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TPS630241YFFT Datasheet(PDF) 6 Page - Texas Instruments

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No. de Pieza. TPS630241YFFT
Descripción  High Current, High Efficiency Single Inductor Buck-Boost Converter
Descarga  29 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS630241YFFT Datasheet(HTML) 6 Page - Texas Instruments

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TPS63024
TPS630241, TPS630242
SLVSCK8A – NOVEMBER 2014 – REVISED DECEMBER 2014
www.ti.com
8.5 Electrical Characteristics
VIN=2.3V to 5.5V, TJ= –40°C to 125°C, typical values are at TA=25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
SUPPLY
VIN
Input voltage range
2.3
5.5
V
VIN_Min
Minimum input voltage to turn on into full load
RLOAD= 2.2Ω
2.7
V
VIN
IOUT=0mA, EN=VIN=3.6V,
35
70
μA
IQ
Quiescent current
VOUT=3.3V TJ=-40°C to 85°C,
VOUT
12
μA
not switching
Isd
Shutdown current
EN=low, TJ=-40°C to 85°C
0.1
2
μA
Under voltage lockout threshold
VIN falling
1.6
1.7
2
V
UVLO
Under voltage lockout hysteresis
70
mV
Thermal shutdown
Temperature rising
140
°C
LOGIC SIGNALS EN, PFM/PWM
VIH
High level input voltage
VIN=2.3V to 5.5V
1.2
V
VIL
Low level input voltage
VIN=2.3V to 5.5V
0.4
V
Ilkg
Input leakage current
PFM/PWM, EN=GND or VIN
0.01
0.2
μA
OUTPUT
VOUT
Output Voltage range
2.5
3.6
V
VFB
Feedback regulation voltage
TPS63024
0.8
V
VFB
Feedback voltage accuracy
PWM mode, TPS63024
-1%
1%
VFB
Feedback voltage accuracy (1)
PFM mode, TPS63024
-1%
1.3%
+3%
VOUT
Output voltage accuracy
PWM mode, TPS630241
2.871
2.9
2.929
V
VOUT
Output voltage accuracy(1)
PFM mode, TPS630241
2.871
2.938
2.987
V
VOUT
Output voltage accuracy
PWM mode, TPS630242
3.267
3.3
3.333
V
VOUT
Output voltage accuracy(1)
PFM mode, TPS630242
3.267
3.343
3.399
V
IPWM/PFM
Output current to enter PFM mode
VIN =3V; VOUT = 3.3V
350
mA
IFB
Feedback input bias current
VFB = 0.8V
10
100
nA
High side FET on-resistance
VIN=3.0V, VOUT=3.3V
35
m
RDS_Buck(on)
Low side FET on-resistance
VIN=3.0V, VOUT=3.3V
50
m
High side FET on-resistance
VIN=3.0V, VOUT=3.3V
25
m
RDS_Boost(on)
Low side FET on-resistance
VIN=3.0V, VOUT=3.3V
50
m
VIN=3.0V, VOUT=3.3V TJ= 25°C
IIN
Average input current limit (2)
2.12
3
3.54
A
to 125°C
fs
Switching Frequency
2.5
MHz
RON_DISC
Discharge ON-Resistance
EN=low
120
mV/
Line regulation
VIN=2.8V to 5.5V, IOUT=1.5A
7.4
V
mV/
Load regulation
VIN=3.6V,IOUT=0A to 1.5A
2.5
A
(1)
Conditions: L=1 µH, COUT= 2 × 22µF.
(2)
For variation of this parameter with Input voltage and temperature see Figure 5. To calculate minimum output current in a specific
working point see Figure 5 and Equation 1 trough Equation 4.
6
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Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: TPS630241 TPS630242


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