BD3530F Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – DDR-SDRAM Termination Regulator

Recommended Operating Conditions Ta=25˚C
Parameter
Symbol Min. Typ. Max. Unit
Input voltage
VCC
4.5
-
5.5
V
Termination input voltage VTT_IN 1.7
-
2.6
V
*This product is designed for protection against radioactive rays.
Electrical characteristics (Unless otherwise noted, Ta=25˚C, VCC=5V, VEN=3V, VDDQ=2.5V, VTT_IN=2.5V
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Standby current
Bias current
IST
-
-
10
µA ^VEN=0V
ICC
-
2
4
mA
<Termination>
Termination voltage
VTT VREF-30mV VREF VREF+30mV V ^{Io=-3A to 3A, Ta=0 to 100}
Source current
Sink current
ITT+
3
ITT-
-
-
-
A
-
-3
A
Upper side ON resistance
Lower side ON resistance
<Reference voltage>
Output voltage
Source current
HRON
-
LRON
-
VREF
IREF+
1/2
VDDQ-50mV
10
0.15
0.15
1/2
VDDQ
20
0.3
0.3
1/2
VDDQ+50mV
-
Ω
Ω
V
IREF=-10mA to 10mA
Ta=0 to 100
mA
Sink current
IREF-
-
-20
-10
mA
<UVLO>
UVLO OFF voltage
VUVLO
4.2
4.35
4.5
V
VCC : Sweep up
Hysteresis voltage
Design Guarantee
VUVLO
100
160
220
mV VCC : Sweep down
Application Circuit
EN
Enable
VCC
VDDQ
VTT_IN
VCC
Reference
Block
Thermal
Protection
VDDQ
VTT_IN
VCC
25kΩ
-
+
UVLO
25kΩ
VCC
VCC
TSD
EN
UVLO
Liner
N-MOS
Driver
VTT
TSD
EN
UVLO
VTTS
TSD
VREF
GND
BD3530F
VTT
1/2
VDDQ