FAN1112SX Fairchild Semiconductor, FAN1112SX Datasheet - Page 4

• Manufacturer Part Number: FAN1112SX
• Description: IC REG LDO 1A 1.2V SOT-223
• Manufacturer: Fairchild Semiconductor

Specifications of FAN1112SX

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: Up to 18V
• Voltage - Dropout (typical): 1.1V @ 1A
• Number Of Regulators: 1
• Current - Output: 1A
• Current - Limit (min): 1.1A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 18 V
• Output Voltage: 1.2 V
• Output Type: Fixed
• Dropout Voltage (max): 1.2 V at 1 A
• Output Current: 1 A
• Line Regulation: 0.2 %
• Load Regulation: 0.5 %
• Maximum Power Dissipation: 18 W
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN1112SX; FAN1112SXTR

PRODUCT SPECIFICATION
Typical Performance Characteristics
4
Figure 2. Dropout Voltage vs. Output Current
Figure 4. Reference Voltage vs. Temperature
Figure 6. GND Pin Current vs. Temperature
1.225
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
1.175
100
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
90
80
70
60
50
40
30
20
10
0
0
-75 -50 -25 0
-75 -50 -25 0
0
T
J
JUNCTION TEMPERATURE ( C)
JUNCTION TEMPERATURE ( C)
= 25 C
0.2
OUTPUT CURRENT (A)
T
J
= 0 C
0.4
25 50 75 100 125 150 175
25 50 75 100 125 150 175
0.6
T
J
= 125 C
0.8
1.0
Figure 5. Minimum Load Current vs. Temperature
Figure 7. Short-Circuit Current vs. Temperature
Figure 3. Load Regulation vs. Temperature
-0.20
-0.05
-0.10
-0.15
0.10
0.05
1.75
1.25
2.0
1.5
1.0
5
4
3
2
1
0
0
-75 -50 -25 0
-75 -50 -25 0
-75 -50 -25 0
I = 1A
JUNCTION TEMPERATURE ( C)
JUNCTION TEMPERATURE ( C)
JUNCTION TEMPERATURE ( C)
25 50 75 100 125 150 175
25 50 75 100 125 150 175
25 50 75 100 125 150 175
REV. 1.0.1 9/27/01
FAN1112