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| MIC2033 Datasheet, PDF (4/20 Pages) Micrel Semiconductor – High-Accuracy, High-Side, Fixed Current Limit Power Switch | |||
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Micrel, Inc.
MIC2033
Absolute Maximum Ratings(1)
VIN to GND....................................................... ï0.3V to +6V
VOUT to GND ...................................................... ï0.3V to VIN
VCSLEW to GND................................................. ï0.3V to +6V
VEN to GND...................................................... ï0.3V to +6V
VFAULT/ to GND................................................. ï0.3V to +6V
FAULT/ Current (IFAULT/) ..............................................25mA
Maximum Power Dissipation (PD) .............Internally Limited
Lead Temperature (soldering, 10 sec.)...................... 260°C
Storage Temperature
ESD Rating(2)
(TS)
.........................
ï65°C
to
+150°C
HBM ......................................................................... 3kV
MM .........................................................................300V
Electrical Characteristics(4)
Operating Ratings(3)
Supply Voltage (VIN)..................................... +2.5V to +5.5V
VEN, VFAULT/ ................................................... ï0.3V to +5.5V
VCSLEW, VOUT ...................................................... ï0.3V to VIN
Ambient Temperature Range (TA) .............. â40°C to +85°C
Junction Temperature (TJ) ........................ â40°C to +125°C
Package Thermal Resistance
SOT-23-6 (ï±JA) ..............................................177.2°C/W
6-pin 2mm ï´ 2mm DFN (ï±JA) .............................90°C/W
VIN = VEN = 5V; CIN = 1µF; CCSLEW = 0.1µF; COUT = 1µF; TJ = 25°C. Bold values indicate â40°C ⤠TJ ⤠+125°C, unless noted.
Symbol Parameter
Condition
Min. Typ. Max.
Power Supply Input
VIN
Input Voltage Range
2.5
5.5
VUVLO
Input Supply Under-voltage
Lockout Threshold
VIN rising
VIN falling
2.0 2.25 2.5
1.9 2.15 2.4
VUVLOHYS
Input Supply Under-voltage
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
5
100 300
Power MOSFET
Units
V
V
mV
µA
RDS(ON) Switch On-Resistance
ILKG
Output Leakage Current
Current Limit
ILIMIT
Current Limit
I/O
VEN
Enable Voltage
VIN = 2.5V, IOUT = 350mA
VIN = 3.3V, IOUT = 350mA
VIN = 5V, IOUT = 350mA
Switch Off, VOUT = 0V
MIC2033-05xxxx, VOUT = 0.8 x VIN
MIC2033-55xxx, VOUT = 0.8 x VIN(5)
MIC2033-08xxxx, VOUT = 0.8 x VIN
MIC2033-10xxxx, VOUT = 0.8 x VIN
MIC2033-12xxxx, VOUT = 0.8 x VIN
Logic Low
Logic High
100 177
85
145
mâ¦
75
125
0.22
15
µA
0.475 0.50 0.525
0.517 0.550 0.578
0.76 0.80 0.84
A
0.95 1.00 1.05
1.14 1.20 1.26
0.5
V
1.5
August 2012
4
M9999-082012-A
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