SC2612E
POWER MANAGEMENT
Pin Configuration
TOP VIEW
FB
VCC
DL
GND
1
2
3
4
8
7
6
5
SS/EN
COMP
BST
DH
Ordering Information
Part Numbers
(1)
SC2612ESTRT
(2)
Frequency
500kHz
P ackag e
SO-8
Note:
(1) Only available in tape and reel packaging. A reel contains
2500 devices.
(2) Lead free product. This product is fully WEEE and RoHS
compliant.
(SO-8)
Pin Descriptions
Pin #
1
2
3
4
5
6
7
8
Pin Name
FB
VC C
DL
GND
DH
BST
COMP
SS/EN
Switcher section feeedback input.
Chip Supply Input Voltage.
Switcher Low side FET drive output.
Analog and Power Ground, connect directly to ground plane, see layout guidelines.
Switcher High side FET drive output.
Supply voltage for FET drives.
Output of the Switcher section voltage error amplifier.
Soft start and enable pin, controls the switcher output voltage ramp rate.
Pin Function
Block Diagram
VCC
VREF
UVLO
+
-
UVLO
&
REF
LEVEL SHIFT AND
HIGH SIDE DRIVE
BST
DH
SHDN
+
R
Q
SHOOT -T HRU
CONT RO
L
FB
COMP
SS/EN
-
-
+
S
VREF
25uA
OSCILLAT OR
-
+
+
-
SSOVER
R
Q
S
SYNCHRONOUS
MOSFET DRIVE
DL
GND
2004 Semtech Corp.
4
www.semtech.com
SEMTECH [ SEMTECH CORPORATION ]
