82573 Datasheet, PDF (22/39 Pages) Intel Corporation – GbE Controllers

82573—Datasheet
3.3.4.3
Internal Voltage Regulators Components for the 82573
Table 7.
3.3.4.4
Table 8.
82573 Bill of Materials (BOM) of Components for Internal Regulator
Description
Quantity
Recommended Component
Manufacturer
Part Number
Package
PNP Transistor
For 1.2V LVR
1
PNP Transistor
For 2.5V LVR
1
2.5V Internal LVR Specification
Philips
Philips
BCP-69-16
BCP-69-16
SOT-223
SOT-223
2.5V Internal LVR Specification¹
Parameter
Input Voltage
Input Voltage Slew Rate
Value
Minimum Maximum
3.0
3.6
5
Units
V
ms
Input Capacitance
4.7
µF
Comments
Input Capacitance ESR
Load Current
Output Voltage Tolerance
Output Capacitance
Output Capacitance ESR
Current Consumption During Power Up
10
mΩ
1
-
-5
+5
4.7
A
V_OUT = 2.500 V
%
µF
10
mΩ
0.5
mA
Current Consumption During Power Down
0.5
mA
Maximum Undershoot
Peak to Peak Output Ripple
PSRR
External PNP h_FE
100
1. The use of tantalum capacitors is not recommended.
< 10
120
20
%
of nominal supply
mV
±60 mV at 20 MHz
bandwidth
dB
22