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TLV62569DBV Datasheet(PDF) 1 Page - Texas Instruments

Part # TLV62569DBV
Description  2-A High Efficiency Synchronous Buck Converter in SOT Package
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TLV62569DBV Datasheet(HTML) 1 Page - Texas Instruments

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Load (A)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
60
65
70
75
80
85
90
95
100
D008
VOUT = 1.2 V
VOUT = 1.8 V
VOUT = 2.5 V
VOUT = 3.3 V
R1
200 k
R2
100 k
SW
GND FB
EN
PG
VIN
C3*
C2
10 µF
R3
499 k
C1
4.7 µF
VIN
2.5 V to 5.5 V
VPG
VOUT
1.8 V / 2.0 A
L1
2.2 µH
C3: Optional
TLV62569P
Copyright Ú 2016, Texas Instruments Incorporated
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION
DATA.
TLV62569, TLV62569P
SLVSDG1C – DECEMBER 2016 – REVISED OCTOBER 2017
TLV62569 2-A High Efficiency Synchronous Buck Converter in SOT Package
1
1 Features
1
Up to 95% Efficiency
Low RDS(ON) Switches 100 mΩ / 60 mΩ
2.5-V to 5.5-V Input Voltage Range
Adjustable Output Voltage from 0.6 V to VIN
Power Save Mode for Light Load Efficiency
100% Duty Cycle for Lowest Dropout
35-µA Operating Quiescent Current
1.5-MHz Typical Switching Frequency
Power Good Output
Over Current Protection
Internal Soft Startup
Thermal Shutdown Protection
Available in SOT Package
Pin-to-Pin Compatible with TLV62568
Create a Custom Design Using the TLV62569
With the WEBENCH® Power Designer
2 Applications
General Purpose POL Supply
Set Top Box
Network Video Camera
Wireless Router
Hard Disk Driver
3 Description
The TLV62569 device is a synchronous step-down
buck DC-DC converter optimized for high efficiency
and compact solution size. The device integrates
switches capable of delivering an output current up to
2 A.
At medium to heavy loads, the device operates in
pulse width modulation (PWM) mode with 1.5-MHz
switching
frequency.
At
light
load,
the
device
automatically enters Power Save Mode (PSM) to
maintain high efficiency over the entire load current
range. In shutdown, the current consumption is
reduced to less than 2 μA.
The TLV62569 provides an adjustable output voltage
via an external resistor divider. An internal soft start
circuit limits the inrush current during startup. Other
features
like
over
current
protection,
thermal
shutdown protection and power good are built-in. The
device is available in a SOT23 and SOT563 package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TLV62569DBV
SOT23 (5)
2.90 mm × 2.80 mm
TLV62569PDDC
SOT23 (6)
TLV62569DRL
SOT563 (6)
1.60 mm x 1.60 mm
TLV62569PDRL
SOT563 (6)
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Device Comparison
PART NUMBER
FUNCTION
MARKING
SYMBOL
TLV62569DBV
-
16AF
TLV62569PDDC
Power Good
7G
TLV62569DRL
-
19D
TLV62569PDRL
Power Good
19E
Simplified Schematic
Efficiency at 5-V Input Voltage


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