MIC3202 Datasheet, PDF (4/19 Pages) Micrel Semiconductor – High-Brightness LED Driver with Integrated MOSFET and High-Side Current Sense

Micrel, Inc.
MIC3202
Electrical Characteristics ⁽⁴⁾
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.
Symbol Parameter
Condition
Min. Typ.
Dimming Input
DIM_HI
DIM_LO
DIM Logic Level High
DIM Logic Level Low
DIM Bias Current
f_DIM
Maximum Dimming Frequency
Internal MOSFET
V_DIM = 12V
V_DIM = 0V
2.0
20
0.1
R_DS(ON)
MOSFET R_DS(ON)
I_LX = 200mA
275
LX Leakage Current
V_EN = 0V; V_IN = V_LX = 37V
5
Thermal Protection
T_LIM
Over-Temperature Shutdown
T_J Rising
160
T_LIMHYS
Over-Temperature Shutdown Hysteresis
20
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
3. The device is not guaranteed to function outside its operating rating.
4. Specification for packaged product only.
5. Guaranteed by design.
Max. Units
V
0.4
V
35
µA
1
20
kHz
625
mΩ
50
µA
°C
September 2010
4
M9999-091710-A