TPS62095_15 Datasheet, PDF (1/27 Pages) Texas Instruments – TPS62095 4A, High Efficiency Step Down Converter with DCS-Control™ and Low Profile Solution

Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
TPS62095
SLVSBD8A – APRIL 2014 – REVISED MAY 2014
TPS62095 4A, High Efficiency Step Down Converter with DCS-Control™ and Low Profile
Solution
1 Features
•1 DCS-Control™ Topology
• Pin-to-Pin Compatible with TPS62090
• Supports 1.2mm Height Total Solution
• 95% Converter Efficiency
• 20µA Operating Quiescent Current
• 2.5V to 5.5V Input Voltage Range
• Power Save Mode
• Two Level Short Circuit Protection
• 100% Duty Cycle for Lowest Dropout
• Output Discharge Function
• Adjustable Soft Startup
• Output Voltage Tracking
• 0.8V to V_IN Adjustable Output Voltage
• 3mm x 3mm 16-Pin VQFN Package
2 Applications
• Notebooks, Computers
• Solid State Drives
• Hard Disk Drives
• Processor Supply
• Battery Powered Applications
1.8V Output Application
Vin
2.5V to 5.5V
C1
22mF
TPS62095
12
PVIN
1
SW
11
PVIN
2
SW
10 _AVIN
16
VOS
3 _DEF
FB ⁵
C3
10nF
13 _EN
7
CP
PG ⁴
SS ⁹
8 _CN
AGND ⁶
PGND PGND
14 15
L1
1mH
C4
10nF
R1
200k
Vout
1.8V/4A
C2
2x22mF
R2
160k
R3
500k
Power Good
3 Description
The TPS62095 device is a high frequency
synchronous step down converter optimized for small
solution size, high efficiency and suitable for battery
powered applications. To maximize efficiency, the
converter operates in PWM mode with a nominal
switching frequency of 1.4MHz and automatically
enters Power Save Mode operation at light load
currents. When used in distributed power supplies
and point of load regulation, the device allows voltage
tracking to other voltage rails and tolerates output
capacitors up to 150µF and beyond. Using the DCS-
Control™ topology, the device achieves excellent
load transient performance and accurate output
voltage regulation.
The output voltage startup ramp is controlled by the
soft startup pin, which allows operation as either a
standalone power supply or in tracking configurations.
Power sequencing is also possible by configuring the
EN and PG pins. In Power Save Mode, the device
operates with typically 20µA quiescent current. Power
Save Mode is entered automatically and seamlessly
maintaining high efficiency over the entire load
current range.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS62095
VQFN (16)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
1.8V Output Application Efficiency
100
90
80
70
60
0.001
V_IN = 2.5 V
V_IN = 3.3 V
V_IN = 4.2 V
V_IN = 5.0 V
0.01
0.1
Load (A)
1
5
D001
1
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. PRODUCTION DATA.