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TPS65023-Q1 Datasheet(PDF) 8 Page - Texas Instruments

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Part # TPS65023-Q1
Description  POWER MANAGEMENT IC FOR LI-ION POWERED SYSTEMS
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65023-Q1 Datasheet(HTML) 8 Page - Texas Instruments

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TPS65023-Q1
SLVS927D
– MARCH 2009 – REVISED SEPTEMBER 2011
www.ti.com
ELECTRICAL CHARACTERISTICS
VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 125°C, typical values are
at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDCDC2 STEP-DOWN CONVERTER
VI
Input voltage range, VINDCDC2
2.5
6
V
DEFDCDC2 = GND
1200
IO
Maximum output current
mA
VINDCDC2 = 3.6 V,
1000
3.3 V - 1%
≤ VDCDC2 ≤ 3.3 V + 1%
I(SD)
Shutdown supply current in VINDCDC2
DCDC2_EN = GND
0.1
1
μA
rDS(on)
P-channel MOSFET on-resistance
VINDCDC2 = V(GS) = 3.6 V
140
300
m
Ilkg
P-channel leakage current
VINDCDC2 = 6 V
2
μA
rDS(on)
N-channel MOSFET on-resistance
VINDCDC2 = V(GS) = 3.6 V
150
297
m
Ilkg
N-channel leakage current
V(DS) = 6 V
7
10
μA
Forward current limit
ILIMF
2.5 V
< VINDCDC2 < 6 V
1.7
1.94
2.2
A
(P-channel and N-channel)
fS
Oscillator frequency
1.95
2.25
2.55
MHz
VINDCDC2 = 2.5 V to 6 V,
VDCDC2 = 1.8 V
–2
2
0 mA
≤ IO ≤ 1.2 A
Fixed output voltage
%
FPWMDCDC2=0
VINDCDC2 = 3.7 V to 6 V,
VDCDC2 = 3.3 V
–1
1
0 mA
≤ IO ≤ 1.2 A
VINDCDC2 = 2.5 V to 6 V,
VDCDC2 = 1.8 V
–2
2
0 mA
≤ IO ≤ 1.2 A
Fixed output voltage
%
FPWMDCDC2=1
VINDCDC2 = 3.7 V to 6 V,
VDCDC2 = 3.3 V
–1
1
0 mA
≤ IO ≤ 1.2 A
Adjustable output voltage with resistor
VINDCDC2 = VDCDC2 + 0.3 V (min 2.5 V)
–2%
2%
divider at DEFDCDC2 FPWMDCDC2=0
to 6 V, 0 mA
≤ IO ≤ 1 A
Adjustable output voltage with resistor
VINDCDC2 = VDCDC2 + 0.3 V (min 2.5 V)
–1%
1%
divider at DEFDCDC2, FPWMDCDC2=1
to 6 V, 0 mA
≤ IO ≤ 1 A
VINDCDC2 = VDCDC2 + 0.3 V (min. 2.5 V)
Line Regulation
0
%/V
to 6 V, IO = 10 mA
Load Regulation
IO = 10 mA to 1000 mA
0.25
%/A
VDCDC2 ramping from 5% to 95% of target
Soft start ramp time
750
μs
value
Internal resistance from L2 to GND
1
M
VDCDC2 discharge resistance
DCDC2 discharge =1
300
8
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Copyright
© 2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS65023-Q1


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