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TPS82140SILT Datasheet(PDF) 5 Page - Texas Instruments

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No. de pieza TPS82140SILT
Descripción Electrónicos  17-V Input 2-A Step-Down Converter MicroSiP Module with Integrated Inductor
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS82140SILT Datasheet(HTML) 5 Page - Texas Instruments

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5
TPS82140
www.ti.com
SLVSDN3 – JUNE 2017
Product Folder Links: TPS82140
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
6.5
Electrical Characteristics
TJ = -40°C to 125°C and VIN = 3.0V to 17V. Typical values are at TJ = 25°C and VIN = 12V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
SUPPLY
IQ
Quiescent current into VIN
No load, device not switching
20
35
µA
ISD
Shutdown current into VIN
EN = Low
1.5
7.4
µA
VUVLO
Under voltage lock out threshold
VIN falling
2.6
2.7
2.8
V
VIN rising
2.8
2.9
3.0
V
TJSD
Thermal shutdown threshold
TJ rising
160
°C
TJ falling
140
°C
LOGIC INTERFACE (EN)
VIH
High-level input voltage
0.9
0.65
V
VIL
Low-level input voltage
0.45
0.3
V
Ilkg(EN)
Input leakage current into EN pin
EN = High
0.01
1
µA
CONTROL (SS/TR, PG)
ISS/TR
SS/TR pin source current
2.1
2.5
2.8
µA
VPG
Power good threshold
VOUT rising, referenced to VOUT nominal
92%
95%
99%
VOUT falling, referenced to VOUT nominal
87%
90%
94%
VPG,OL
Power good low-level voltage
Isink = 2mA
0.1
0.3
V
Ilkg(PG)
Input leakage current into PG pin
VPG = 1.8V
1
400
nA
OUTPUT
VFB
Feedback regulation voltage
PWM mode
785
800
815
mV
TJ = 0°C to 85°C
788
800
812
PSM
COUT = 22µF
785
800
823
COUT = 2x22µF, TJ = 0°C to 85°C
788
800
815
Ilkg(FB)
Feedback input leakage current
VFB = 0.8V
1
100
nA
Line regulation
IOUT = 1A, VOUT = 1.8V
0.002
%/V
Load regulation
IOUT = 0.5A to 2A, VOUT = 1.8V
0.12
%/A
POWER SWITCH
RDS(on)
High-side FET on-resistance
ISW = 500mA, VIN ≥ 6V
90
170
m
ISW = 500mA, VIN = 3V
120
Low-side FET on-resistance
ISW = 500mA, VIN ≥ 6V
40
70
ISW = 500mA, VIN = 3V
50
RDP
Dropout resistance
100% mode, VIN ≥ 6V
125
m
100% mode, VIN = 3V
160
ILIMF
High-side FET switch current limit
VIN = 6V, TJ = 25°C
3
3.5
4
A
fSW
PWM switching frequency
IOUT = 1A, VOUT = 1.8V
2.0
MHz


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