AP1117D50G-13 Diodes Zetex, AP1117D50G-13 Datasheet - Page 2

• Manufacturer Part Number: AP1117D50G-13
• Description: LDO Regulator Pos 5V 1A 3-Pin (2+Tab) TO-252 T/R
• Manufacturer: Diodes Zetex
• Type: Linearr

Specifications of AP1117D50G-13

• Package: 3TO-252
• Function: LDO
• Number Of Outputs: 1
• Input Voltage Range: 18 to 6.4 V
• Output Voltage: 5 V
• Maximum Output Current: 1 A
• Output Type: Fixed
• Typical Dropout Voltage @ Current: 1.3@1A V
• Operating Temperature: -40 to 125 °C
• Polarity: Positive

Typical Application Circuit
Pin Descriptions
Functional Block Diagram
AP1117
Document number: DS31009 Rev. 20 - 2
Adj (GND)
Pin Name
V
V
OUT
IN
V
I/O
IN
O
I
I
5V
Tab is V
( 5V/3.3V fixed output )
3
V
GND
OUT
V
OUT
PIN #
IN
Shutdown
1
2
3
Thermal
C1
10uF
A resistor divider from this pin to the V
The output of the regulator. A minimum of 10uF capacitor (0.15Ω ≤ ESR ≤ 20Ω) must
The input pin of regulator. Typically a large storage capacitor is connected from this
(Ground only for Fixed-Mode).
be connected from this pin to ground to insure stability.
pin 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 1.3V
higher than V
22uF
C2
+
OUT
+
3.3V/1A
www.diodes.com
in order for the device to regulate properly.
-
2 of 11
1A LOW DROPOUT POSITIVE ADJUSTABLE
CURRENT
LIMIT
Note:
Tab is V
5V
( 5V/2.5V ADJ output )
Description
OUT
V
OUT
V
OUT
+
Adj
IN
pin and ground sets the output voltage
1.25V
OR FIXED-MODE REGULATOR
V
o
C1
10uF
=
V
+
REF
121
121
R1
R2
×
(FIXED)
Ω
Ω
GND
(1
1
2
1
V
+
o
V
22uF
C2
R
Adj
R
OUT
2
1
2.5V/1A
)
AP1117
© Diodes Incorporated
March 2011