RT9183-18GL Richtek USA Inc, RT9183-18GL Datasheet - Page 2

• Manufacturer Part Number: RT9183-18GL
• Description: IC REG LDO 1.8V 1.5A TO252
• Manufacturer: Richtek USA Inc

Specifications of RT9183-18GL

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: 2.3 V ~ 5.5 V
• Voltage - Dropout (typical): 0.33V @ 1.5A
• Number Of Regulators: 1
• Current - Output: 1.5A (Max)
• Current - Limit (min): 2A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-252-3, DPak (2 Leads + Tab), SC-63
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RT9183
Pin Configurations
Typical Application Circuit
www.richtek.com
2
VOUT
ADJ
VIN
EN
VIN
1
SOT-223
2
3
4
SOP-8
(TAB)
GND
2
VOUT
8
7
6
5
3
GND
GND
GND
GND
V
Enable
IN
= 3.3V
SOT-223 (F-Type)
0.1µF
GND
1
V
VIN
IN
C
1
GND(TAB)
10µF
TO-263
VOUT
(TAB)
C
Figure 1. 3.3V to 2.5V Regulator
2
IN
2
V
Figure 2. Adjustable Operation
OUT
VOUT
(SOT-223 & TO-263 & TO-252)
C
10µF
3
VIN
3
IN
=
0.8
(SOP-8 & TO-263-5)
VIN
EN
VIN
(TOP VIEW)
×
(1
RT9183
RT9183
GND
GND
+
R2
R1
VOUT
VOUT
ADJ
)Volts
EN
1
VIN
VIN
TO-263-5
GND(TAB)
1
2
TO-252
(TAB)
3
GND
R
R
2
VOUT ADJ
1
2
C
10µF
4
OUT
VOUT
3
5
C
10µF
2.5V, 1.5A
Note: The value of R2 should be less
V
OUT
OUT
V
OUT
than 80k to maintain
regulation.
DS9183-16 February 2011
TO-252 (F-Type)
GND
1
VOUT
(TAB)
2
VIN
3