W83L351 YG/YCG
Publication Date: May 22, 2008
-12- Revision 1.2
8. SWITCHING CHARACTERISTICS
TA = 25℃, VI (3.3VIN) = VI (AUXIN) = 3.3 V, VI (1.5VIN) = 1.5 V, VI (SHDN#), VI (STBY#) = 3.3 V, VI (CPPE#) = VI
(CPUSB#) = 0 V, VI (SYSRST) = 3.3 V, OC# and RCLKEN and PERST# are open, all voltage outputs
unloaded (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
3.3VIN to 3.3VOUT CL(3.3VOUT)=0.1uF, IO(3.3VOUT)=0A 0.1 6
AUXIN to AUXOUT CL(AUXVOUT)=0.1uF, IO(AUXOUT)=0A 0.1 6
1.5VIN to 1.5VOUT CL(1.5VOUT)=0.1uF, IO(1.5VOUT)=0A 0.1 6
3.3VIN to 3.3VOUT CL(3.3VOUT)=100uF, RL=VI(3.3VIN)/1A 0.1 6
AUXIN to AUXOUT CL(AUXVOUT)=100uF,
RL=VI(AUXININ)/0.250A 0.1 6
tr
Output rise times
1.5VIN to 1.5VOUT CL(1.5VOUT)=100uF,
RL=VI(1.5VIN)/0.500A 0.1 6
ms
3.3VIN to 3.3VOUT CL(3.3VOUT)=0.1uF, IO(3.3VOUT)=0A 10 150
AUXIN to AUXOUT CL(AUXVOUT)=0.1uF, IO(AUXOUT)=0A 10 150
1.5VIN to 1.5VOUT CL(1.5VOUT)=0.1uF, IO(1.5VOUT)=0A 10 150
us
3.3VIN to 3.3VOUT CL(3.3VOUT)=20uF, IO(3.3VOUT)=0A 5 30
AUXIN to AUXOUT CL(AUXVOUT)=20uF, IO(AUXOUT)=0A 5 30
tf
Output fall times
when card
removed (both
CPUSB# and
CPPE# de-
asserted) 1.5VIN to 1.5VOUT CL(1.5VOUT)=20uF, IO(1.5VOUT)=0A 5 30
ms
3.3VIN to 3.3VOUT CL(3.3VOUT)=0.1uF, IO(3.3VOUT)=0A 10 150
AUXIN to AUXOUT CL(AUXVOUT)=0.1uF, IO(AUXOUT)=0A 10 150
1.5VIN to 1.5VOUT CL(1.5VOUT)=0.1uF, IO(1.5VOUT)=0A 10 150
us
3.3VIN to 3.3VOUT CL(3.3VOUT)=100uF, RL=VI(3.3VIN)/1A 0.1 3
AUXIN to AUXOUT CL(AUXVOUT)=100uF,
RL=VI(AUXININ)/0.250A 0.1 3
tf
Output fall times
when SHDN#
asserted (card is
present)
1.5VIN to 1.5VOUT CL(1.5VOUT)=100uF,
RL=VI(1.5VIN)/0.500A 0.1 3
ms
3.3VIN to 3.3VOUT CL(3.3VOUT)=0.1uF, IO(3.3VOUT)=0A 0.1 6
AUXIN to AUXOUT CL(AUXVOUT)=0.1uF, IO(AUXOUT)=0A 0.1 6
1.5VIN to 1.5VOUT CL(1.5VOUT)=0.1uF, IO(1.5VOUT)=0A 0.1 6
3.3VIN to 3.3VOUT CL(3.3VOUT)=100uF, RL=VI(3.3VIN)/1A 0.1 6
AUXIN to AUXOUT CL(AUXVOUT)=100uF,
RL=VI(AUXININ)/0.250A 0.1 6
Tpd(on)
Turn on
propagation
delay
1.5VIN to 1.5VOUT CL(1.5VOUT)=100uF,
RL=VI(1.5VIN)/0.500A 0.1 6
ms
9. FUNCTIONAL TRUTH TABLES
Truth Table for Voltage Outputs
VOLTAGES INPUTS (1) LOGIC INPUTS VOLTAGE OUTPUTS(2)
AUXIN 3.3VIN 1.5VIN SHDN# STBY# CP# (4) AUXOUT 3.3VOUT 1.5VOUT MODE(3)