MIC2358 Datasheet, PDF (7/29 Pages) Micrel Semiconductor – IEEE 802.3af Octal Power Sourcing Equipment Controller

Micrel, Inc.
Absolute Maximum Ratings⁽¹⁾
PxOUTPOS, PxOUTNEG, 48VS ............ -0.3V to +100V
PxGATE ...................................................... -0.3V to +6V
All other pins................................................ -0.3V to +6V
Storage Temperature (T_s) .....................-65°C to +150°C
ESD Rating⁽³⁾
Human Body Model ........................................1000V
Machine Model .................................................100V
Lead Temperature (Soldering, 10 sec)
Lead-free Package (YML)
IR Reflow .......................................260°C +0°C/-5°C
MIC2358YLQ
Operating Ratings⁽²⁾
Supply Voltage (V_IN) ................................... +43V to +60V
Ambient Temperature (T_A) .......................... 0°C to +70°C
Junction Thermal Resistance
LQFP64 (θ_JA) No Air Flow......................... 42.34°C/W
LQFP64 (θ_JC) No Air Flow........................... 12.9°C/W
DC Electrical Characteristics⁽⁴⁾
(48VS – ARTN) = 48V; TA = 25°C, unless otherwise noted. Bold values indicate specifications apply over the full operating
temperature range of 0°C < TA < +70°C, unless otherwise noted.
Symbol
Parameter
Condition
Min
Typ Max Units
Power Supplies
VDD1
5V Supply Voltage
IDD1
5V Supply Current
VCC
48V Supply Voltage
ICC
48V Supply Current
Detection, see Functional Characteristics Rsense=1Ω
VDETECT1
Detection Voltage Point 1
15kΩ ≤ RSIG ≤ 33kΩ
VDETECT2
Detection Voltage Point 2
15kΩ ≤ RSIG ≤ 33kΩ
VDETECT
VDETECT2-VDETECT1
tDETECT1-2
Time between test points 1 & 2
VDETECTOC
Open-circuit Detection Voltage RSIG = 332kΩ, 5%
IDETECTSC
Short-circuit Detection Current RSIG = 0
Limit
RSIGvalid
Valid Signature Resistance
RSIGreject
Reject Signature Resistance
CSIGMAX
Maximum Valid Signature
Capacitance
Classification, See Functional Characteristics
VCLASS
Classification Drive Voltage
0mA < ICLASS < 55mA
ICLASS
Classification current
compliance
ICLASSTH
Classification Current
Threshold
Class 0-1
Class 1-2
Class 2-3
Class 3-4
Class 4 – Overcurrent
4.5
5.5
V
8
40
mA
44
60
V
0.05
.2
mA
2.8
3.6
9
V
3.8
7.2
10
V
1
3.6
V
2
ms
2.8
11
30
V
0
2.3
5
mA
19
R<15
0
26
kΩ
R>33 kΩ
.15
µF
15.5
19 20.5
V
55
88
100
mA
5
8
mA
13
16
mA
21
25
mA
31
35
mA
45
51
mA
July 2010
7
M9999-070810