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TPS62101DG4 Fiches technique(PDF) 4 Page - Texas Instruments

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No de pièce TPS62101DG4
Description  MULTIMODE LOW-POWER BUCK CONVERTER
Download  25 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS62101DG4 Fiches technique(HTML) 4 Page - Texas Instruments

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TPS62100, TPS62101, TPS62102, TPS62103
MULTIMODE LOW POWER BUCK CONVERTER
SLUS446B – MAY 2000 – REVISED DECEMBER 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, TA = –40 C to
85 C, TA = TJ, typical values are at TA = 25 C, VIN = 7.2 V, MODE = 1 (constant frequency),
SD/SYNC = 0 V. (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input Supply Section
VIN operating range
2.5
7.2
9
V
VIN = 3.6 V,
not switching
625
900
µA
VIN supply current
(constant frequency mode)
VIN = 7.2 V,
not switching
650
915
µA
(constant frequency mode)
VIN = 9.0 V,
not switching
700
925
µA
VIN supply current
VIN = 3.6 V,
not switching
220
295
µA
VIN su
ly current
(burst mode)
VIN = 7.2 V,
not switching
250
370
µA
VIN supply current
VIN = 3.6 V
230
340
µA
VIN su
ly current
(sleep mode)
VIN = 7.2 V
190
275
µA
VIN = 7.2 V,
SD/SYNC = VIN
1
15
µA
VIN shutdown current
VIN = 7.2 V,
SD/SYNC = 4 V
2
25
µA
VIN shutdown current
VIN = 3.6 V,
SD/SYNC = 3.6 V
1
15
µA
Error Amplifier Section
FB input voltage
COMP = 0.5 V,
TA = 25°C
790
800
810
mV
FB voltage line requlation
TA = 25°C,
VIN = 2.8 V to 9 V
0.1
%/V
FB voltage line requlation
TA = 25°C,
VIN = 2.8 V to 2.5 V
0.5
%
FB input voltage
COMP = 0.5 V,
TA = 0°C to 70°C
784
800
816
mV
FB input voltage
COMP = 0.5 V,
TA = –40°C to 85°C
777
800
823
mV
FB input bias current
COMP = 0.5 V
100
500
nA
Open loop gain
COMP = 0.2 V to 0.5 V
50
80
130
dB
Unity gain BW
See Note 1
5
MHz
Maximum sinking current
250
500
µA
Maximum sourcing current
–500
–250
µA
COMP output high voltage
ICOMP = –10 µA
1.60
2.00
2.75
V
COMP output low voltage
ICOMP = 10 µA
250
500
mV
Soft-start time
1
5
9
ms
Light Load Detectors Section
FB VOFF threshold
778
808
838
mV
FB VON threshold
741
778
815
mV
FB VMODE threshold
725
762
799
mV
NOTE 1: Ensured by design. Not production tested.


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