MIC2592B Datasheet, PDF (7/31 Pages) Micrel Semiconductor – Dual-Slot PCI Express Hot-Plug Controller

MIC2592B
Absolute Maximum Ratings⁽¹⁾
Supply Voltages
12VIN[A/B] ............................................................... 14V
3VIN[A/B], VSTBY[A/B] ............................................... 7V
Any Logic Pin......................... –0.5V (min) to 3.6V (max)
Output Current (/FAULT[A/B], /INT, SDA)................... 10mA
Power Dissipation..................................... Internally Limited
Lead Temperature
(IR Reflow, Peak Temperature)........ 240°C +0°C/–5°C
Pb-Free Package (-xYTQ)
(IR Reflow, Peak Temperature)........ 260°C +0°C/–5°C
Storage Temperature................................ –65°C to +150°C
ESD Rating⁽³⁾
Micrel
Operating Ratings⁽²⁾
Supply Voltages
12VIN[A/B]................................................ 11.0V to 13.0V
3VIN[A/B]......................................................3.0V to 3.6V
VSTBY[A/B] ..................................................3.0V to 3.6V
Ambient Temperature (T_A) ............................. 0°C to + 70°C
Junction Temperature (T_J) ......................................... 125°C
Package Thermal Resistance
TQFP (θ_JA) ^{......................................................................}56.5°C/W
Electrical Characteristics⁽⁴⁾
12V_IN[A/B] = 12V, 3V_IN[A/B] = 3.3V, V_STBY[A/B] = 3.3V, T_A = 25°C, unless otherwise noted. Bold indicates specification applies over the
full operating temperature range from 0°C to +70°C.
Symbol
Parameter
Condition
Min Typ Max Units
Power Control and Logic Sections
I_CC12
I_CC3.3
I_CCSTBY
Supply Current
Undervoltage Lockout Thresholds
V_UVLO(12V)
V_UVLO(3V)
V_UVLO(STBY)
12VIN[A/B]
3VIN[A/B]
VSTBY[A/B]
12V_IN[A/B] increasing
3V_IN[A/B] increasing
V_STBY[A/B] increasing
V_HYSUV
Undervoltage Lockout Hysteresis
12V_IN, 3V_IN
V_HYSSTBY
Undervoltage Lockout Hysteresis
V_STBY[A/B]
Power-Good Undervoltage Thresholds
V_UVTH(12V)
V_UVTH(3V)
V_UVTH(VAUX)
12VOUT[A/B]
3VOUT[A/B]
VAUX[A/B]
12V_OUT[A/B] decreasing
3V_OUT[A/B] decreasing
V_AUX[A/B] decreasing
V_HYSPG
Power-Good Detect Hysteresis
V_GATE(12V)
12VGATE Voltage
I_{GATE(12VSINK)} 12VGATE Sink Current
Start Cycle
I_{GATE(12VPULLUP)}
12VGATE Pull-up Current (Fault Off) Any fault condition
(V_DD –V_GATE) = 2.5V
V_GATE(3V)
3VGATE Voltage
I_{GATE(3VCHARGE)} 3VGATE Charge Current
Start Cycle
I_GATE(3VSINK)
3VGATE Sink Current (Fault Off)
Any fault condition
V_GATE = 2.5V
CFILTER[A/B] Overcurrent Delay Time, Pin 20 (RFILTER[A&B]) Floating or NC
2.5
5
mA
0.5
1
mA
2.5
5
mA
8
9
10
V
2.2
2.5 2.75 V
2.8
2.9
3.0
V
180
mV
50
mV
10.2 10.5 10.8 V
2.7
2.8
2.9
V
2.7
2.8
2.9
V
30
mV
0
1.5
V
15
25
35 µA
–20
mA
12V_IN–1.5
15
25
40
12V_IN V
35 µA
mA
V_FILTER
I_FILTER
CFILTER[A/B] Threshold Voltage
CFILTER[A/B] Charging Current
Delayms  ^{CFILTER  F  VFILTER (V)}  10³
I_FILTER A
V_12VIN – V_12VSENSE > V_THILIMIT
and/or
V_3VIN – V_3VSENSE > V_THILIMIT
1.20 1.25 1.30 V
1.80 2.5
5.0 µA
Notes:
1. Exceeding measurements given within the “Absolute Maximum Ratings” section may damage the device.
2. The device is not guaranteed to function outside of the measurements given in the “Operating Ratings" section.
3. Devices are ESD sensitive. Employ proper handling precautions. The human body model is 1.5kΩ in series with 100pF.
4. Specification for packaged product only.
March 2005
7
M9999-033105