Micrel
MIC2589/MIC2595
Absolute Maximum Ratings
(1)
(All voltages are referred to V
EE
)
Supply Voltage (V
DD
– V
EE
) ........................... –0.3V to 100V
DRAIN, PWRGD pins.................................... –0.3V to 100V
GATE pin...................................................... –0.3V to 12.5V
SENSE, OV, UV, ON, OFF pins........................ –0.3V to 6V
Lead Temperature (soldering)
Standard Package (-xBM)
(IR Reflow, Peak Temperature ...........240°C +0°C/-5°C
Pb-Free Package (-xYM)
(IR Reflow, Peak Temperature ...........260°C +0°C/-5°C
ESD Ratings(3)
Human Body Model.................................................. 2kV
Machine Model ......................................................100V
Operating Ratings
(2)
Supply Voltage (V
DD
-V
EE
) ...............................+19V to +80V
Ambient Temperature Range (T
A
) .................–40°C to 85°C
Junction Temperature (T
J
)..........................................125°C
Package Thermal Resistance
SOIC
(θ
JA
) ....................................................... 120°C/W
DC Electrical Characteristics
(4)
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
V
DD
– V
EE
I
DD
V
TRIP
I
NLDTH
Parameter
Supply Voltage
Supply Current
Circuit Breaker Trip Voltage
No-Load Detect Threshold
(% of full-scale current limit)
I
NLDHYS
V
CNLD
I
CNLD
V
GATE
I
GATEON
I
SENSE
I
GATEOFF
I
CFILTER
No-Load Detect Threshold
Hysteresis
No-Load Detect Timer High
Threshold Voltage
No-Load Detect Timer
(5)
Capacitor Charge Current
GATE Drive Voltage,
(V
GATE
– V
EE
)
GATE Pin Pull-Up Current
SENSE Pin Current
GATE Pin Sink Current
CFILTER Pin Charge Current
15V
≤
(V
DD
– V
EE
)
≤
80V
V
GATE
= V
EE
to 8V
19V
≤
(V
DD
– V
EE
)
≤
80V
V
SENSE
= 50mV
(V
SENSE
– V
EE
) = 100mV
V
GATE
= 2V
(V
SENSE
– V
EE
) > V
TRIP
V
CFILTER
= 0.75V
V
GATE
= 3V
(V
SENSE
– V
EE
) < V
TRIP
V
CFILTER
= 0.75V
V
GATE
= 3V
(V
SENSE
– V
EE
) > V
TRIP
100
65
1.17
10
9
30
I
OUT
decreasing
I
OUT
increasing
20
22
2
1.24
25
10
45
0.2
240
95
135
1.33
40
11
60
%
%
%
V
µA
V
µA
µA
mA
µA
GATE Drive Voltage, (V
GATE
– V
EE
)
40
Condition
Min
19
4
50
Typ
Max
80
6
60
Units
V
mA
mV
CFILTER Discharge Current
2
4
6
µA
V
CFILTER(TRIP)
V
CFILTER(RETRY)
High Threshold Voltage
Overcurrent Detect Timer
Voltage on CFILTER
(decreasing) to Trigger Auto-
Retry
(MIC2589R and MIC2595R)
PGTIMER Charge Current
1.17
0.17
1.25
0.22
1.33
0.25
V
V
I
PGTIMER
Voltage on PGTIMER = 0.75 V
30
45
80
µA
December 2005
6
M9999-120505
(408) 955-1690
MICREL [ MICREL SEMICONDUCTOR ]
