AP1121BSL-U Diodes Inc, AP1121BSL-U Datasheet - Page 2

• Manufacturer Part Number: AP1121BSL-U
• Description: IC REG LDO 1A 3.3/1.8V 8-SOIC
• Manufacturer: Diodes Inc

Specifications of AP1121BSL-U

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V, 1.8V
• Voltage - Input: Up to 18V
• Voltage - Dropout (typical): 1.3V @ 1A
• Number Of Regulators: 2
• Current - Output: 1A
• Current - Limit (min): 1.1A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Assignments
Pin Descriptions
AP1121 Rev. 5
3.3V(V
Pin Name
2.5V/1.8V
V
V
(V
V
OUT2
OUT1
V
GND
V
IN1
IN2
OUT2
IN
OUT1
)
1
2
3
4
)
( Top View )
Ground
The output of the regulator. A minimum of 10uF capacitor (0.15Ω ≤ ESR ≤ 20Ω) must be
The input pin of regulator. Typically a large storage capacitor (0.15Ω ≤ ESR ≤ 20Ω) is
connected from this pin to ground to insure stability.
connected from this pin to ground.
AP1121
SOP-8L
8
7
6
5
GND
GND
GND
GND
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DUAL 1A LOW DROPOUT POSITIVE REGULATOR
2 of 7
Descriptions
FEBRUARY 2009
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AP1121
Diodes Incorporated