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TPS61222MDCKTEP Datasheet(PDF) 3 Page - Texas Instruments

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Part # TPS61222MDCKTEP
Description  LOW INPUT VOLTAGE, 0.7-V BOOST CONVERTER WITH 5.5-A QUIESCENT CURRENT
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS61222MDCKTEP Datasheet(HTML) 3 Page - Texas Instruments

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TPS61222-EP
www.ti.com
SLVSBI2 – SEPTEMBER 2012
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
VIN
Supply voltage at VIN
0.7
5.5
V
TJ
Operating free air temperature range
–55
125
°C
ELECTRICAL CHARACTERISTICS
TJ = −55°C to 125°C, TJ = TA 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
VIN
Input voltage range
0.7
5.5
V
VIN
Minimum input voltage at startup
RLoad ≥ 150 Ω
0.7
V
VOUT
Output voltage (5 V)
VIN < VOUT
4.8
5
5.19
V
ILH
Inductor current ripple
200
mA
ISW
Switch current limit
VOUT = 5 V, VIN = 1.2 V
200
400
mA
RDSon_HSD
Rectifying switch on resistance
VOUT = 5 V
700
m
RDSon_LSD
Main switch on resistance
VOUT = 5 V
550
m
Line regulation
VIN < VOUT
0.5
%
Load regulation
VIN < VOUT
0.5
%
VIN
0.5
1.4
μA
Quiescent
IQ
IO = 0 mA, VEN = VIN = 1.2 V, VOUT = 5 V
current
VOUT
5
8.5
μA
Shutdown
ISD
VIN
VEN = 0 V, VIN = 1.2 V, VOUT ≥ VIN
0.2
0.96
μA
current
ILKG_L
Leakage current into L
VEN = 0 V, VIN = 1.2 V, VL = 1.2 V, VOUT ≥ VIN
0.01
0.3
μA
IEN
EN input current
Clamped on GND or VIN (VIN < 1.5 V)
0.005
0.13
μA
CONTROL STAGE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIL
EN input low voltage
VIN ≤ 1.5 V
0.15 × VIN
V
VIH
EN input high voltage
VIN ≤ 1.5 V
0.8 × VIN
V
VIL
EN input low voltage
5 V > VIN > 1.5 V
0.34
V
VIH
EN input high voltage
5 V > VIN > 1.5 V
1.28
V
VUVLO
Undervoltage lockout threshold for turn off
VIN decreasing
0.5
0.72
V
Overvoltage protection threshold
5.5
7.5
V
Overtemperature protection
140
°C
Overtemperature hysteresis
20
°C
Copyright © 2012, Texas Instruments Incorporated
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