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Numéro de référence | AX1509 | ||
Description | 2A PWM Buck DC/DC Converter | ||
Fabricant | Orister | ||
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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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Pages | Pages 8 | ||
Télécharger | [ AX1509 ] |
No | Description détaillée | Fabricant |
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