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TPS61089RNRR Fiches technique(PDF) 5 Page - Texas Instruments

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No de pièce TPS61089RNRR
Description  TPS61089x 12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

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TPS61089, TPS610891
www.ti.com
SLVSD38B – NOVEMBER 2015 – REVISED JULY 2016
Product Folder Links: TPS61089 TPS610891
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
7.5 Electrical Characteristics
VIN = 2.7 V to 5.5 V, VOUT = 9 V, TJ = –40°C to 125°C. Typical values are at TJ = 25°C, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
POWER SUPPLY
VIN
Input voltage range
2.7
12
V
VIN_UVLO
Input voltage undervoltage lockout
(UVLO) threshold
VIN rising
2.7
V
VIN falling
2.4
2.5
V
VIN_HYS
VIN UVLO hysteresis
200
mV
VCC
VCC regulation voltage
ICC = 2 mA, VIN = 8 V
5.8
V
VCC_UVLO
VCC UVLO threshold
VCC falling
2.1
V
IQ
Quiescent current into VIN pin
IC enabled, No load, VIN = 2.7 V to 5.5 V, VFB =
1.3 V, VOUT = 12 V, TJ ≤ 85°C
1
3
µA
Quiescent current into VOUT pin
IC enabled, No load, VIN = 2.7 V to 5.5 V, VFB =
1.3 V, VOUT = 12 V, TJ ≤ 85°C
100
180
µA
ISD
Shutdown current into VIN pin
IC disabled, VIN = 2.7 V to 5.5 V, TJ ≤ 85°C
1
3
µA
OUTPUT
VOUT
Output voltage range
4.5
12.6
V
VREF
Reference voltage at FB pin
PWM mode
1.188
1.212
1.236
V
PFM mode
1.224
V
IFB_LKG
Leakage current into FB pin
VFB = 1.2 V
100
nA
VOVP
Output overvoltage protection
threshold
VOUT rising
12.7
13.2
13.6
V
VOVP_HYS
Output overvoltage protection
hysteresis
VOUT falling below VOVP
0.25
V
tSS
Soft startup time
COUT(effective) = 47 µF, IOUT = 0 A
2
4
6
ms
ERROR AMPLIFIER
ISINK
COMP pin sink current
VFB = VREF + 200 mV, VCOMP = 1.9 V
20
µA
ISOURCE
COMP pin source current
VFB = VREF – 200 mV, VCOMP = 1.9 V
20
µA
VCCLP_H
High clamp voltage at the COMP pin
VFB = 1 V, RILIM = 127 kΩ
2.3
V
VCCLP_L
Low clamp voltage at the COMP pin
VFB = 1.4 V, RILIM = 127 kΩ
1.4
V
GEA
Error amplifier transconductance
VCOMP = 1.9 V
190
µS
POWER SWITCH
RDS(on)
High-side MOSFET on-resistance
VCC = 6 V
27
44
m
Low-side MOSFET on-resistance
VCC = 6 V
19
31
m
SWITCHING FREQUENCY
fSW
Switching frequency
RFSW = 301 kΩ
500
kHz
RFSW = 46.4 kΩ
2000
kHz
tON_min
Minimum on time
VCC = 6 V
90
180
ns
CURRENT LIMIT
ILIM
Peak switch current limit, TPS61089
RILIM = 127 kΩ
7.3
8.1
8.9
A
RILIM = 100 kΩ
9.0
10
11
A
VILIM
Internal reference voltage at ILIM pin
1.212
V
EN LOGIC INPUT
VEN_H
EN Logic high threshold
1.2
V
VEN_L
EN Logic Low threshold
0.4
V
REN
EN pulldown resistor
800
PROTECTION
TSD
Thermal shutdown threshold
TJ rising
150
°C
TSD_HYS
Thermal shutdown hysteresis
TJ falling below TSD
20
°C


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