TPS65000-Q1 Datasheet, PDF (1/25 Pages) Texas Instruments – 2.25-MHz Step-Down Converter With Dual LDOs and SVS

TPS65000-Q1
www.ti.com
SLVSC45A – AUGUST 2013 – REVISED OCTOBER 2013
2.25-MHz Step-Down Converter With Dual LDOs and SVS
Check for Samples: TPS65000-Q1
FEATURES
1
• Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following
Results:
– Device Temperature Grade 2:
–40°C to 105°C Ambient Operating
Temperature Range
– Device HBM ESD Classification Level H2
– Device CDM ESD Classification Level C4B
• Step-Down Converters:
– V_IN Range From 2.3 V to 6 V
– Spread-Spectrum Clock (SSC) Generation
for Reduced EMI
– 2.25-MHz Fixed-Frequency Operation
– 600-mA Output Current
• LDOs:
– V_IN Range From 1.6 V to 6 V
– Adjustable Output Voltage
– Up to 300-mA Output Current
– Separate Power Inputs and Enables
• 3-mm × 3-mm 16-Pin QFN
APPLICATIONS
• Automotive
• Point of Load
• Embedded Processor Power
• Cell Phones, Smart-Phones
• PDAs, Pocket PCs
• Portable Media Players
DESCRIPTION
The TPS65000-Q1 is a single-chip power-
management IC for portable applications. This device
combines a single step-down converter with two low-
dropout regulators. The step-down converter enters a
low-power mode at light load for maximum efficiency
across the widest possible range of load currents. For
low-noise applications, the device can be forced into
fixed-frequency PWM through a pin. The step-down
converter allows the use of a small inductor and
capacitors to achieve a small solution size. The step-
down converter has a power-good status output that
can be used for sequencing. The LDOs are capable
of supplying 300 mA, and can operate with an input
voltage range between 1.6 V and 6 V, allowing them
to be supplied from the step-down converter or
directly from the main battery. The step-down
converter and the LDOs have separate voltage inputs
and enables, allowing for design and sequencing
flexibility.
The TPS65000-Q1 is available in a 16-pin leadless
package (3-mm × 3-mm QFN).
V_IN
VDCDC
10mF
P
TPS65000-Q1
Oscillator
SSCG
EN_DCDC
VINDCDC
Step-Down
600mA
SW
FB_DCDC
A
MODE
PG
2.2mH
680W
150kW
A
22pF
10mF
P
470kW
EN_LDO1
VINLDO1
EN_LDO2
VINLDO2
AGND
A
LDO1
300mA
LDO2
300mA
VLDO1
FB_LDO1
VLDO2
FB_LDO2
PGND
Bandgap Reference
470kW
180kW
A
820kW
180kW
P
A
10mF
P
10mF
P
TPS65000-Q1 Function/Pin
VDCDC
3.3V
V_IN
PG
VLDO1
1.8V
VLDO2
2.8V
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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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2013, Texas Instruments Incorporated