SC4503TSKTRT Semtech, SC4503TSKTRT Datasheet - Page 6

• Manufacturer Part Number: SC4503TSKTRT
• Description: IC SW REG STEP-UP 1.4A TSOT23-5
• Manufacturer: Semtech
• Type: Step-Up (Boost), Sepicr

Specifications of SC4503TSKTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 27V
• Current - Output: 1.4A
• Frequency - Switching: 1.3MHz
• Voltage - Input: 2.5 ~ 20 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC4503TSKTR

 2007 Semtech Corp.
POWER MANAGEMENT
Typical Characteristics
1.30
1.25
1.20
1.15
1.10
400
300
200
100
2.6
2.4
2.2
2.0
1.8
1.6
0
-50
-50
0.0
FB Voltage vs Temperature
Threshold vs Temperature
-25
V
-25
Switch Saturation Voltage
IN
Under-voltage Lockout
0.5
vs Switch Current
Temperature (° C)
Temperature (° C)
Switch Current (A)
0
0
-40° C
25° C
25
25
1.0
125° C
50
50
75
75
1.5
100 125
100 125
2.0
6
0.80
0.75
0.70
0.65
0.60
2.0
1.8
1.6
1.4
1.2
1.0
1.5
1.4
1.3
1.2
1.1
1.0
-50
-50
-50
-25
-25
-25
V
Switching Frequency
Switch Current Limit
IN
Temperature (° C)
Temperature (° C)
vs Temperature
Temperature (° C)
0
vs Temperature
0
vs Temperature
0
Quiescent Current
25
25
25
50
50
50
V
SHDN/SS
V
FB
75
75
75
= 1.5V
= 3V
100 125
100 125
100 125
www.semtech.com
SC4503