D1507
Category:
DC/DC Series Circuit
key word:
Description
Input voltage range
Output voltage
Internal benchmark
Output voltage accuracy
Output current
Switching frequency（kHz）
Operating temperature range
Packaging form
Compatible models
General Description
The D1507 is a monolithic IC designed for a step-down DC/DC converter and is capable of driving a 3A load without an external transistor. Due to reducing the number of external components, the board space can be saved easily. The external shutdown function can be controlled by logic level and then come into standby mode. The internal compensation makes the feedback control have good line and load regulation without an external design. Regarding the protected function, the thermal shutdown is to prevent over temperature operating from damaging the device, and current limit is against over current operating of the output switch. If the current limit function occurred and VFB is down to 0.5V below, the switching frequency will be reduced. The D1507 series 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. The output version included a fixed 3.3V, 5V, 12V, and an adjustable type.
D1507 is available in a TO252-5 package.
Features
· Output Voltage: 3.3V, 5V, 12V and Adjustable Output Version
· Adjustable Version Output Voltage Range, 1.23V to 37V± 4%
· 150KHz± 15% Fixed Switching Frequency
· Voltage Mode Non-Synchronous PWM Control
· Thermal-Shutdown and Current-Limit Protection
· ON/OFF Shutdown Control Input
· Operating Voltage can be up to 40V
· Output Load Current: 3A
· Low Power Standby Mode
· Built-in Switching Transistor On Chip
· Lead Free Finish/RoHS Compliant
Application
· Simple High-efficiency step-down regulator
· On-card switching regulators
· Positive to negative converter
Product manual
Product Consultation
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