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TPS62620YFF Datasheet(PDF) 1 Page - Texas Instruments

Part # TPS62620YFF
Description  600-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING
Download  28 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS62620YFF Datasheet(HTML) 1 Page - Texas Instruments

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CSP-6
1
FEATURES
DESCRIPTION
APPLICATIONS
VIN
SW
FB
MODE
EN
GND
VOUT
1.8V@600mA
C
2.2 F
I
m
TPS6262x
L
0.47 H
m
C
4.7 F
O
m
VBAT
2.3V..5.5V
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
I -LoadCurrent-mA
O
0
20
40
60
80
100
120
140
160
180
200
V =3.6V,
V =1.8V
I
O
Efficiency
PFM/PWMOperation
PowerLoss
PFM/PWMOperation
TPS62620
,, TPS62621
TPS62622, TPS62623
TPS62624, TPS62625
www.ti.com ............................................................................................................................................................... SLVS848A – JULY 2009 – REVISED JULY 2009
600-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
IN CHIP SCALE PACKAGING
23
• 90% Efficiency at 6MHz Operation
• 31µA Quiescent Current
The
TPS6262x
device
is
a
high-frequency
• Wide V
IN Range From 2.3V to 5.5V
synchronous step-down dc-dc converter optimized for
• 6MHz Regulated Frequency Operation
battery-powered portable applications. Intended for
low-power applications, the TPS6262x supports up to
• Best in Class Load and Line Transient
600mA load current, and allows the use of low cost
• ±2% Total DC Voltage Accuracy
chip inductor and capacitors.
• Automatic PFM/PWM Mode Switching
With a wide input voltage range of 2.3V to 5.5V, the
• Low Ripple Light-Load PFM Mode
device supports applications powered by Li-Ion
• Internal Soft Start, 120-µs Start-Up Time
batteries with extended voltage range. Different fixed
voltage output versions are available from 1.2V to
• Integrated Active Power-Down Sequencing
2.3V.
(Optional)
• Current Overload and Thermal Shutdown
The TPS6262x operates at a regulated 6-MHz
switching frequency and enters the power-save mode
Protection
operation at light load currents to maintain high
• Three Surface-Mount External Components
efficiency over the entire load current range.
Required (One MLCC Inductor, Two Ceramic
Capacitors)
The PFM mode extends the battery life by reducing
the quiescent current to 31
µA (typ) during light load
• Complete Sub 1-mm Component Profile
and
standby
operation.
For
noise-sensitive
Solution
applications, the device can be forced into fixed
• Total Solution Size <12 mm2
frequency PWM mode by pulling the MODE pin high.
• Available in a 6-Pin NanoFree™ (CSP)
In the shutdown mode, the current consumption is
reduced to less than 1
µA.
Regular and Ultra-Thin Packaging
The TPS6262x is available in an 6-pin chip-scale
package (CSP).
• Cell Phones, Smart-Phones
• WLAN, GPS and Bluetooth™ Applications
• DTV Tuner Applications
• DC/DC Micro Modules
Figure 1. Smallest Solution Size Application
Figure 2. Efficiency vs. Load Current
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
NanoFree is a trademark of Texas Instruments.
3
Bluetooth is a trademark of Bluetooth SIG, Inc.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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