MIC2039 Datasheet, PDF (4/21 Pages) Micrel Semiconductor – High-Accuracy, High-Side, Adjustable Current Limit Power Switch

Micrel, Inc.
MIC2039
Absolute Maximum Ratings⁽⁴⁾
V_IN to GND....................................................... −0.3V to +6V
V_OUT to GND .................................................... −0.3V to +6V
V_ILIMIT to GND .................................................. −0.3V to +6V
V_ENABLE to GND................................................ −0.3V to +6V
V_FAULT/ to GND ................................................. −0.3V to +6V
FAULT/ Current (I_FAULT/) ..............................................25mA
Maximum Power Dissipation (P_D) ............. Internally Limited
Lead Temperature (soldering, 10s)............................ 260°C
Storage Temperature (T_S)......................... −65°C to +150°C
ESD Rating⁽⁶⁾
HBM ......................................................................... 3kV
MM .........................................................................300V
Operating Ratings⁽⁵⁾
Supply Voltage (V_IN) ..................................... +2.5V to +5.5V
V_EN, V_FAULT/ ................................................... −0.3V to +5.5V
V_ILIMIT, V_OUT ........................................................ −0.3V to V_IN
Junction Temperature (T_J) ........................ –40°C to +125°C
Package Thermal Resistance
SOT-23-6 (θ_JA) ..............................................177.2°C/W
6-pin 2mm × 2mm DFN (θ_JA) ............................. 90°C/W
Electrical Characteristics⁽⁷⁾
VIN = VEN = 5V; CIN = 1µF; COUT = 1µF TJ = 25°C. Bold values indicate –40°C ≤ TJ ≤ +125°C, unless noted otherwise.
Symbol Parameter
Condition
Min. Typ.
Power Supply Input
VIN
Input Voltage Range
2.5
VUVLO
Input Supply Undervoltage
Lockout Threshold
VIN rising
VIN falling
2.0 2.25
1.9 2.15
VUVLOHYS
Input Supply Undervoltage
Lockout Threshold Hysteresis
VIN rising or VIN falling
100
IDD
Supply Current
Switch OFF
(IOUT = 0A)
Switch ON
(IOUT = 0A)
Active-high Enable (A): VEN = 0V,
VIN = 5V
Active-low Enable (B): VEN = VIN = 5V
Active-high Enable (A): VEN = 1.5V,
VIN = 5V
Active-low Enable (B): VEN = 0V,
VIN = 5V
0.75
100
Power MOSFET
VIN = 2.5V, IOUT = 350mA
100
RDS(ON)
Switch On Resistance
VIN = 3.3V, IOUT = 350mA
85
VIN = 5V, IOUT = 350mA
75
ILKG
Output Leakage Current
Switch Off, VOUT = 0V
0.22
Notes:
4. Exceeding the absolute maximum rating may damage the device.
5. The device is not guaranteed to function properly outside its operating rating.
6. Devices are ESD sensitive. Handling precautions recommended. Human body model (HBM), 1.5kΩ in series with 100pF.
7. Specification for packaged product only.
Max.
5.5
2.5
2.4
5
300
177
145
125
15
Units
V
V
mV
µA
mΩ
µA
June 7, 2013
4
Revision 1.1