/SYNC = GND referenced to 500 mV 0.6% 5%
TPS63021 output voltage regulation PS/SYNC = GND referenced to 3.3 V 0.6% 5%
Maximum line regulation 0.5%
Maximum load regulation 0.5%
f Oscillator frequency 2200 2400 2600 kHz
Frequency range for synchronization 2200 2400 2600 kHz
I
SW
Average switch current limit V
IN
= V
INA
= 3.6 V, T
A
= 25°C 3500 4000 4500 mA
High side switch on resistance V
IN
= V
INA
= 3.6 V 50 mΩ
Low side switch on resistance V
IN
= V
INA
= 3.6 V 50 mΩ
VIN and VINA 25 50 μA
Quiescent I
OUT
= 0 mA, V
EN
= V
IN
= V
INA
= 3.6 V,
I
q
current V
OUT
= 3.3 V
VOUT 5 10 μA
TPS63021 FB input impedance V
EN
= HIGH 1 MΩ
I
S
Shutdown current V
EN
= 0 V, V
IN
= V
INA
= 3.6 V 0.1 1 μA
CONTROL STAGE
Under voltage lockout threshold V
INA
voltage decreasing 1.4 1.5 1.6 V
UVLO
Under voltage lockout hysteresis 200 mV
V
IL
EN, PS/SYNC input low voltage 0.4 V
V
IH
EN, PS/SYNC input high voltage 1.2 V
EN, PS/SYNC input current Clamped to GND or VINA 0.01 0.1 μA
PG output low voltage V
OUT
= 3.3 V, I
PGL
= 10 μA 0.04 0.4 V
PG output leakage current 0.01 0.1 μA
Output overvoltage protection 5.5 7 V
Overtemperature protection 140 °C
Overtemperature hysteresis 20 °C
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