AX1509 Datasheet PDF - Orister
Part Number | AX1509 | |
Description | 2A PWM Buck DC/DC Converter | |
Manufacturers | Orister | |
Logo | ||
There is a preview and AX1509 download ( pdf file ) link at the bottom of this page. Total 8 Pages |
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AX1509
150KHz, 2A PWM Buck DC/DC Converter
Description
The AX1509 is Monolithic IC that design for a step-down DC/DC Converter, and own the
ability of driving a 2A load without additional transistor component. The output version
included 3.3V, 5V, 12V and an adjustable type. It operates at a switching frequency of
150KHz thus allowing smaller sized filter components than what would be needed with lower
frequency switching regulators. Other features include a guaranteed ±4% tolerance on
output voltage under specified input voltage and output load conditions, and ±15% on the
oscillator frequency. Regarding protected function, thermal shutdown is to prevent over
temperature operating from damage, and current limit is against over current operating of
the output switch.
Features
• 3.3V, 5V, 12V and adjustable
• Adjustable version output voltage range: 1.25-18V
• ±4% max over line and load conditions
• 150KHz ±15% fixed switching frequency
• TTL shutdown capability
• Operating voltage can be up to 22V
• Output load current: 2A
• SOP-8 and DIP-8 packages
• Low power standby mode
• Thermal-shuntdown and current-limit protection
• High efficiency
• Built-in switching a transistor on chip, requires only 4 external components
Applications
• Simple High-efficiency step-down regulator
• Positive to negative converter
• On-card switching regulators
Pin Connections
87 65
12 34
Pin1: Operating Voltage Input
Pin2: Switch Output
Pin3: Output Voltage Feedback Control
Pin4: ON/OFF Shutdown
Pin5: Ground
Pin6: Ground
Pin7: Ground
Pin8: Ground
Page No. : 1/8
8-Lead Plastic DIP-8
Package Code: P
•
8-Lead Plastic SOP-8
Package Code: S
DS-AX1509-01 Aug, 2006
www.Orister.com
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Typical Application Circuit
Fig.1 Fixed Type Circuit
+
DC
3 FB
1
Vin
4
AX1509
Fix Output
567
2
Output
8
C1 SD Gnd Gnd Gnd Gnd
680uF
L1
33uH
D1
1N5825
Page No. : 5/8
C2
220uF
L
O
A
D
Fig.2 Adjustable Output Voltage Versions
+
DC
R2 3 FB
1K
R1
1
AX1509
2
Vin Adjustable Output Output
45678
L1
47uH
C1 SD Gnd Gnd Gnd Gnd
680uF
D1
1N5825
C2
220uF
L
O
A
D
DS-AX1509-01 Aug, 2006
www.Orister.com
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AX1509 electronic component. |
Information | Total 8 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ AX1509.PDF Datasheet ] |
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