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TPS40192DRCR Datasheet(PDF) 5 Page - Texas Instruments

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No. de pieza TPS40192DRCR
Descripción Electrónicos  4.5-V to 18-V Input, 10-Pin, Synchronous Buck Controller With Power Good
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS40192DRCR Datasheet(HTML) 5 Page - Texas Instruments

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TPS40192, TPS40193
www.ti.com
SLUS719F – MARCH 2007 – REVISED NOVEMBER 2016
Product Folder Links: TPS40192 TPS40193
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Copyright © 2007–2016, Texas Instruments Incorporated
(1)
Specified by design. Not production tested.
6.5 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
VFB
Feedback voltage range
0°C
≤ TJ ≤ 85°C
588
591
594
mV
-40°C
≤ TJ ≤ 85°C
585
591
594
INPUT SUPPLY
VVDD
Input voltage range
4.5
18
V
IVDD
Operating current
VENABLE = 3 V
2.5
4
mA
VENABLE = 0.6 V
45
70
μA
ON BOARD REGULATOR
V5VBP
Output voltage
VVDD > 6 V, I5VBP ≤ 10 mA
5.1
5.3
5.5
V
VDO
Regulator dropout voltage
VVDD - VBP5 , VVDD = 5 V, IBP5
25 mA
350
550
mV
ISC
Regulator current limit threshold
50
mA
IBP5
Average current
50
OSCILLATOR
fSW
Switching frequency
TPS40193
240
300
360
kHz
TPS40192
500
600
700
VRMP
Ramp amplitude(1)
1
V
PWM
DMAX
Maximum duty cycle(1)
85%
tON(min)
Minimum controlled pulse(1)
110
ns
tDEAD
Output driver dead time
HDRV off to LDRV on
50
LDRV off to HDRV on
25
SOFT-START
tSS
Soft-start time
3
4
6
ms
tSSDLY
Soft-start delay time
2
tREG
Time to regulation
6
ERROR AMPLIFIER
GBWP
Gain bandwidth product(1)
7
10
MHz
AOL
DC gain(1)
60
dB
IIB
Input bias current (current out of FB pin)
100
nA
IEAOP
Output source current
VFB = 0 V
1
mA
IEAOM
Output sink current
VFB = 2 V
1
SHORT CIRCUIT PROTECTION
tPSS(min)
Minimum pulse during short circuit(1)
250
ns
tBLNK
Blanking time(1)
60
90
120
tOFF
Off-time between restart attempts
30
50
ms
VILIM
Short circuit comparator threshold
voltage
RCOMP(GND) = OPEN, TJ = 25°C
160
200
240
mV
RCOMP(GND) = 4 kΩ, TJ = 25°C
80
100
120
RCOMP(GND) = 12 kΩ, TJ = 25°C
228
280
342
VILIMH
Short circuit threshold voltage on high-
side MOSFET
TJ = 25°C
400
550
650


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