AP1184K5-33L-U Diodes Inc, AP1184K5-33L-U Datasheet - Page 2

• Manufacturer Part Number: AP1184K5-33L-U
• Description: IC REG LDO 4A 3.3V TO263-5
• Manufacturer: Diodes Inc

Specifications of AP1184K5-33L-U

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 16V
• Voltage - Dropout (typical): 0.7V @ 4A
• Number Of Regulators: 1
• Current - Output: 4A
• Current - Limit (min): 4.2A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-5, D²Pak (5 leads + Tab), TO-263BA
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 16 V
• Output Voltage: 3.3 V
• Output Type: Fixed
• Dropout Voltage (max): 0.38 V at 1500 mA
• Output Current: 4 A
• Line Regulation: 0.2 %
• Load Regulation: 33 mV
• Maximum Power Dissipation: 4.4 W
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Assignments
Pin Descriptions
Pin Numbers with standard type are for TO220-5L, TO263-5L packages.
Block Diagram
AP1184 Rev. 5
Vsense
Name
(GND)
Vctrl
Vout
Adj
Vin
I/O
O
I
I
I
FRONT VIEW
TO263-5L
Tab is Vout
Vctrl
Vin
This pin is the positive side of the reference that allows remote load sensing to achieve
excellent load regulation. A minimum of 10uF capacitor must be connected from this pin
to ground to insure stability.
only for fixed mode)
to ground to insure that the input voltage does not sag below the minimum dropout
voltage during the load transient response. This pin must always be higher than Vout in
order for the device to regulate.
pass transistor. This pin must always be higher than the Vout pin in order to regulate the
device. A minimum of 100uF capacitor must be connected from this pin to ground to
insure stability.
pin to ground to insure stability.
A resistor divider from this pin to the Vout pin and ground sets the output voltage. (GND
The input of the regulator. Typically a large storage capacitor is connected from this pin
This pin is the supply pin for the internal control circuit as well as the base drive for the
The output of the regulator. A minimum of 100uF capacitor must be connected from this
5
4
3
2
1
SHUTDOWN
THERMAL
Vin
Vctrl
Vout
Vsense
Adj(GND)
CURRENT
LIMIT
4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR
www.diodes.com
+
+
-
2 of 12
Description
1.25V
+
FRONT VIEW
TO220-5L
FIXED-MODE REGULATOR
Tab is Vout
+
5
4
3
2
1
Vsense
Vout
Adj
SEPTEMBER 2008
©
Vin
Vctrl
Vout
Adj(GND)
Vsense
AP1184
Diodes Incorporated