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TPS51518 Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza TPS51518
Descripción Electrónicos  Single-Phase, D-CAP??and D-CAP2??Controller with 2-Bit Flexible VID Control
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS51518 Datasheet(HTML) 5 Page - Texas Instruments

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TPS51518
www.ti.com
SLUSAO8
– DECEMBER 2011
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, VV5IN= 5 V, VMODE= 5 V, VEN= 3.3 V (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
PGOOD COMPARATOR
PGOOD in from higher
108%
PGOOD in from lower
92%
VPGTH
PGOOD threshold
PGOOD out to higher
116%
PGOOD out to lower
84%
IPG
PGOOD sink current
VPGOOD = 0.5 V
6.0
mA
Delay for PGOOD in
1
ms
tPGDLY
PGOOD delay time
Delay for PGOOD out
0.2
μs
tPGCMPSS
PGOOD start-up delay time
PGOOD comparator wake up delay
1.5
ms
IPGLK
PGOOD leakage current
–1
0
1
μA
CURRENT DETECTION
ITRIP
TRIP source current
TA = 25°C, VTRIP = 0.4 V
9
10
11
μA
TRIP source current temperature
TCITRIP
4700
ppm/
°C
coefficient(1)
VTRIP
VTRIP voltage range
0.2
3
V
VTRIP = 3.0 V
360
375
390
VOCL
Current limit threshold
VTRIP = 1.6 V
190
200
210
mV
VTRIP = 0.2 V
20
25
30
VTRIP = 3.0 V
–390
–375
–360
VOCLN
Negative current limit threshold
VTRIP = 1.6 V
–212
–200
–188
mV
VTRIP = 0.2 V
–30
–25
–20
VZC
Zero cross detection offset
0
mV
PROTECTIONS
Wake-up
4.3
4.4
4.6
VUVLO
V5IN UVLO threshold voltage
V
Shutdown
3.8
4.0
4.2
VOVP
OVP threshold voltage
OVP detect voltage
118%
120%
122%
tOVPDLY
OVP propagation delay
With 100-mV overdrive
300
ns
VUVP
UVP threshold voltage
UVP detect voltage
66%
68%
70%
tUVPDLY
UVP delay
1
ms
tUVPENDLY
UVP enable delay
1.4
ms
THERMAL SHUTDOWN
Shutdown temperature
140
TSDN
Thermal shutdown threshold(1)
°C
Hysteresis
10
(1)
Ensured by design. Not production tested.
Copyright
© 2011, Texas Instruments Incorporated
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