XRP6142 Datasheet, PDF (3/17 Pages) Exar Corporation – Synchronous Step-Down Controller with DDR

XRP6142
Synchronous Step-Down Controller with DDR
Memory Termination
Parameter
Hiccup Timeout
Soft Start time
R_DS(ON)1, GH FET driver pull-up
On resistance
R_DS(ON)2, GH FET driver pull-down
On resistance
R_DS(ON)3, GL FET driver pull-up On
resistance
R_DS(ON)4, GL FET driver pull-down
On resistance
Min.
3
Typ.
110
5
2.5
2
2.5
2
Max.
10
Units
ms
ms
Ω
Ω
Ω
Ω
Conditions
0.5μs, 1μs and 2μs option, V_OUT=1V
I_GH=20 mA
I_GH=20 mA
I_GL=20 mA
I_GL=20 mA
BLOCK DIAGRAM
Figure. 2: XRP6142 Block Diagram
© 2010 Exar Corporation
Page 3 of 17
Rev. 1.0.0