MIC2589/2595
Micrel
DC Electrical Characteristics
(6)
V
DD
= 48V, V
EE
= 0V, T
A
= 25°C, unless otherwise noted.
Bold
indicates specifications apply over the full operating temperature range of –40°C to 85°C.
Symbol
Parameter
Condition
Min
0.5
1.00
Voltage on PGTIMER = 0.5 V
Low-to-High transition
High-to-Low transition
250
1.198
1.165
Typ
0.63
1.15
500
1.223
1.203
20
High-to-Low transition
Low-to-High transition
1.198
1.213
1.223
1.243
20
Low-to-High transition
High-to-Low transition
V
UV
= 1.25V
High-to-Low Transition
(V
DRAIN
– V
EE
)
1.1
1.26
1.198
1.198
1.223
1.223
1.247
1.247
0.5
1.40
1.247
1.272
Max
0.8
1.30
750
1.247
1.232
Units
V
V
Ω
V
V
mV
V
V
mV
V
V
µA
V
V
THRESH(PG2)
PGTIMER Threshold Voltage for
PWRGD2 and /PWRGD2
V
THRESH(PG3)
PGTIMER Threshold Voltage for
PWRGD3 and /PWRGD3
R
PGTIMER
V
OVH
V
OVL
V
OVHYS
V
UVL
V
UVH
V
UVHYS
V
ONH
V
OFFL
I
CNTRL
V
PGTH
V
OLPG
PGTIMER Discharge Resistance
OV Pin High Threshold Voltage
(MIC2589 and 2589R parts only)
OV Pin Low threshold Voltage
(MIC2589 and 2589R only)
OV Pin Hysteresis
(MIC2589 and 2589R only)
UV Pin Low threshold Voltage
(MIC2589 and 2589R only)
UV Pin High Threshold Voltage
(MIC2589 and 2589R only)
UV Pin Hysteresis
(MIC2589 and 2589R only)
ON Pin High Threshold Voltage
(MIC2595 and 2595R only)
OFF Pin Low Threshold Voltage
(MIC2595 and 2595R only)
Input Current (OV, UV, ON, OFF Pins)
Power-Good Threshold
PWRGD Output Voltage
V
OLPG
– V
DRAIN
(relative to voltage at the DRAIN pin) 0mA
≤
I
PG(LOW)
≤
1mA
MIC25XX-1
MIC25XX-2
(V
DRAIN
– V
EE
) > V
PGTH
(V
DRAIN
– V
EE
) < V
PGTH
V
PWRGD
= V
DD
= 80 V
–0.25
–0.25
0
0.8
0.8
1
V
V
µA
I
LKG(PG)
Note:
PWRGD Output Leakage Current
6. Specification for packaged product only.
M9999-031504
6
March 2004
MICREL [ MICREL SEMICONDUCTOR ]
