Datasheet

TPS2363
SLUS680B –JANUARY 2006–REVISED JANUARY 2010 www.ti.com
ELECTRICAL CHARACTERISTICS
Supply voltages; SH33A/B & AUXINA/B = 3.0 V to 3.6 V, SH12A/B = 10.8 V to 13.2 V, T
A
= -40°C to 85°C, RFILTER = open,
all outputs are not loaded (unless otherwise specified).
(1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
PCIExpress 12-V Supply Gate Controller
12-V voltage, SH12A/B 10.8 13.2 V
ONA/B = high, (No load) 1
mA
12-V supply current, SH12A/B, per ONA/B = low, disabled main supply 0.5
slot
Leakage, VAUX = 3.3 V , SH33A/B 1
and SH12A/B = 0 V
mA
SL12A/B input current 0.35
12-V gate voltage, G12A/B ONA/B = high 0 1 V
12-V gate sink current ONA/B = high, G12A/B = SH12A/B 15 25 35 mA
ONA/B = High, G12A/B =
12-V gate source current SH12A/B-2.5 V, during a fault 20 mA
condition
Current limit threshold Current limit 45 50 55
mV
Fast trip threshold Fast trip 90 100 110
Increasing 8 9 10 V
UVLO
Hysteresis 180 mV
Increasing 10.2 10.5 10.8 V
PGOOD
Hysteresis 50 mV
Bleed down resistance ONA/B = LOW, OUT12A/B = 6.0 V 1600 Ω
low comparator threshold 0.075 0.1 0.15 V
PCIExpress 3.3-V Gate Control
3.3-V voltage, SH33A/B PCIExpress limits, not device limits 3.0 3.6 V
ONA/B = high 0.2
mA
3.3-V supply current, SH33A/B, per ONA/B = low, Disabled main supply 0.2
slot
Leakage, AUXINA/B = 3.3 V, 1
SH33A/B and SH12A/B = 0 V
mA
SL33A/B input current 0.35
SH12A/B –
3.3-V gate voltage, G33A/B ONA/B = high, capacitive load only SH12A/B V
1
ONA/B = high, G33A/B = 2.5 V, on a
3.3-V gate sink current 50 mA
fault condition.
+3.3 volt gate source current ONA/B = high, G33A/B = SH12A/B 15 25 35 mA
Current limit threshold Current limit 45 50 55
mV
Fast trip threshold Fast trip 90 100 110
Increasing 2.2 2.5 2.75 V
UVLO
Hysteresis 180 mV
Increasing 2.7 2.8 2.9 V
PGOOD
Hysteresis 50 mV
Bleed down resistance ONA/B = low, OUT33A/B = 1.65 V 150 Ω
low comparator threshold 0.075 0.1 0.15 V
(1) Current is the absolute value of current as some addresses are pulled high, while others are pulled low.
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