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TPS62000-HT Datasheet(PDF) 2 Page - Texas Instruments

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No. de Pieza. TPS62000-HT
Descripción  HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER
Descarga  22 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS62000-HT Datasheet(HTML) 2 Page - Texas Instruments

 
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VIN
10 mH
EN
SYNC
GND
FC
PGND
FB
L
TPS6200x
10 mF
VO =0.8V
toVI
0.1 mF
10 mF
VI =2V
to5.5V
With VO 1.8 V;Co =10 mF,VO <1.8V;Co =47 mF
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
IO − LoadCurrent − mA
VI =3.6V,
VO =2.5V
SYNC=Low
SYNC=High
EFFICIENCY
vs
LOADCURRENT
DESCRIPTION (CONTINUED)
HKKPACKAGE
(TOP VIEW)
PGND
L
EN
SYNC
VIN
FC
GND
NC
1
2
3
4
10
9
8
7
4
NC
FB
6
5
TPS62000-HT
SLVS917A – MARCH 2009 – REVISED JUNE 2009 .......................................................................................................................................................... www.ti.com
Figure 1.
Figure 2. Typical Application Circuit for Fixed Output
Voltage Option
The TPS62000 is a synchronous current-mode PWM converter with integrated N- and P-channel power
MOSFET switches. Synchronous rectification is used to increase efficiency and to reduce external component
count. To achieve the highest efficiency over a wide load current range, the converter enters a power-saving
pulse-frequency modulation (PFM) mode at light load currents. Operating frequency is typically 750 kHz, allowing
the use of small inductor and capacitor values. The device can be synchronized to an external clock signal in the
range of 500 kHz to 1 MHz. For low-noise operation, the converter can be operated in the PWM mode and the
internal antiringing switch reduces noise and EMI. In the shutdown mode, the current consumption is reduced to
less than 1
µA. The TPS62000-HT is available in the 10-pin (HKK). The dvice operates a free-air temperature
range of –55°C to 210°C.
AVAILABLE OPTIONS(1)
TA
VOLTAGE OPTIONS
PACKAGE(2)
ORDERING PART NUMBER
KGD
TPS62000SKGD1
–55°C to 210°C
Adjustable
HKK
TPS62000SHKK
(1)
For the most current package and ordering information, see the Package Option Addendum at the end
of this document, or see the TI web site at www.ti.com.
(2)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
2
Submit Documentation Feedback
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS62000-HT


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