ADP3152AR Analog Devices, ADP3152AR Datasheet - Page 2

• Manufacturer Part Number: ADP3152AR
• Description: 5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor
• Manufacturer: Analog Devices

Parameter
OUTPUT ACCURACY
OUTPUT VOLTAGE LINE
OUTPUT VOLTAGE LOAD
INPUT DC SUPPLY CURRENT
CURRENT SENSE THRESHOLD
VID PINS THRESHOLD
VID PINS INPUT CURRENT
VID0–VID4 PULL-UP RESISTANCE
C
OFFTIME
DRIVER OUTPUT TRANSITION
POSITIVE POWER GOOD TRIP POINT
NEGATIVE POWER GOOD TRIP POINT
POWER GOOD RESPONSE TIME
CROWBAR TRIP POINT
ERROR AMPLIFIER
ERROR AMPLIFIER
ERROR AMPLIFIER MINIMUM
ERROR AMPLIFIER MAXIMUM
ERROR AMPLIFIER BANDWIDTH –3 dB
SHUTDOWN (SD) PIN
NOTES
1
All limits at temperature extremes are guaranteed via correlation using standard quality control methods.
Specifications are subject to change without notice.
ADP3152–SPECIFICATIONS
Dynamic supply current is higher due to the gate charge being delivered to the external MOSFETS.
T
1.8 V Output Voltage
2.8 V Output Voltage
3.5 V Output Voltage
REGULATION
REGULATION
Normal Mode
Shutdown
VOLTAGE
Low
High
TIMES
OUTPUT IMPEDANCE
TRANSCONDUCTANCE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
Low Threshold
High Threshold
Input Current
PIN DISCHARGE CURRENT
1
Symbol
V
I
V
V
I
R
I
t
t
V
V
t
V
RO
GM
V
V
BW
SD
SD
SD
OFF
R
PWRGD
Q
16
9
V
V
O
8
16
VID
PWRGD
PWRGD
CROWBAR
CMPMIN
CMPMAX
, t
–V
, I
O
O
, V
L
H
IB
ERR
ERR
F
ERR
1
7
–I
1
–V
4
(0 C T
4
200 mA < I
Conditions
With Respect to Nominal
Output Voltage (Figure 13)
I
V
(Figure 2)
V
T
V
VID = 0 V
T
V
V
C
C
T
Output Coming Into Regulation
Output Coming Into Regulation
% Above Output Voltage
V
V
CMP = Open
Part Active
Part in Shutdown
LOAD
IN
SD
A
7
A
OUT
OUT
A
7
7
T
L
A
Forced to V
Forced to V
Forced to V
= +25 C, VID Pins Floating
= +25 C
= 7000 pF (Pins 13, 14)
= +25 C
= 150 pF
–2–
= 4.75 V to 5.25 V
= 0.8 V
in Regulation
= 0 V
+70 C, V
= 10 A (Figure 2)
LOAD
CC
OUT
OUT
OUT
= 12 V, V
< 14 A
– 3%
+ 3%
– 3%
IN
= 5 V, unless otherwise noted)
–1.0
–8
Min
–1.0
–1.0
125
2.0
20
1.8
9
2.0
Typ
0.05
0.1
3.7
140
145
110
30
65
2
2.45
120
5
–5
500
15
145
2.2
0.8
2.4
500
10
1.0
1.0
1.0
4.5
250
165
0.6
220
10
3.2
200
8
24
0.6
Max
Units
%
%
%
%
%
mA
mV
V
V
k
ns
%
%
%
k
mmho
V
V
kHz
V
V
REV. 0
A
A
A
A
s
s
A