| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Frequency | 135 kHz |
| Number of Pins | 8 Pin |
| Case/Package | PDIP-8 |
| Number of Outputs | 1 Output |
| Output Voltage | 16.5 V |
| Output Current | 1.5 A |
| Number of Positions | 8 Position |
| Switching Frequency | 600 kHz |
| Duty Cycle | 74 % |
| Output Current (Max) | 1500 mA |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -25 ℃ |
| Supply Voltage | 8.7V ~ 30V |
| Supply Voltage (Max) | 30 V |
| Supply Voltage (Min) | 10 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 9.6 mm |
| Size-Width | 6.4 mm |
| Size-Height | 3.4 mm |
| Operating Temperature | -25℃ ~ 85℃ |
The KA7552A/KA7553A are switching power control IC for wide operating frequency range. The internal circuits include pulse by pulse current limiting, protection, on/off control by external trigger, low standby current, soft start, and high current totempole output for driving a POWER MOSFET. Maximum duty of the KA7552A is 70% and the KA7553A is 46%. When duty is maximum, the input threshold voltage of pin2 & pin8 are not same in KA7552A and KA7553A.
●Features
●---
● |
● Built-in Drive Circuits for Direct Connection POWER MOSFET (lO = ±1.5A)
● Wide Operating Frequency Range (5KHz - 600KHz)
● Pulse By Pulse Over Current Limiting
● Over Load Protection
● On/Off Control By External Trigger
● Internal UVLO
● Low Standby Current (Typ. 90uA)
● Soft Start Circuit
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