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TPS62001QDGSRQ1 Datasheet(PDF) 7 Page - Texas Instruments

Part # TPS62001QDGSRQ1
Description  HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62001QDGSRQ1 Datasheet(HTML) 7 Page - Texas Instruments

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TPS62000Q1, TPS62001Q1, TPS62002Q1, TPS62003Q1
TPS62004Q1, TPS62005Q1, TPS62006Q1, TPS62007Q1, TPS62008Q1
HIGHEFFICIENCY STEPDOWN LOW POWER DCDC CONVERTER
SGLS243A − APRIL 2004 − REVISED JUNE 2008
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltages on pin VIN and FC (see Note 1)
−0.3 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltages on pins EN, ILIM, SYNC, PG, FB, L (see Note 1)
−0.3 V to VIN + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . .
Peak switch current
1.6 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous power dissipation
See Dissipation Rating Table
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating junction temperature range, TJ
−40
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
−65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature (soldering, 10 sec)
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to network ground terminal.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
10 pin MSOP
555 mW
5.56 mW/
°C
305 mW
221 mW
NOTE: The thermal resistance junction to ambient of the 10-pin MSOP is 180
°C/W. The device will not
run into thermal limitations, provided it is operated within the specified range.
recommended operating conditions
MIN
TYP
MAX
UNIT
Supply voltage, VI
2
5.5
V
Output voltage range for adjustable output voltage version, VO
0.8
VI
V
Output current for 3-cell operation, IO (VI ≥ 2.5 V; L = 10 µH, f = 750 kHz)
600
mA
Output current for 2-cell operation, IO (VI ≥ 2 V; L = 10 µH, f = 750 kHz)
200
mA
Inductor, L (see Note 2)
10
µH
Input capacitor, Ci (see Note 2)
10
µF
Output capacitor, Co (see Note 2) VO ≥ 1.8 V)
10
µF
Output capacitor, Co (see Note 2) VO < 1.8 V)
47
µF
Operating junction temperature, TJ
-40
125
°C
NOTE 2: See the Application Information section for further information.
electrical characteristics over recommended operating free-air temperature range, VI = 3.6 V,
VO = 2.5 V, IO = 300 mA, EN = VIN, ILIM = VIN, TJ = −40°C to 125°C (unless otherwise noted)
supply current
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage range
IO = 0 mA to 600 mA
2.5
5.5
V
VI
Input voltage range
IO = 0 mA to 200 mA
2
5.5
V
I(Q)
Operating quiescent current
IO = 0 mA, SYNC = GND (PFM-mode enabled)
50
75
µA
I(SD)
Shutdown current
EN = GND
0.1
1
µA
enable
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
EN high-level input voltage
1.3
V
VIL
EN low level input voltage
0.4
V
Ilkg
EN input leakage current
EN = GND or VIN
0.01
0.1
µA
V(UVLO) Undervoltage lockout threshold
1.2
1.6
1.95
V


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