Micrel, Inc.
Electrical Characteristics (4) (Continued)
V IN = V EN = V DIM = 12V; C VCC = 1.0μF; T J = 25 ° C, bold values indicate ? 40 ° C ≤ T J ≤ + 125 ° C; unless noted.
MAQ3203
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
Enable Input
EN HI
EN LO
EN Logic Level High
EN Logic Level Low
2.0
0.4
V
V
EN Bias Current
Start-Up Time
V EN = 12V
V EN = 0V
From EN Pin going high to DRV
going high
30
60
1
μA
μA
μs
Dimming Input
DIM HI
DIM LO
DIM Logic Level High
DIM Logic Level Low
2.0
0.4
V
V
F DIM
DIM Bias Current
DIM Delay Time
Maximum Dimming Frequency
V DIM = 0V
From DIM Pin going high to DRV
going high
20
450
50
1
20
μA
ns
kHz
External FET Driver
DRV On-Resistance
DRV Transition Time
Pull Up, I SOURCE = 10mA
Pull Down, I SINK = -10mA
Rise Time, C LOAD = 1000pF
Fall Time, C LOAD = 1000pF
2
1.5
13
7
?
ns
Thermal Protection
T LIM
T LIMHYS
Over-Temperature Shutdown
Over-Temperature Shutdown Hysteresis
T J Rising
160
20
° C
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. Guaranteed by design.
March 2011
4
M9999-032411-A
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