SC4501
POWER MANAGEMENT
Absolute Maximum Rating
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
Supply Voltage
SW Voltage
FB Voltages
SHDN Voltage
Operating Temperature Range
Thermal Resistance Junction to Ambient (MSOP-8)
Thermal Resistance Junction to Ambient (MLPD-10)
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering)10 sec
ESD Rating (Human Body Model)
Symbol
V
IN
V
SW
V
FB
V
SHDN
T
A
θ
JA
θ
JA
T
J
T
STG
T
LEAD
ESD
Typ
-0.3 to 18
-0.3 to 32
-0.3 to 2.5
-0.3 to V
IN
+ 1
-40 to +85
40
Units
V
V
V
V
°C
°C/W
40
160
-65 to +150
260
2000
°C
°C
°C
V
Electrical Characteristics
Unless specified: V
IN
= 2V, SHDN = 1.5V, R
OSC
= 7.68kΩ, -40°C < T
A
= T
J
< 85°C
Parameter
Undervoltage Lockout Threshold
Maximum Operating Voltage
Feedback Voltage
Feedback Voltage Line
Regulation
FB Pin Bias Current
Error Amplifier Transconductance
Error Amplifier Open-Loop Gain
COMP Source Current
COMP Sink Current
V
IN
Quiescent Supply Current
V
IN
Supply Current in Shutdown
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Switch Current Limit
Switch Saturation Voltage
©
2005 Semtech Corp.
Test Conditions
Min
Typ
1.3
Max
1.4
16
Unit
V
V
V
V
%
T
A
= 25°C
-40°C < T
A
< 85°C
1.5V < V
IN
< 16V
1.224
1.217
1.242
1.260
1.267
0.01
40
60
49
80
nA
µΩ
−1
dB
µA
µA
V
FB
= 1.1V
V
FB
= 1.4V
V
SHDN
= 1.5V, V
COMP
= 0 ( Not Switching )
V
SHDN
= 0
1.3
85
5
5
1.1
10
1.5
90
0
2
2.8
220
350
1.6
18
1.7
mA
µA
MHz
%
%
A
mV
I
SW
= 2A
2
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