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TPS62150A-Q1 Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza TPS62150A-Q1
Descripción Electrónicos  TPS6215xA-Q1 3V to 17-V 1A Step-Down Converter with DCS-ControlTM
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS62150A-Q1 Datasheet(HTML) 5 Page - Texas Instruments

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TPS62150A-Q1, TPS62153A-Q1
www.ti.com
SLVSCC3 – MAY 2014
8.5 Electrical Characteristics
over junction temperature range (TJ=-40°C to +125°C), typical values at VIN=12V and TA=25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
VIN
Input voltage range
3
17
V
IQ
Operating quiescent current
EN=High, IOUT=0mA, device not switching
17
30
µA
ISD
Shutdown current(1)
EN=Low
1.5
25
µA
VUVLO
Falling Input Voltage (PWM mode operation)
2.6
2.7
2.8
V
Undervoltage lockout threshold
Hysteresis
200
mV
TSD
Thermal shutdown temperature
160
°C
Thermal shutdown hysteresis
20
CONTROL (EN, DEF, LOG, SS/TR, PG)
High level input threshold voltage (EN,
VH
0.9
V
DEF)
VL
Low level input threshold voltage (EN,
0.3
V
DEF)
EN=VIN or GND; DEF=VOUT or GND;
ILKG
Input leakage current (EN, DEF, LOG)
0.01
1
µA
LOG=GND
Rising (%VOUT)
92%
95%
98%
VTH_PG
Power good threshold voltage
Falling (%VOUT)
87%
90%
94%
VOL_PG
Power good output low
IPG=–2mA
0.07
0.3
V
ILKG_PG
Input leakage current (PG)
VPG=1.8V
1
400
nA
ISS/TR
SS/TR pin source current
2.3
2.5
2.7
µA
POWER SWITCH
VIN≥6V
90
170
High-side MOSFET ON-resistance
m
Ω
VIN=3V
120
RDS(ON)
VIN≥6V
40
70
Low-side MOSFET ON-resistance
m
Ω
VIN=3V
50
ILIMF
High-side MOSFET forward current limit
VIN =12V, TA= 25°C
1.4
1.7
2.2
A
OUTPUT
VREF
Internal reference voltage
0.8
V
ILKG_FB
Input leakage current (FB)
VFB=0.8V
1
100
nA
Output voltage range (TPS62150A-Q1)
VIN ≥ VOUT
0.9
6.0
V
DEF (Output voltage programming)
DEF=0 (GND)
VOUT
DEF=1 (VOUT)
VOUT+5%
PWM mode operation, VIN ≥ VOUT +1V
–1.8
1.8%
%
VOUT
Output voltage accuracy(2)
Power Save Mode operation, COUT=22µF
–2.3
2.8%
%
Load regulation
VIN=12V, VOUT=3.3V, PWM mode operation
0.05
%/A
3V
≤ VIN ≤ 17V, VOUT=3.3V, IOUT= 1A, PWM
0.02
%/V
Line regulation
mode operation
(1)
Current into AVIN+PVIN pin.
(2)
This is the regulation accuracy of the voltage at the FB pin (adjustable version).
Copyright © 2014, Texas Instruments Incorporated
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