AME9172 Datasheet, PDF (8/16 Pages) Analog Microelectronics – Bus Termination Regulator

AME, Inc.
AME9172
Bus Termination Regulator
n Electrical Specifications
Limits in standard typeface are for T_A= 25 , unless otherwise specified:
DDR1 => V = 2.5V, V = 3.3V, V = 0.5V . (Note2)
IN
CNTL
REFEN
IN
Parameter
Symbol
Test Condition
Min Typ Max Units
Output Offset Voltage
V_OS
I_OUT = 0A (Note 1)
-20
0
20 mV
Load Regulation
(DDR 1 / 2 / 3)
V_LOAD
I_L = 0 to 1.5A (Fig 4)
I_L = 0 to -1.5A
-20
0
20
mV
-20
0
20
Input Voltage Range
(DDR 1 / 2 / 3)
DDR 1
1.8
2.5
4
V_IN
Keep V_{CNTL ≥} V_IN on
DDR 2
operation power on and
power off
DDR 3
1.6
1.8
4
V
1.3
1.5
4
V_CNTL
DDR 1 / 2 / 3 2.5
3.3
6
Operating Current of V_CNTL I_CNTL No Load
1.4
mA
Short Circuit Protection
DDR 1 / 2 / 3 Current Limit I_LIMIT
Over Temperature Protection
Fig 6,7
2.0
A
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
T_SD
3.3V ≤ V_CNTL≤ 5 V
Guaranteed by design
125
o_C
30
Note1: V_OS offset is the voltage measurement defined as V_OUT subtracted from V_REFEN.
Note2: DDR3 => V_IN = 1.5V, V_CNTL = 3.3V, V_REFEN = 0.5V_IN
8
Rev. A.01