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TPS61070DDCRG4 Datasheet(PDF) 3 Page - Texas Instruments

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No. de Pieza. TPS61070DDCRG4
Descripción  90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH
Descarga  25 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61070DDCRG4 Datasheet(HTML) 3 Page - Texas Instruments

 
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ELECTRICAL CHARACTERISTICS
TPS61070, TPS61071
TPS61072, TPS61073
SLVS510B – JULY 2006 – REVISED MAY 2007
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
Minimum input voltage range for
start-up
RL = 270 Ω
1.1
1.2
(TPS61070, TPS61071, TPS61072)
Minimum input voltage range for
RL = 270 Ω
2.3
start-up (TPS61073)
VI
V
Input voltage range, after start-up
TA = 25°C
0.9
5.5
(TPS61070, TPS61071, TPS61072)
Input voltage range, after start-up
2.3
5.5
(TPS61073)
Output voltage range (TPS61070,
1.8
5.5
TPS61071, TPS61072)
VO
V
Output voltage range (TPS61073)
2.3
5.5
V(FB)
Feedback voltage
495
500
505
mV
Oscillator frequency (TPS61070,
960
1200
1440
TPS61071, TPS61073)
f
kHz
Oscillator frequency (TPS61072)
480
600
720
I(SW)
Switch current limit
VOUT= 3.3 V
500
600
700
mA
Start-up current limit
0.5
× I
SW
mA
Boost switch-on resistance
VOUT= 3.3 V
480
m
Rectifying switch-on resistance
VOUT= 3.3 V
600
m
Total accuracy (including line and
3%
load regulation)
Line regulation
1%
Load regulation
1%
Quiescent current
VBAT
0.5
1
µA
IO = 0 mA, V(EN) = VBAT = 1.2 V,
(TPS61070, TPS61071,
VOUT = 3.3 V, TA = 25°C
VOUT
19
30
µA
TPS61072)
VBAT
1
1.5
µA
Quiescent current
IO = 0 mA, V(EN) = 1.8 V, VBAT = 2.4 V,
(TPS61073)
VOUT = 5 V, TA = 25°C
VOUT
30
50
µA
Shutdown current (TPS61070,
V(EN) = 0 V, VBAT = 1.2 V, TA = 25°C
0.05
0.5
µA
TPS61071, TPS61072)
Shutdown current (TPS61073)
V(EN) = 0 V, VBAT = 3.6 V, TA = 25°C
0.05
1.5
µA
CONTROL STAGE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(UVLO)
Undervoltage lockout threshold
V(BAT) voltage decreasing
0.8
V
EN input low voltage
0.2
× VBAT
(TPS61070, TPS61071, TPS61072)
VIL
EN input low voltage (TPS61073)
0.4
V
EN input high voltage
0.8
× VBAT
(TPS61070, TPS61071, TPS61072)
VIH
EN input high voltage (TPS61073)
1.2
V
EN input current
Clamped on GND or VBAT
0.01
0.1
µA
(TPS61070, TPS61071, TPS61072)
EN input current (TPS61073)
Clamped on GND or VBAT
0.01
0.3
µA
Overtemperature protection
140
°C
Overtemperature hysteresis
20
°C
3
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