AS1324-AD EB austriamicrosystems, AS1324-AD EB Datasheet - Page 8

• Manufacturer Part Number: AS1324-AD EB
• Description: BOARD EVAL AS1324-AD
• Manufacturer: austriamicrosystems

Specifications of AS1324-AD EB

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 600mA
• Voltage - Input: 2.7 ~ 5.5 V
• Regulator Topology: Buck
• Frequency - Switching: 1.5MHz
• Board Type: Fully Populated
• Utilized Ic / Part: AS1324-AD
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption
• Power - Output: -

AS1324
Datasheet - D e t a i l e d D e s c r i p t i o n
8 Detailed Description
The AS1324 is a high-efficiency buck converter that uses a constant-frequency current-mode architecture. The device contains two internal
MOSFET switches and is available in adjustable- and fixed-output voltage versions.
Figure 21. AS1324 - Block Diagram
www.austriamicrosystems.com/DC-DC_Step-Down/AS1324
V
OUT
/V
EN
FB
5
1
R
R
Reference
1
2
Not applicable to AS1324
AS1324-12: R
AS1324-15: R
AS1324-18: R
0.6V
Frequency
OSC
Shift
Shutdown
FB
1
1
1
ΔV
ΔV
0.6V +
+ R
+ R
+ R
0.6V -
0.6V
OVL
OVL
2
2
2
= 600kΩ
= 750kΩ
= 900kΩ
OSCN
Compensator
Ramp
–
+
–
+
+
–
OVDET
Error
Amp
Revision 1.05
Digital
Logic
AS1324
IRCMP
–
+
Through
ICOMP
Shoot
Anti-
+
–
NMOS
PMOS
4
V
3
SW
2
GND
IN
4.7µH
10µF
C
IN
V
V
OUT
C
10µF
IN
8 - 20
OUT