Texas Instruments TPS65270 High Current, Synchronous Step Down Dual Buck DC/DC Converter Evaluation Module TPS65270QEVM TPS65270QEVM Datenbogen
Produktcode
TPS65270QEVM
Power-Up Procedure
5.2
Jumpers
Table 2. Jumpers
JUMPER
FUNCTION
PLACEMENT
COMMENT
NO.
Connect EN1 to GND to disable V
OUT1
,
JP1
BUCK1 enable (EN1)
connect EN1 to V
IN
to enable V
OUT1
;
Leave open to enable V
OUT1
Connect EN2 to GND to disable V
OUT2
,
JP2
BUCK2 enable (EN2)
connect EN2 to V
IN
to enable V
OUT2
;
Leave open to enable V
OUT2
Connect LOW_P to GND to enter forced PWM
Low Power Mode
JP3
mode; Connect LOW_P to V
CC
to enter
Cannot leave open
(LOW_P)
automatic PSM/PWM mode
6
Power-Up Procedure
1. Apply 4.5 V - 16 V to J3.
2. Toggle JP1 or JP2 to enable V
OUT1
and V
OUT2
respectively.
3. Apply loads to the output connectors.
10
List of Tables
SLVU474B
–
August 2011
–
Revised December 2011
Copyright
©
2011, Texas Instruments Incorporated