SC2446 Semtech Corporation, SC2446 Datasheet - Page 5

• Manufacturer Part Number: SC2446
• Description: Dual-Phase Single or Two Output Synchronous Step-Down Controller
• Manufacturer: Semtech Corporation

Unless specified: AVCC = PVCC = V
Notes:
(1) Guaranteed by design not tested in production.
(2) This device is ESD sensitive. Use of standard ESD handling precautions is required.
POWER MANAGEMENT
L
L
Electrical Characteristics (Cont.)
P
n I
O
Pin Configurations
o
o
COMP2
a
COMP1
2004 Semtech Corp.
u
e t
a
a
ROSC
a r
p t
AGND
REF
REF
SYNC
d
d
n r
CS2+
CS2-
CS1+
CS1-
m
t u
IN1-
REF
IN2-
R
R
l a
t e
e
e
V
OUT
IN
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g
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u
5 .
a t
t a l
t a l
V
g
o i
o i
e
R
n
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e f
e r
n
(28-Pin TSSOP)
c
(TOP VIEW)
e
Figure 2
IN2
B
u
=12V, V
f f
r e
BST1
= V
BST2
= 12V, SYNC= 0, R
S
y
V
SS2/EN2
AVCC
m
SS1/EN1
VPN1
BST1
GDH1
GDL1
VPN2
VIN2
PGND
GDL2
GDH2
BST2
PVCC
R
E
b
F
l o
I
0
0
R
E
<
<
F
=
OSC
I
I
R
R
1 -
E
E
= 51.1k , -40°C < T
F
F
O
m
5
<
U
C
A
Notes:
(1) Only available in tape and reel packaging. A reel
contains 2500 devices for TSSOP package.
(2) Lead free product.
T
o
5 -
Ordering Information
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6
6
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V
E
A
B
T
= T
R
J
T
< 85°C
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