Texas Instruments Evaluation Module for TPS22933A TPS22933AEVM-005 TPS22933AEVM-005 Datenbogen
Produktcode
TPS22933AEVM-005
Description
1
Description
The TPS22933AEVM-001 evaluation module helps designers evaluate the operation and performance of
the TPS22933A triple-input multiplexer with LDO. The board features the small 8-pin
the TPS22933A triple-input multiplexer with LDO. The board features the small 8-pin
µ
QFN package for a
small solution size. The TPS22933A LDO has one always on output (LOUT) and one switched output
(VOUT). VOUT is enabled through the EN pin. When VOUT is disabled, the internal quick output
discharge FET (QOD) is enabled to drain any residual voltage from the output.
(VOUT). VOUT is enabled through the EN pin. When VOUT is disabled, the internal quick output
discharge FET (QOD) is enabled to drain any residual voltage from the output.
Table 1. TPS22933A LDO Voltage Options
(1)
EVM
Device
LOUT (V)
HVL005
TPS22933A
3.6 V
(1)
Contact Factory for additional LDO output options.
1.1
Typical Applications
•
Hand-held devices with multiple input sources (such as a battery, a USB port and a DC In jack).
1.2
Features
•
Three integrated load switches automatically choose highest input
•
Integrated 3.6V fixed LDO (contact factory for other LDO voltages)
•
Switched and Always on LDO outputs
•
Small
µ
QFN package (1.5mm x 1.5mm)
•
Input voltage range 2.5V to 12V
•
Low ON-resistance (2.4
Ω
at 5V)
•
50mA max continuous current (split between LOUT and VOUT)
•
Low threshold control input (EN)
•
Switchover time 18
µ
s typical
•
Switchover voltage 150mV typical
2
Electrical Performance
Table 2. TPS22633AEVM-005 Electrical Performance
PARAMETER
TEST CONDITIONS
(1)
MIN
TYP
MAX
UNITS
Input Characteristics
Voltage range
2.5
12
V
Maximum input current
50
mA
Electrical Characteristics
Output voltage, LOUT
I
LOUT
= 10 mA, VIN = 4.2 V
3.6
V
Output voltage, VOUT
I
VOUT
= 10 mA, VIN = 4.2 V
3.6
V
ON resistance (Input to CAP)
VIN = 5.0 V, IOUT = 10 mA
2.4
Ω
ON resistance (LDO to VOUT)
IOUT = 10 mA
1.3
Ω
Pull-down resistance (VOUT to GND)
EN = 0 V
63.8
Ω
Systems Characteristics
Switching Time
18
µ
s
Switching Voltage
VBAT = 4.2 V, VUSB rising from 4 V to 5 V
150
mV
(1)
VIN = highest of BAT, USB, DC_IN
2
Using the TPS22933AEVM-005 Triple-Input Power Multiplexer with Auto-Select
SLVU589
–
October 2011
and Integrated LDO
Copyright
©
2011, Texas Instruments Incorporated