SC2615 Datasheet, PDF (4/13 Pages) Semtech Corporation – Complete DDR Power Solution

POWER MANAGEMENT
Pin Configuration
Top View
SC2615
Ordering Information
Part Numbers
Package
SC2615MLTR⁽¹⁾
MLP-18
Notes:
(1) Only available in tape and reel packaging. A reel
contains 3000 devices.
(MLP-18)
Pin Descriptions
Pin #
Pin Name
1
FB
2
VTTSNS
3
LGND
4
5VSTBY
5,6
VTT
7
8
9
10
11
12
13, 14
15
16
17
18
VDDQSTBY
VDDQIN
3.3VCC
PGOOD
BF_CUT
AGND
NC
TG
12VCC
NC
SS/EN
Pin Function
Feedback for the VDDQ and standby LDO.
V_TT LDO feedback and remote sense input.
VTT regulator ground.
IC V_CC from 5V standby.
VTT regulator output. A 0.1µF - 1µF ceramic capacitor must be placed less than
0.25 inch from VTT pins to Ground.
VDDQ "suspend to memory" regulator output.
VDDQ supply input to V_TT regulator.
Input Power rail.
VDDQ regulator power good indicator.
BF_CUT signal from "Glue" chip. Controls the BF_CUT MOSFET during S3.
Analog ground.
No Connection.
Regulator control for VDDQ output MOSFET.
Supply for VDDQ control.
No connection.
Soft start/Enable control.
 2003 Semtech Corp.
4
www.semtech.com