SMH4804 Datasheet, PDF (15/41 Pages) Summit Microelectronics, Inc. – -48V Programmable Hot Swap Sequencing Power Controller

SMH4804
–
DC OPERATING CHARACTERISTICS
DC Operating Characteristics
(Over recommended operating conditions, unless otherwise notes. All voltages are relative to GND.)
Symbol
Parameter
Conditions
V_DD
5V_REF
I_LOAD5
2.5V_REF
I_LOAD2.5
I_DD1
V_UV
V_UVHYST
V_OV
V_OVHYST
V_GATE
I_GATE
V_SENSE
I_SENSE
V_CB
V_QCB
Supply voltage
5V reference output voltage
5V reference output current
2.5V reference output voltage
2.5V reference output current
Power supply current
Under-voltage threshold
Under-voltage hysteresis
Over-voltage threshold
Over-voltage hysteresis
VGATE output voltage
VGATE output current
DRAIN SENSE threshold
DRAIN SENSE current output
Circuit breaker threshold
Programmable Quick Trip circuit
breaker threshold voltage
IDD = 3 mA
IDD = 3 mA
IDD = 3 mA
IDD = 3 mA
IDD = 3 mA
IDD = 3 mA
IDD = 3 mA
IDD = 3 mA
IDD = 3 mA
I_GATE = 80 µA
V_GATE = 5 V
V_SENSE = V_SS
I_DD = 3 mA
I_DD = 3 mA
QT = 200 mV
QT = 100 mV
QT = 60 mV
V_ENTS
V_ENTSHYST
EN/TS threshold voltage
EN/TS threshold hysteresis
voltage
I_DD = 3 mA
I_DD = 3 mA
V_IH
Input voltages: ENPGA/B/C,
MODE, RESET#, PD1#, PD2#
V_IL
V_OL
Output low voltage: FAULT#
I_OL = 3 mA
Output low voltage: PG1#/2#/3#/
4#
I_OL = 3 mA
I_IL
Input current: PD1#, PD2#, EN/
TS
V_IL = V_SS
V_GT
Gate threshold
1. This value is set by the R_D resistor.
2. See Table 8 for a listing of programmable under-voltage hysteresis settings.
Min
11
4.8
-1
2.45
-0.5
2
2.45
2.45
V_DD - V_GT
80
2.45
9
45
180
90
54
2.40
Typ
12
5.00
2.50
2.50
63²
2.50
10
85
2.50
10
50
200
100
60
2.45
10
3
-0.1
0
0
100
0.7
1.8
Max
Unit
13
V
5.25
V
1
mA
2.55
V
0.5
mA
13
mA
2.55
V
mV
2.55
V
mV
V_DD
V
90
µA
2.55
V
11
µA
55
mV
220 mV
110 mV
66
mV
2.50
V
mV
5V_REF
V
2
V
0.4
V
0.4
V
µA
3.0
V
Summit Microelectronics
2050 3.7 10/30/02
15