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TPS61220 Datasheet(PDF) 4 Page - Texas Instruments

Part # TPS61220
Description  TPS6122x Low Input Voltage, 0.7V Boost Converter With 5.5關A Quiescent Current
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS61220 Datasheet(HTML) 4 Page - Texas Instruments

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TPS61220, TPS61221, TPS61222
SLVS776B – JANUARY 2009 – REVISED NOVEMBER 2014
www.ti.com
8.3 Recommended Operating Conditions
MIN
NOM
MAX
UNIT
VIN
Supply voltage at VIN
0.7
5.5
V
TJ
Operating virtual junction temperature
–40
125
°C
8.4 Thermal Information
TPS6122x
THERMAL METRIC(1)
DCK
UNIT
6 PINS
RθJA
Junction-to-ambient thermal resistance
231.2
RθJCtop
Junction-to-case (top) thermal resistance
61.8
RθJB
Junction-to-board thermal resistance
78.8
°C/W
ψJT
Junction-to-top characterization parameter
2.2
ψJB
Junction-to-board characterization parameter
78.0
RθJCbot
Junction-to-case (bottom) thermal resistance
n/a
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
8.5 Electrical Characteristics
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25°C) (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
DC/DC STAGE
VIN
Input voltage
0.7
5.5
V
VIN
Minimum input voltage at startup
RLoad ≥ 150 Ω
0.7
V
VOUT
TPS61220 output voltage
VIN < VOUT
1.8
6.0
V
VFB
TPS61220 feedback voltage
483
500
513
mV
VOUT
TPS61221 output voltage (3.3 V)
VIN < VOUT
3.20
3.30
3.41
V
VOUT
TPS61222 output voltage (5 V)
VIN < VOUT
4.82
5.00
5.13
V
ILH
Inductor current ripple
200
mA
VOUT = 3.3 V, VIN = 1.2 V, TA = 25°C
240
400
mA
ISW
switch current limit
VOUT = 3.3 V
200
400
mA
VOUT = 3.3 V
1000
m
RDSon_HSD
Rectifying switch on resistance
VOUT = 5.0 V
700
m
VOUT = 3.3 V
600
m
RDSon_LSD
Main switch on resistance
VOUT = 5.0 V
550
m
Line regulation
VIN < VOUT
0.5%
Load regulation
VIN < VOUT
0.5%
VIN
0.5
0.9
μA
IQ
Quiescent current
IO = 0 mA, VEN = VIN = 1.2 V, VOUT = 3.3 V
VOUT
5
7.5
μA
ISD
Shutdown current
VIN
VEN = 0 V, VIN = 1.2 V, VOUT ≥ VIN
0.2
0.5
μA
ILKG_VOUT
Leakage current into VOUT
VEN = 0 V, VIN = 1.2 V, VOUT = 3.3 V
1
μA
ILKG_L
Leakage current into L
VEN = 0 V, VIN = 1.2 V, VL = 1.2 V, VOUT ≥ VIN
0.01
0.2
μA
IFB
TPS61220 Feedback input current
VFB = 0.5 V
0.01
μA
IEN
EN input current
Clamped on GND or VIN (VIN < 1.5 V)
0.005
0.1
μA
CONTROL STAGE
VIL
EN input low voltage
VIN ≤ 1.5 V
0.2 × 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
0.4
V
VIH
EN input high voltage
5 V > VIN > 1.5 V
1.2
V
4
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Copyright © 2009–2014, Texas Instruments Incorporated
Product Folder Links: TPS61220 TPS61221 TPS61222


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