RT7274/79/80/81
Ordering Information
Discontinuous Operating Mode
RT7274
Marking Information
RT7274GSP
RT7274GSP : Product Number
RT7274
GSPYMDNN
YMDNN : Date Code
Package Type
SP : SOP-8 (Exposed Pad-Option 2)
Lead Plating System
G : Green (Halogen Free and Pb Free)
RT7280GCP
RT7280
RT7280GCP : Product Number
YMDNN : Date Code
Package Type
CP : TSSOP-14 (Exposed Pad)
RT7280
GCPYMDNN
Lead Plating System
G : Green (Halogen Free and Pb Free)
RT7279GCP
Forced PWM Mode
RT7279GCP : Product Number
YMDNN : Date Code
RT7279
RT7279
GCPYMDNN
Package Type
CP : TSSOP-14 (Exposed Pad)
Lead Plating System
G : Green (Halogen Free and Pb Free)
RT7281GSP
RT7281GSP : Product Number
YMDNN : Date Code
RT7281
RT7281
GSPYMDNN
Package Type
SP : SOP-8 (Exposed Pad-Option 2)
Lead Plating System
G : Green (Halogen Free and Pb Free)
Pin Configurations
(TOP VIEW)
14
13
VOUT
VINR
VIN
2
FB
3
12
11
10
9
BOOT
SW
SW
PGND
PGND
PVCC
SS
GND
PGOOD
EN
8
EN
FB
VIN
4
PGND
2
3
4
7
6
5
BOOT
SW
5
6
7
GND
PVCC
SS
15
9
8
GND
TSSOP-14 (Exposed Pad)
SOP-8 (Exposed Pad)
Copyright 2013 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
2
DS7274/79/80/81-01 February 2013
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
