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TPS61087DRC Datasheet(PDF) 3 Page - Texas Instruments

No. de pieza TPS61087DRC
Descripción Electrónicos  650 kHz/1.2 MHz, 18.5 V STEP-UP DC-DC CONVERTER WITH 3.2 A SWITCH
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61087DRC Datasheet(HTML) 3 Page - Texas Instruments

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TPS61087
www.ti.com
SLVS821C – MAY 2008 – REVISED JULY 2013
ELECTRICAL CHARACTERISTICS
VIN = 5 V, EN = VIN, VS = 15 V, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
VIN
Input voltage range
2.5
6
V
IQ
Operating quiescent current into IN
Device not switching, VFB = 1.3 V
75
100
μA
ISDVIN
Shutdown current into IN
EN = GND
1
μA
VUVLO
Under-voltage lockout threshold
VIN falling
2.4
V
VIN rising
2.5
V
TSD
Thermal shutdown
Temperature rising
150
°C
TSDHYS
Thermal shutdown hysteresis
14
°C
LOGIC SIGNALS EN, FREQ
VIN = 2.5 V to 6.0 V
2
VIH
High level input voltage
V
only valid for EN, VIN = 2.5 V to 4.3 V
1.6
VIL
Low level input voltage
VIN = 2.5 V to 6.0 V
0.5
V
IINLEAK
Input leakage current
EN = FREQ = GND
0.1
μA
BOOST CONVERTER
VIN +
VS
Boost output voltage
18.5
V
0.5
VFB
Feedback regulation voltage
1.230
1.238
1.246
V
gm
Transconductance error amplifier
107
μA/V
IFB
Feedback input bias current
VFB = 1.238 V
0.1
μA
VIN = VGS = 5 V, ISW = current limit
0.13
0.18
rDS(on)
N-channel MOSFET on-resistance
VIN = VGS = 3V, ISW = current limit
0.16
0.23
ISWLEAK
SW leakage current
EN = GND, VSW = VIN = 6.0V
2
μA
ILIM
N-Channel MOSFET current limit
3.2
4.0
4.8
A
ISS
Soft-start current
VSS = 1.238 V
7
10
13
μA
FREQ = VIN
0.9
1.2
1.5
MHz
fS
Oscillator frequency
FREQ = GND
480
650
820
kHz
Line regulation
VIN = 2.5 V to 6.0 V, IOUT = 10 mA
0.0002
%/V
Load regulation
VIN = 5.0 V, IOUT = 1 mA to 1 A
0.11
%/A
Copyright © 2008–2013, Texas Instruments Incorporated
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