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SWCS049B Scheda tecnica(PDF) 27 Page - Texas Instruments

Il numero della parte SWCS049B
Spiegazioni elettronici  Integrated Power Management Unit Top Specification
PDF  119 Pages
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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SWCS049B Scheda tecnica(HTML) 27 Page - Texas Instruments

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TPS659110, TPS659112, TPS659113
TPS659114, TPS659118, TPS6591133
www.ti.com
SWCS049Q – JUNE 2010 – REVISED MARCH 2016
Submit Documentation Feedback
Product Folder Links: TPS659110 TPS659112 TPS659113 TPS659114 TPS659118 TPS6591133
Specifications
Copyright © 2010–2016, Texas Instruments Incorporated
VDDCtrl SMPS (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DUTY AND FREQUENCY CONTROL
tOFF(min)
Minimum off-time
TA = 25°C
150
260
400
ns
tON(min)
Minimum on-time
VIN = 28 V, VOUT = 0.6 V, TA = 25°C
Specified by design. Not production tested.
86
fSW
Switching frequency
TA = 25°C
312
340
368
kHz
SOFTSTART
tss
Internal SS time
From V(EN) = high to VOUT = 95%
0.9
ms
PROTECTION: CURRENT SENSE
V(TRIP)
TRIP source current
V(TRIP) = 1 V, TA = 25°C
9
10
11
µA
TRIP current temperature
coefficient
On the basis of 25°C
4700
ppm/°C
V(TRIP)
Current limit threshold
setting range
V(TRIP-GND) Voltage
0.2
3
V
VOCL
Current limit threshold
V(TRIP) = 3 V
355
375
395
mV
V(TRIP) = 1.6 V
185
200
215
V(TRIP) = 0.2 V
17
25
33
VOCLN
Negative current limit
threshold
V(TRIP) = 3 V
–395
–375
–355
mV
V(TRIP) = 1.6 V
–215
–200
–185
V(TRIP) = 0.2 V
–33
–25
–17
Auto zero cross adjustable
range
Positive
3
15
mV
Negative
–15
–3
UVLO
V5IN UVLO threshold
Wake up
4.2
4.38
4.5
V
Shutdown
3.7
3.93
4.1
THERMAL SHUTDOWN
TSDN
Thermal shutdown threshold
Shutdown temperature
Specified by design. Not production tested.
145
°C
Hysteresis
Specified by design. Not production tested.
10



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