SC2442/H
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction.
Operation outside of the parameters specified in the Electrical Characteristics section is not implied.
Parameter
BST1, BST2 to PGND
S C 2442
S C 2442H
VIN to PGND
S C 2442
S C 2442H
BD I to PGND
OC 1 and OC 2 to VIN
PVC C , AVC C to PGND
BST1 to PH1, BST2 to PH2
GD 1H to PH1, GD 2H to PH2
GD 1L, GD 2L to PGND
PGND to AGND
PH1, PH2 -ve swi ng wrt PGND (for 100 nS)
All Other Pi ns to AGND
Juncti on Temperature
Storage Temperature Range
Lead Temperature (Solderi ng) 10 Sec.
Sy mbol
V
BST1,
V
BST2
Maximum
U nits
V
38
44
V
30
36
VIN
V
BD I
VIN - V
OC1
, VIN - V
OC2
PVC C , AVC C
VIN
-0.3 to +0.5
8
-0.3 to 8
-0.3 to PVC C
±0.3
V
V
V
V
V
V
V
V
°C
°C
°C
V
PH1,
V
PH2
-1
-0.3 to AVC C
-40 to +125
-60 to +150
260
Electrical Characteristics
Unless specified: T
A
= T
J
=
-
40 to 125°C, VIN = 24V, V
CC
= 7V, Fc = 550KHz
Parameter
U nderv oltage Lockout
Start Threshold
UVLO Hysteresi s
Power Supply
Operati ng C urrent
AVC C /PVC C Regulated
BD I D ri ve C urrent
Sy mbol
Test C onditions
Min
Ty p
Max
U nit
V
UVLO
V
HYST
AVC C ri si ng
AVC C falli ng
4.5
4.6
0.15
4.75
V
V
I
QSC
AVC C , PVC C
I
BDI
No load, SYNC /EN = Low
VIN > 8V
VIN > AVC C + 2V
6.7
3
8
7.0
5
13
7.3
mA
V
mA
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2007 Semtech Corp.
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