MIC45208-1 Datasheet, PDF (4/35 Pages) Micrel Semiconductor – 26V 10A DC-to-DC Power Module

Micrel, Inc.
MIC45208
Absolute Maximum Ratings⁽²⁾
V_PVIN, V_VIN to PGND ....................................... −0.3V to +30V
V_PVDD, V_5VDD, V_ANODE to PGND......................... −0.3V to +6V
V_SW, V_FREQ, V_ILIM, V_EN to PGND ............ −0.3V to (V_IN +0.3V)
V_BST to V_SW ........................................................ −0.3V to 6V
V_BST to PGND .................................................. −0.3V to 36V
V_PG to PGND .................................. −0.3V to (5VDD + 0.3V)
V_FB, V_RIB to PGND .......................... −0.3V to (5VDD + 0.3V)
PGND to GND .............................................. −0.3V to +0.3V
Junction Temperature .............................................. +150°C
Storage Temperature (T_S)......................... −65°C to +150°C
Lead Temperature (soldering, 10s)............................ 260°C
ESD Rating…………………………………….ESD Sensitive
Operating Ratings⁽³⁾
Supply Voltage (V_PVIN, V_VIN) .............................. 4.5V to 26V
Output Current ............................................................... 10A
Enable Input (V_EN) .................................................. 0V to V_IN
Power Good (V_PG) ............................................. 0V to 5VDD
Junction Temperature (T_J) ........................ −40°C to +125°C
Junction Thermal Resistance⁽⁴⁾
10mm × 10mm × 4mm QFN-52 (θ_JA) ............16.6°C/W
10mm × 10mm × 4mm QFN-52 (θ_JC) ................. 4°C/W
Electrical Characteristics⁽⁵⁾
VPIN = VIN = VEN = 12V, VOUT = 3.3V, VBST − VSW = 5V, TJ = +25ºC. Bold values indicate −40ºC < TJ < +125ºC, unless otherwise noted.
Parameter
Condition
Min.
Typ. Max.
Units
Power Supply Input
Input Voltage Range (VPVIN, VIN)
Quiescent Supply Current (MIC45208-1)
Quiescent Supply Current (MIC45208-2)
Operating Current
Shutdown Supply Current
5VDD Output
VFB = 1.5V
VFB = 1.5V
VPVIN = VIN = 12V,
VOUT = 1.8V, IOUT = 0A,
fSW = 600kHz
MIC45208-1
MIC45208-2
SW = Unconnected, VEN = 0V
4.5
26
V
0.75
mA
2.1
3
mA
0.4
mA
43
4
10
µA
5VDD Output Voltage
5VDD UVLO Threshold
5VDD UVLO Hysteresis
LDO Load Regulation
Reference
VIN = 7V to 26V, I5VDD = 10mA
V5VDD Rising
V5VDD Falling
I5VDD = 0 to 40mA
4.8
5.1
5.4
V
3.8
4.2
4.6
V
400
mV
0.6
2
3.6
%
Feedback Reference Voltage
FB Bias Current
Enable Control
TJ = 25°C
−40°C ≤ TJ ≤ 125°C
VFB = 0.8V
0.792
0.8 0.808
V
0.784
0.8 0.816
5
500
nA
EN Logic Level High
1.8
V
EN Logic Level Low
0.6
V
EN Hysteresis
200
mV
EN Bias Current
VEN = 12V
Notes:
2. Exceeding the absolute maximum ratings may damage the device.
3. The device is not guaranteed to function outside operating range.
4. θJA and θJC were measured using the MIC45208 evaluation board.
5. Specification for packaged product only.
5
10
µA
February 6, 2015
4
Revision 2.0