Micrel
MIC2589/MIC2595
Operating Ratings(2)
Absolute Maximum Ratings(1)
(All voltages are referred to VEE)
Supply Voltage (VDD-VEE) ...............................+19V to +80V
Ambient Temperature Range (TA).................–40°C to 85°C
Junction Temperature (TJ)..........................................125°C
Package Thermal Resistance
Supply Voltage (VDD – VEE) ........................... –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)
SOIC (θJA) ....................................................... 120°C/W
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
DC Electrical Characteristics(4)
VDD = 48V, VEE = 0V, TA = 25°C, unless otherwise noted. Bold indicates specifications apply over the full operating temperature
range of –40°C to 85°C.
Symbol
VDD – VEE
IDD
Parameter
Condition
Min
19
Typ
Max
80
6
Units
V
Supply Voltage
Supply Current
4
mA
mV
VTRIP
Circuit Breaker Trip Voltage
No-Load Detect Threshold
(% of full-scale current limit)
GATE Drive Voltage, (VGATE – VEE
)
40
50
60
INLDTH
I
OUT decreasing
20
22
%
%
IOUT increasing
INLDHYS
VCNLD
ICNLD
No-Load Detect Threshold
Hysteresis
2
1.24
25
%
No-Load Detect Timer High
Threshold Voltage
1.17
10
9
1.33
40
V
No-Load Detect Timer
µA
V
Capacitor Charge Current(5)
VGATE
IGATEON
GATE Drive Voltage,
15V ≤ (VDD – VEE) ≤ 80V
10
11
(VGATE – VEE
)
GATE Pin Pull-Up Current
V
GATE = VEE to 8V
30
45
60
µA
19V ≤ (VDD – VEE) ≤ 80V
ISENSE
SENSE Pin Current
VSENSE = 50mV
0.2
µA
IGATEOFF
GATE Pin Sink Current
(VSENSE – VEE) = 100mV
100
65
240
mA
V
GATE = 2V
CFILTER Pin Charge Current (VSENSE – VEE) > VTRIP
CFILTER = 0.75V
ICFILTER
95
4
135
6
µA
µA
V
VGATE = 3V
CFILTER Discharge Current
(VSENSE – VEE) < VTRIP
VCFILTER = 0.75V
2
V
GATE = 3V
VCFILTER(TRIP)
High Threshold Voltage
Overcurrent Detect Timer
(VSENSE – VEE) > VTRIP
1.17
0.17
1.25
0.22
1.33
0.25
V
V
VCFILTER(RETRY) Voltage on CFILTER
(decreasing) to Trigger Auto-
Retry
(MIC2589R and MIC2595R)
PGTIMER Charge Current
IPGTIMER
Voltage on PGTIMER = 0.75 V
6
30
45
80
µA
M9999-120505
(408) 955-1690
December 2005
MICREL [ MICREL SEMICONDUCTOR ]
