MIC3230_1 Datasheet, PDF (5/19 Pages) Micrel Semiconductor – Constant Current Boost Controller for Driving High Power LEDs

Micrel, Inc.
MIC3230/1/2
Electrical Characteristics
V_IN = 12V; V_EN = 3.6V; L = 47µH; C = 4.7µF; T_J = 25°C, Bold values indicate –40°C≤ T_J ≤ +125°C, unless noted.
Symbol Parameter
Condition
Min Typ
V_OVP
Over Voltage Protection
Driver Impedance
Sink
Source
1.203 1.24
2.4
2
V_DRH
T_J
Driver Voltage High
Over-Temperature Threshold
Shutdown
V_IN = 12V
7
9
150
Thermal Shutdown
Hysteresis
5
Max
1.277
3.5
11
Units
V
Ω
Ω
V
°C
°C
November 2009
5
M9999-113009-B