SC4517A
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: V
IN
= 12V, V
COMP
= 0.8V, V
BST
= V
IN
+ 5V, EN = Tied to V
IN
, SYNC = 0, SW = open.
T
A
= T
J
= -40°C to 125°C.
PARAMETER
Enable Input Threshold Voltage
SYMBOL
V
IH
V
IL
CONDITIONS
MIN
2
TYP
MAX
UNITS
V
0.4
-10
EN = 100mV below threshold
7
1.5
1.6
V
SYNC
= 0.5V
20
2
15
V
µA
µA
V
MHz
kΩ
Enable Input Bias Current
I
IL
I
IH
SYNC Threshold Voltage
SYNC Input Frequency
(3)
SYNC Pin Resistance
Notes:
(1) The device is not guaranteed to function outside of its operating condition.
The required minimum input voltage for a regulated output depends on the output voltage and load condition.
(2) Guaranteed by design.
(3) For SYNC applications, please contact factory.
Marking Information
Adjustable Options (MSOP)
SC4517AIMS
Voltage Options (MSOP)
SC4517AIMSXX
APAJ
yyww
AP50
yyww
yyww = Date Code (Example: 0012)
xxxx = Semtech Lot No. (Example: E901
xxxx
01-1)
Adjustable Options (MLPD)
SC4517AIML
SC
4517
yyww
Part Number Code (Example: AP50 = 5.0V (50)
yyww = Date Code (Example: 0012)
xxxx = Semtech Lot No. (Example: E901
xxxx
01-1)
Voltage Options (MLPD)
SC4517AIMLXX
4517
XX
yyww
yyww = Date Code (Example: 0012)
Part Number Code (Example: XX = 5.0V (50)
yyww = Date Code (Example: 0012)
2006 Semtech Corp.
4
www.semtech.com
SEMTECH [ SEMTECH CORPORATION ]
