SC4501MSETRT Semtech, SC4501MSETRT Datasheet - Page 2

• Manufacturer Part Number: SC4501MSETRT
• Description: IC,SMPS CONTROLLER,CURRENT-MODE,TSSOP,8PIN,PLASTIC
• Manufacturer: Semtech

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