AP1122YL-13 Diodes Inc, AP1122YL-13 Datasheet - Page 2

• Manufacturer Part Number: AP1122YL-13
• Description: IC REG LDO 1.2V 1A SOT89-3
• Manufacturer: Diodes Inc

Specifications of AP1122YL-13

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: Up to 12V
• Number Of Regulators: 1
• Current - Output: 1A (Max)
• Current - Limit (min): 1.1A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SC-62, SOT-89, TO-243 (3 Leads + Tab)
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 12 V
• Output Voltage: 1.2 V
• Output Type: Fixed
• Dropout Voltage (max): 1.3 V at 1 A
• Output Current: 1 A
• Line Regulation: 0.2 %
• Load Regulation: 1 %
• Voltage Regulation Accuracy: 2 %
• Maximum Power Dissipation: 15 W
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Dropout (typical): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical Application Circuit
Pin Descriptions
Functional Block Diagram
AP1122
Document number: DS31012 Rev. 9 - 2
Pin Name
GND
V
V
OUT
IN
V
IN
I/O
O
I
I
3
Pin #
1
2
3
Shutdown
Thermal
Ground Pin
The output of the regulator. A minimum of 10uF capacitor (0.15Ω ≤ ESR ≤ 20Ω)
The input pin of regulator. Typically a large storage capacitor is connected from
must be connected from this pin to ground to insure stability.
this pin to ground to insure that the input voltage does not sag below the
minimum dropout voltage during the load transient response.
2.5V
Tab is V
OUT
V
GND
V
OUT
+
IN
+
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2 of 11
100uF
C1
1A LOW DROPOUT POSITIVE REGULATOR
CURRENT
LIMIT
Description
100uF
C2
+
1.2V/1A
1.2V
+
2
1
AP1122
GND
V
© Diodes Incorporated
OUT
May 2010