FAN5094 Fairchild Semiconductor, FAN5094 Datasheet - Page 5

• Manufacturer Part Number: FAN5094
• Description: Multi-Phase Interleaved Buck Converter
• Manufacturer: Fairchild Semiconductor

PRODUCT SPECIFICATION
Electrical Specifications
(V
The • denotes specifications which apply over the full operating temperature range.
Notes:
1. Steady State Voltage Regulation includes Initial Voltage Setpoint, Output Ripple and Output Temperature Drift and is
2. As measured at the converter’s VFB sense point. For motherboard applications, the PCB layout should exhibit no more than
3. Using the VFB pin for remote sensing of the converter’s output at the load, the converter will be in compliance with Intel’s
REV. 1.0.2 5/13/02
PWRGD Threshold
PWRGD Hysteresis
PWRGD Output Voltage
PWRGD Delay
12V UVLO
UVLO Hysteresis
12V Supply Current
Over Temperature Shutdown
Over Temperature Hysteresis
CC
measured at the converter’s VFB sense point.
0.2m Ω trace resistance between the converter’s output capacitors and the CPU. Remote sensing should be used for optimal
performance.
VRM 9.0 specification of +70, -70mV.
= 12V, V
Parameter
OUT
= 1.500V, and T
A
= +25°C using circuit in Figure 1, unless otherwise noted.)
Logic LOW, minimum
Logic LOW, maximum
I
High → Low
HDRV and LDRV open
sink
(continued)
= 4mA
Conditions
•
•
•
Min.
108
8.5
85
Typ.
111
500
150
9.5
1.0
88
20
20
25
Max.
10.5
115
0.4
92
FAN5094
%V
Units
µsec
mV
mA
°C
°C
V
V
V
out
5