AME9172M Datasheet, PDF (7/15 Pages) Analog Microelectronics – Bus Termination Regulator

AME
AME9172M
Bus Termination Regulator
n Electrical Specifications
Limits in standard typeface are for T_A = 25^OC, unless otherwise specified:
DDR3 => V_IN = 1.5V, V_CNTL = 3.3V, V_REFEN = 0.5V_IN
Parameter
Symbol
Test Condition
Output Offset Voltage
Load Regulation
(DDR 2 / 3)
V_OS
V_LOAD
I_OUT = 0A (Note 1)
I_L = 0 to 2A
I_L = 0 to -2A
Operating Current of V_CNTL I_CNTL
No Load
Short Circuit Protection
DDR 2 / 3 Current Limit
I_LIMIT
Over Temperature Protection
Thermal Shutdown
Temperature
T_SD
Thermal Shutdown
Hysteresis
V_IH
Shutdown Threshold
V
POR Threshold
POR Hysteresis
Short Circuit (Note 2)
V_{CNTL_TH}
V_{CNTL_HYS}
I_{SC_VIN}
I_{SC_GND}
V_CNTL= 3.3V or 5V
Guaranteed by design
Enable
Shutdown
Rising Level
Sinking
Sourcing
Shutdown Current of V_CNTL I_{CNTL_SD} VREFEN=0V, IOUT=0V (Fig 3)
Min Typ Max Units
-20 0 20 mV
-20 0
-20 0
20
mV
20
0.5 1.5 mA
2.0
4A
170
o_C
30 50
0.5
V
0.2
2.7 2.9 V
0.2
V
1.5
A
1
50 90 µA
Note1: V_OS offset is the voltage measurement defined as V_OUT subtracted from V_REFEN.
Note2: When testing short-circuit, V_OUT must be lower than 0.4V.
Rev.C.01
7