RT9164AGL Richtek USA Inc, RT9164AGL Datasheet - Page 2

• Manufacturer Part Number: RT9164AGL
• Description: IC REG LDO ADJ 1A TO252
• Manufacturer: Richtek USA Inc

Specifications of RT9164AGL

• Regulator Topology: Positive Adjustable
• Voltage - Output: Adj to 1.25V
• Voltage - Input: 3 V ~ 14 V
• Voltage - Dropout (typical): 1.3V @ 1A
• Number Of Regulators: 1
• Current - Output: 1A (Max)
• Current - Limit (min): 1A
• 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

RT9164A
Typical Application Circuit
www.richtek.com
2
V
V
IN
IN
= 5V
= 5V
V
IN
= 5V
10uF
C
10uF
C
IN
IN
(2) C
(1) C
Figure 1. Adjustable Voltage Regulator
Figure 3. Active SCSI Bus Terminator
VIN
Figure 2. Fixed Voltage Regulator
VIN
OUT
IN
(2) C
RT9164A-28
(1) C
needed if device is far from filter capacitors.
RT9164A
10uF
required for stability.
C
GND
OUT
IN
ADJ
IN
needed if device is far from filter capacitors.
VOUT
I
Q
required for stability.
VOUT
VIN
RT9164A-33
GND
I
ADJ
V
VOUT
REF
I
Q
C
22uF
OUT
133
232
1%
1%
R1
R2
V
OUT
Tantalum
10uF
C
= V
Tantalum
10uF
OUT
C
OUT
REF
V
3.3V
OUT
(1+
V
OUT
18 - 27 Lines
R
R
2
1
= 3.45V
)+I
ADJ
DS9164A-14 April 2010
R
2