SC192
POWER MANAGEMENT
Absolute Maximum Ratings
Parameter
V IN i n p u t
SYN C/PWM Input
E N In p u t
PGN D to GN D
LX Voltage
ILIM Voltage
ADJ Voltage
COMP Voltage
BP Voltage
Thermal Impedance Junction to Ambient
Output Shor t Circuit to GN D
LX Current
Peak IR Reflow Temperature
SC192IMLTR (Soldering) 10s - 30s
SC192IMLTRT (Soldering) 20s - 40s
Storage Temperature
Symbol
V
IN
V
SYNC
V
EN
V
PGDN
V
LX
V
IL IM
V
ADJ
V
COMP
V
BP
θ
JA
t
SC
I
L X
T
LE A D
T
S
Maximum
-0.
to 7.5
-0.3
3 to 7
-0.
to 7.5
-0.3
3 to 7
-0.
to 7.5
-0.3
3 to 7
-0.3 to 0.3
-1 to VIN +1
-0.3 to VIN + 0.3
-0.3 to VIN + 0.3
-0.3 to VIN + 0.3
VIN - 0.3 to VIN + 0.3
*57
Continuous
+1.6
240
260
-65 to +160
°
PRELIMINARY
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.
Units
V
V
V
V
V
V
V
V
V
C/W
s
A
°
C
C
°
* Tied to PCB with 1 square inch, 2 ounce copper.
Note: This device is ESD sensitive. Use of ESD handling precautions is required.
Electrical Characteristics
Unless otherwise noted: VIN = 3.6V, SYNC/PWM = VIN, ILIM = VIN, EN = VIN, T
A
=-40 to 85°C. Typical values are at T
A
= +25°C.
Parameter
Input Voltage Range
ADJ Regulation Voltage
ADJ Input Current
Output Voltage Adjust Range
Line Regulation
Load Regulation
(1)
P-Channel On Resistance
N-Channel On Resistance
©
2007 Semtech Corp.
Symbol
V
IN
V
AD J
I
ADJ
V
OUT
REG
LINE
REG
LOAD
R
DSP
R
DSN
Conditions
Min
2.7
0.731
Typ
Max
5
7
.5
Units
V
V
nA
V
%
%
Ω
Ω
0.75
0
0.769
50
V
IN
+0.5
0.6
ADJ = 0.75V
-50
V
AD J
-0.5
Peak Inductor Current =
0 to 700mA
I
LX
= 200mA
I
LX
= 200mA
2
0
0.3
0.4
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