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MIC5162 Datasheet(PDF) 3 Page - Micrel Semiconductor

Part # MIC5162
Description  Dual Regulator Controller For High-Speed Bus Termination
PDF  11 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC5162 Datasheet(HTML) 3 Page - Micrel Semiconductor

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February 2005
3
M9999-092004
MIC5162
Micrel, Inc.
Electrical Characteristics
T
A = 25°C with VDDQ = 2.5V; VCC = 5V; VEN = VCC; bold values indicate –40ºC<TJ<+125ºC; unless otherwise specified. See test
circuit 1 for test circuit configuration.
Parameter
Condition
Min
Typ
Max
Units
V
REF Voltage
–1%
0.5V
DDQ
1%
V
V
TT Voltage Accuracy (Note 2)
Sourcing; 100mA to 3A
–5
0.4
5
mV
–10
–10
Sinking; –100mA to –3A
–5
0.6
5
mV
–10
10
Supply Current (I
DDQ)VEN = 1.2V (controller ON)
120
140
µA
No Load
200
Supply Current (I
CC)
No Load
15
20
mA
25
I
CC Shutdown Current (Note 3)
V
EN = 0.2V (controller OFF)
10
35
µA
Start–up Time (Note 4)
V
CC, = 5V external bias; VEN = VIN
815
µs
30
Enable Input
Enable Input Threshold
Regulator enable
1.2
V
Regulator shutdown
0.3
V
Enable Hysteresis
40
mV
Enable Pin Input Current
V
IL < 0.2V (controller shutdown)
0.01
µA
V
IH > 1.2V (controller enabled)
5.5
µA
Drive
High Side Gate Drive Voltage
High Side MOSFET Fully ON
4.8
4.97
V
High Side Gate Drive Voltage
High Side MOSFET Fully OFF
0.03
0.2
V
Low Side Gate Drive Voltage
Low Side MOSFET Fully ON
4.8
4.97
V
Low Side Gate Drive Voltage
Low Side MOSFET Fully OFF
0.03
0.2
V
Note 1.
Exceeding the absolute maximum ratings may damage the device.
Note 2.
The V
TT voltage accuracy is measured as a delta voltage from the reference output (VTT – VREF).
Note 3.
Shutdown current is measured only on the V
CC pin. The VDDQ pin will always draw a minimum amount of current when voltage is applied.
Note 4.
Start-up time is defined as the amount of time from V
EN = VCC to HSD = 90% of VCC.
Absolute Maximum Ratings (Note 1)
Supply Voltage (V
CC) ...................................................... 7V
Supply Voltage (V
DDQ) .................................................... 7V
Enable Input Voltage (V
EN) ............................................. 7V
Junction Temperature Range ............ –40°C < TJ < +125°C
Operating Ratings (Note 2)
Supply Voltage (V
CC) ............................................ 3V to 6V
Supply Voltage (V
DDQ) ....................................... 1.35V - 6V
Enable Input Voltage (V
EN) .................................. 0V to VIN



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