Datasheet


SLVS426 − MAY 2002
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5
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, V
(VIN)
= V
(VIN_SENSE12)
= V
(VIN_SENSE3)
= 12 V (unless otherwise noted)
Output Drivers
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OUT_u sink current V
(OUTx_u)
– V
(LLx)
= 3 V 1.2 A
OUT_u source current V
(LHx)
− V
(OUTx_u)
= 3 V −1.2 A
OUT_d sink current V
(OUTx_d)
= 3 V 1.5 A
OUT_d source current V
(OUTx_d
) = 2 V −1.5 A
LDO_GATE sink current V
(LDO_GATE
) = 2 V 2 mA
LDO_GATE source current V
(LDO_GATE)
= 2 V −1.4 mA
I
(TRIPx)
TRIP current T
A
= 25°C 11 13 15 µA
Soft Start
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
(SS_STBYx)
Soft start current V
(SS_STBYx)
= 0.7 V −1.6 −2.3 −2.9 µA
Error Amplifier for LDO Controller
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IO
Input offset voltage V
(LDO_IN)
= 3.3 V, T
A
= 25 °C 2 10 mV
Open loop voltage gain V
(LDO_IN)
= 3.3 V 50 dB
Unity-gain bandwidth V
(LDO_IN)
= 3.3 V, C
L
= 2000 pF 1.4 MHz
Current Limit for LDO Controller
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Current limit comparator threshold voltage V
(LDO_IN)
= 3.3 V 40 50 60 mV
Overshoot Protection for LDO Controller
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
LDO_OUT sink current V
(LDO_OUT)
= V
(LDO_GATE)
= 1.5 V 25 mA