icrel, Inc.
MIC2587/MIC2587R
anuary 24, 2013
6
Revision 2.0
Absolute Maximum Ratings
(1)
(All voltages are referred to GND)
Supply Voltage (V
CC
) pin ............................. 0.3V to +100V
GATE pin ..................................................... 0.3V to +100V
ON, SENSE pins ......................................... 0.3V to +100V
PWRGD, /PWRGD pins .............................. 0.3V to +100V
FB pin .......................................................... 0.3V to +100V
TIMER pin ....................................................... 0.3V to +6V
Junction Temperature (T
J
) ....................................... +125癈
Lead Temperature (Soldering, 10s) ......................... +260癈
Storage Temperature .........................65癈 d T
A
d +150癈
ESD Rating
(3)
Human Body Model ................................................. 2kV
Machine Model ............................................................. 200V
Operating Ratings
(2)
Supply Voltage (V
CC
) ...................................... +10V to +80V
ON, PWRGD, /PWRGD ........................................ 0V to V
CC
FB ...................................................................... 0V to V
OUT
GATE .................................................. 0V to (V
CC
+ V
GATE
)
Ambient Temperature Range (T
A
) .............. 40癈 to +85癈
Package Thermal Resistance (?/DIV>
JA
)
8-pin SOIC .................................................... +160 癈/W
DC Electrical Characteristics
(4)
V
CC
= +24V and +48V, T
A
= +25癈, unless otherwise noted. Bold indicates specifications apply over the full operating temperature
range of T
A
= 40癈 to +85癈.
Symbol Parameter
Condition
Min.
Typ.
Max. Units
V
CC
Supply Voltage
10
80
V
ICC
Supply Current
V
ON
= V
FB
= 1.5V
2
5
mA
V
UVH
V
UVL
Supply Voltage Undervoltage Lockout
V
CC
rising
V
CC
falling
7.5
7.0
8.0
7.5
8.5
8.0
V
V
HYSLO
VCC Undervoltage Lockout Hysteresis
500
mV
VFBH
Feedback Pin Voltage High Threshold
FB Low-to-High transition
1.280
1.313
1.345
V
V
FBL
Feedback Pin Voltage Low Threshold
FB High-to-Low transition
1.208 1.233 1.258
V
V
HYSFB
Feedback Voltage Hysteresis
80
mV
V
FB
FB Pin Threshold Line Regulation
10V d V
CC
d 80V
0.05
0.05
mV/V
I
FB
FB Pin Input Current
0V d V
FB
d 3V
1
1
礎
V
TRIP
Circuit Breaker Trip Voltage,
V
CC
- V
SENSE
(5)
V
FB
= 0V (see Figure 1)
V
FB
= 1V (see Figure 1)
5
39
12
47
17
55
mV
V
GATE
MOSFET Gate Drive, V
GATE
- V
CC
+10V d V
CC
d +80V
7.5
18
V
I
GATEON
GATE Pin Pull-Up Current
Start cycle, V
GATE
= 7V
10
16
-22
礎
I
GATEFLT
GATE Pin rapid pull-down current
during a fault condition, until
V
GATE
= V
GATE[TH]
(V
GATE[TH]
is the MOSFET threshold)
(V
CC
V
SENSE
) = (V
TRIP
+ 10mV)
V
GATE
= 5V
30
80
200
mA
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k& in series with 100pF.
4. Specification for packaged product only.
5. Circuit breaker trip threshold is verified by monitoring the TIMER pin as it switches from discharging to charging (current), and by the GATE output
voltage going low.
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