MIC2589/2595
Micrel
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
ESD Ratings
(3) ..............................................................................
2kV
Soldering
Vapor Phase .......................... (60 sec.) +220°C +5
±0°C
Infrared ................................... (15 sec.) +235°C +5
±0°C
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
V
TRIP
= V
SENSE
– V
EE
% of full-scale current limit
I
OUT
decreasing
I
OUT
increasing
1.17
Note 5
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
10
9
30
40
Condition
Min
19
4
50
20
22
2
1.24
25
10
45
0.2
240
95
135
1.33
40
11
60
Typ
Max
80
6
60
mA
mV
%
%
%
V
µA
V
µA
µA
mA
µA
Units
I
NLDHYS
V
CNLD
I
CNLD
V
GATE
I
GATEON
I
SENSE
I
GATEOFF
I
CFILTER
No-Load Detect Threshold Hysteresis % of full-scale current limit
No-Load Detect Timer High Threshold
Voltage
No-Load Detect Timer Capacitor
Charge Current
GATE Drive Voltage, (V
GATE
– V
EE
)
GATE Pin Pull-Up Current
SENSE Pin Current
GATE Pin Sink Current
CFILTER Charge Current
CFILTER Pull-Down Current
2
4
6
µA
V
CFILTER(TRIP)
High Threshold Voltage
Overcurrent Detect Timer
V
CFILTER(RETRY)
Voltage on CFILTER to Trigger Auto-Retry
(MIC2589R and MIC2595R only)
I
PGTIMER
Notes:
1.17
0.17
1.25
0.22
45
1.33
0.25
80
V
V
µA
PGTIMER Charge Current
Voltage on PGTIMER = 0.75 V
30
1. Exceeding the “Absolute Maximum Ratings” may damage the devices.
2. The devices are not guaranteed to function outside the specified Operating Conditions.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model: 1.5kΩ in series with 100pF. Machine model: 200pF, no series
resistance.
4. Specification for packaged product only.
5. Not 100% tested. Parameters are guaranteed by design.
March 2004
5
M9999-031504
MICREL [ MICREL SEMICONDUCTOR ]
