SMH4812_09 Datasheet, PDF (6/18 Pages) Summit Microelectronics, Inc. – Distributed Power Hot-Swap Controller

SMH4812
Preliminary
DC OPERATING CHARACTERISTICS
(Over Recommended Operating Conditions; Voltages are relative to V_SS, except V_GT)
Symbol
V_DD
5V_REF
I_LOAD5
2.5V_REF
I
LOAD2.5
I_DD
V_UV
V_UVHYST
V_OV
V_OVHYST
V_GATE
I_GATE
V_SENSE
I_SENSE
V_CB
Parameter
Supply voltage
5V reference output
5V reference output current
2.5V reference output
2.5V reference output current
Power supply current
Under-Voltage threshold
Under-Voltage hysteresis
Over-Voltage threshold
Over-Voltage hysteresis
V_GATE output voltage
V_GATE current output
DRAIN SENSE threshold
DRAIN SENSE current output
Circuit breaker threshold
Conditions
I_DD = 3mA
I_DD = 3mA
I_DD = 3mA
I_DD = 3mA (1)
I = 3mA
DD
I_DD = 3mA (1)
I_DD = 3mA
I_DD = 3mA (1)
I_DD = 3mA
Min.
11
4.75
–1
2.475
–0.2
2.475
2.475
I_DD = 3mA (1)
V_SENSE = V_SS (1)
I_DD = 3mA
2.475
9
40
V_QCB
Programmable Quick Trip circuit
breaker threshold
V_ENTS
V_ENTSHYST
V_IH
V
IL
V
OL
EN/TS threshold
EN/TS hysteresis
Input high voltage: ENPG
Output low voltage: FAULT#
Output low voltage: PG#
I_IL
Input current: PD1#, PD2#, EN/TS
V
Gate threshold
GT
(1) TA = 25ºC.
I_DD = 3mA (1)
I_DD = 3mA
I_OL = 3mA
I_OL = 3mA
V_IL = V_SS
Off
2.475
3
0
0
0
0.7
Typ.
12
5.00
2.500
2.500
63
2.500
10
100
2.500
10
50
200
100
60
2.500
10
100
1.8
Max.
13
5.25
1
2.525
1
10
2.525
2.525
V_DD
2.525
11
60
2.525
5V_REF
2
0.4
0.4
3.0
Units
V
V
mA
V
mA
mA
V
mV
V
mV
V
µA
V
µA
mV
mV
mV
mV
—
V
mV
V
V
V
V
µA
V
2055 Elect Table
RECOMMENDED OPERATING CONDITIONS
Temperature –40°C to 85°C.
2055 4.1 03/27/09
6
SUMMIT MICROELECTRONICS, Inc.