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TPS40200 Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza TPS40200
Descripción Electrónicos  TPS40200 Wide Input Range Non-Synchronous Voltage Mode Controller
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS40200 Datasheet(HTML) 5 Page - Texas Instruments

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TPS40200
www.ti.com
SLUS659G – FEBRUARY 2006 – REVISED NOVEMBER 2014
6.5 Electrical Characteristics
–40°C < TA = TJ < 85°C, VDD = 12 V, fOSC = 100 kHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOLTAGE REFERENCE
COMP = FB, TA = 25°C
689
696
702
TA = 25°C
686
696
703
VFB
Feedback voltage
mV
4.5 < VDD < 52
–40°C < TA < 85°C
679
696
708
–40°C < TA < 125°C
679
696
710
GATE DRIVER
Isrc
Gate driver pull-up current
125
300
mA
Isnk
Gate driver pull-down current
200
300
mA
VGATE
Gate driver output voltage
VGATE = (VDD – VGDRV), for 12 < VDD < 52
6
8
10
V
QUIESCENT CURRENT
Iqq
Device quiescent current
f OSC = 300 kHz, Driver not switching, 4.5 < VDD < 52
1.5
3.0
mA
UNDERVOLTAGE LOCKOUT (UVLO)
VUVLO(on)
Turn-on threshold
–40°C < TA < 125°C
3.8
4.25
4.5
V
VUVLO(off)
Turn-off threshold
4.05
VUVLO(HYST) Hysteresis
110
200
275
mV
SOFT-START
Internal soft-start pull-up
65
105
170
RSS(chg)
resistance
k
Internal soft-start pull-down
190
305
485
RSS(dchg)
resistance
VSSRST
Soft-start reset threshold
100
150
200
mV
OVERCURRENT PROTECTION
0°C < TA < 125°C
65
100
140
VILIM
Overcurrent threshold
4.5 < VDD < 52
mV
–40°C < TA < 125°C
55
100
140
OCDF
Overcurrent duty cycle(1)
2%
VILIM(rst)
Overcurrent reset threshold
100
150
200
mV
OSCILLATOR
Oscillator frequency range(1)
35
500
fOSC
RRC = 200 kΩ, CRC = 470 pF
85
100
115
kHz
Oscillator frequency
RRC = 68.1 kΩ, CRC = 470 pF
255
300
345
12 V < VDD < 52 V
-9%
0%
Frequency line regulation
4.5 V < VDD < 12 V
–20%
0%
VRMP
Ramp amplitude
4.5 V < VDD < 52 V
VDD÷10
V
(1)
Ensured by design. Not production tested.
Copyright © 2006–2014, Texas Instruments Incorporated
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