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TPS61200_082 Fiches technique(PDF) 3 Page - Texas Instruments

No de pièce TPS61200_082
Description  LOW INPUT VOLTAGE SYNCHRONOUS BOOST CONVERTER WITH 1.3-A SWITCHES
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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TPS61200_082 Fiches technique(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
TPS61200
TPS61201
TPS61202
SLVS577B – MARCH 2007 – REVISED FEBRUARY 2008
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25
°C) (unless otherwise noted)
DC/DC STAGE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage range
0.3
5.5
V
VI
Minimum input voltage at startup
0.5
V
VO
TPS61200 output voltage range
1.8
5.5
V
VFB
TPS61200 feedback voltage
495
500
505
mV
VOUT
TPS61201 output voltage
VIN < VOUT, PS = 1
3.27
3.3
3.33
V
VOUT
TPS61202 output voltage
VIN < VOUT, PS = 1
4.95
5.0
5.05
V
f
Oscillator frequency
1250
1650
kHz
ISW
average switch current limit
VOUT = 3.3 V
1200
1350
1500
mA
Rectifying switch on resistance
VOUT = 3.3 V
180
m
Main switch on resistance
VOUT = 3.3 V
150
m
Line regulation
VIN < VOUT, PS = 1
0.1%
0.5%
Load regulation
VIN < VOUT, PS = 1
0.1%
0.5%
VIN
1
2
µA
IO = 0 mA, VEN = VIN = 1.2 V,
Quiescent current
VOUT
VOUT = 3.3 V, VAUX = 3.3 V
50
70
µA
PS = 0
VAUX
4
6
µA
VIN
0.5
1.5
µA
Shutdown current
VEN = 0 V, VIN = 1.2 V
VAUX
1
2
µA
Leakage current into L
VEN = 0 V, VIN = 1.2 V, VL = 1.2 V
0.01
1
µA
CONTROL STAGE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VAUX
Auxiliary Output Voltage
2.4
5.5
V
VIL
EN input low voltage
VIN < 0.8 V
0.1
× V
IN
V
VIH
EN input high voltage
VIN < 0.8 V
0.9
× V
IN
V
VIL
EN input low voltage
0.8 V
≤ VIN ≤ 1.5 V
0.2
× V
IN
V
VIH
EN input high voltage
0.8 V
≤ VIN ≤ 1.5 V
0.8
× V
IN
V
VIL
EN input low voltage
VIN > 1.5 V
0.4
V
VIH
EN input high voltage
VIN > 1.5 V
1.2
V
VIL
PS input low voltage
0.4
V
VIH
PS input high voltage
1.2
V
EN, PS input current
Clamped on GND or VIN (VIN < 1.5 V)
0.01
0.1
µA
VUVLO
Undervoltage lockout threshold for
VUVLO decreasing
235
250
265
mV
turn off
VUVLO
Undervoltage lockout threshold for
VUVLO increasing
330
350
370
mV
turn on
UVLO input current
VUVLO = 0.5 V
0.3
µA
Overvoltage protection threshold
5.5
7
V
Overtemperature protection
140
°C
Overtemperature hysteresis
20
°C
Copyright © 2007–2008, Texas Instruments Incorporated
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Product Folder Link(s): TPS61200 TPS61201 TPS61202


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