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TPS40210-HT Datasheet(PDF) 4 Page - Texas Instruments

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No. de pieza TPS40210-HT
Descripción Electrónicos  5.5-V TO 52-V INPUT, CURRENT-MODE BOOST CONTROLLER
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS40210-HT Datasheet(HTML) 4 Page - Texas Instruments

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TPS40210-HT
SLVSAD8 – JUNE 2010
www.ti.com
ELECTRICAL CHARACTERISTICS
TJ = –55°C to 210°C, VVDD= 12 Vdc, all parameters at zero power dissipation (unless otherwise noted)
TA = –55°C to 125°C
TA = 210°C
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
Voltage Reference
Feedback voltage
COMP = FB,
VFB
686
700
720
686
702
725
mV
range
5.5
≤ VVDD ≤ 52 V
Input Supply
VVDD
Input voltage range
4.5
52
5.5
52
V
5.5
≤ VVDD ≤ 52 V, no switching, VDIS < 0.8
1.5
2.5
1.5
3
mA
IVDD
Operating current
2.5
≤ VDIS ≤ 7 V
10
20
23
90
mA
VVDD < VUVLO(on), VDIS < 0.8
430
530
460
700
mA
Undervoltage Lockout (UVLO)
Turn on threshold
VUVLO(on)
4
4.25
4.50
4.60
V
voltage
VUVLO(hyst) UVLO hysteresis
140
195
240
195
mV
Oscillator
Oscillator frequency
35
1000
35
1000
range(1)
fOSC
kHz
Oscillator frequency
RRC = 200 kΩ, CRC = 470 pF
260
300
340
260
300
400
Frequency line
5.5
≤ VDD ≤ 52 V
–20
7
–20
7
%
regulation
Slope compensation
VSLP
520
620
720
480
640
750
mV
ramp
PWM
VVDD = 12 V
(1)
275
400
500
tON(min)
Minimum pulse width
ns
VVDD = 30 V
90
200
120
tOFF(min)
Minimum off time
170
200
100
ns
VVLY
Valley voltage
1.2
V
Soft-Start
Offset voltage from
VSS(ofst)
SS pin to error
700
700
mV
amplifier input
Soft-start charge
RSS(chg)
320
450
600
305
375
600
k
resistance
Soft-start discharge
RSS(dchg)
840
1200
1600
700
968
1600
k
resistance
Error Amplifier
Unity gain bandwidth
GBWP
1.5
3
1.5
3
MHz
product(1)
AOL
Open loop gain(1)
60
80
dB
Input bias current
IIB(FB)
111
300
65
nA
(current out of FB pin)
ICOMP(src)
Output source current VFB = 0.6 V, VCOMP = 1 V
100
265
100
280
mA
ICOMP(snk)
Output sink current
VFB = 1.2 V, VCOMP = 1 V
1.2
2.3
0.9
1.3
mA
Overcurrent Protection
Overcurrent detection
VISNS(oc)
threshold (at ISNS
5.5
≤ VDD < 52 V, –55°C ≤ TJ ≤ 210°C
120
150
180
120
150
180
mV
pin)
Overcurrent duty
DOC
2
2
%
cycle(1)
(1)
Specified by design
4
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Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS40210-HT


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