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TPS40195 Datasheet(PDF) 3 Page - Texas Instruments

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No. de pieza TPS40195
Descripción Electrónicos  4.5-V TO 20-V SYNCHRONOUS BUCK CONTROLLER WITH SYNCHRONIZATION AND
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS40195 Datasheet(HTML) 3 Page - Texas Instruments

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TPS40195
www.ti.com
SLUS720E – FEBRUARY 2007 – REVISED JULY 2012
PACKAGE DISSIPATION RATINGS
RθJA High-K Board
(1)
Power Rating (W)
Power Rating (W)
PACKAGE
AIRFLOW (LFM)
(°C/W)
TA = 25°C
TA = 85°C
PW
0 (Natural Convection)
110
0.90
0.36
0 (Natural Convection)
49.2
2.0
0.81
RGY
200
41.2
2.4
0.97
400
37.7
2.6
1.0
(1)
Ratings based on JEDEC High Thermal Conductivity (High K) Board. For more information on the test method, see TI Technical Brief
SZZA017.
ELECTROSTATIC DISCHARGE (ESD) PROTECTION
MIN
TYP
MAX
UNIT
Human Body Model (HBM)
2500
V
Charged Device Model (CDM)
1500
ELECTRICAL CHARACTERISTICS
TJ = –40°C to 85°C, VVDD= 12 Vdc, all parameters at zero power dissipation (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REFERENCE
0°C
≤ TJ ≤ 85°C
588
591
594
VFB
Feedback voltage range
mV
-40°C
≤ TJ ≤ 85°C
585
591
594
INPUT SUPPLY
VVDD
Input voltage range
4.5
20.0
V
VEN = 3 V
4
mA
IVDD
Operating current
VEN < 0.6 V, VVDD = 12 V
165
250
μA
VEN < 0.6 V, VVDD = 20 V
230
330
ON BOARD REGULATOR
VBP
Output voltage
VVDD > 6 V, IBP ≤ 10 mA
5.1
5.3
5.5
V
VDO
Regulator dropout voltage, VVDD - VBP
VVDD = 5 V, IBP ≤ 25 mA
350
550
mV
ISC
Regulator current limit threshold
75
mA
IBP
Average current
75
OSCILLATOR
VRT = VBP
400
500
580
fSW
Switching frequency
VRT = 0 V
200
250
290
kHz
RRT = 100 kΩ
250
VRMP
Ramp amplitude(1)
1
V
SYNCHRONIZATION
VINH
High-level input voltage
2.5
V
VINL
Low-level input voltage
0.5
TF(max)
Maximum input fall time(1)
100
ns
VOH
High-level output voltage
ISYNC = 100 μA, sourcing
3.5
V
VOL
Low-level output voltage
ISYNC = 100 μA, sinking
0.3
TF
Output fall time(1)
10
25
CSYNC =25 pF
ns
TR
Output rise time(1)
100
300
(1)
Specified by design. Not production tested.
Copyright © 2007–2012, Texas Instruments Incorporated
3


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