Features
| Application
|
Blog
Features
| Application
|
Absolute Maximum Ratings
| Parameter | Range |
| Supply Voltage (VIN) | -0.3V~85V |
| Switch Voltage (VSW) | -0.3V~VIN(MAX)+0.3V |
| BST to SW | -0.3V~6.0V |
| All Other Pins | -0.3V~6.0V |
| Continuous Power(TA=+25°C) | 0.568W |
| Junction Temperature | 150℃ |
| Lead Temperature | 260℃ |
| Storage Temperature | -65℃~150℃ |
| Junction-to-Ambient THermal Resistance (θJA) | 220℃/W |
| Junction-to-Case THermal Resistance (θJC) | 110℃/W |
Electrical Characteristics
Vin=12V, Ta= 25℃, unless specified otherwise.
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
| Feedback Voltage | Vfb | 4.5<Vin<80V | 0.792 | 0.812 | 0.832 | V |
| Upper Switch ON Resistance | Rsw | Vbst-Vsw=5V | 1 | Ω | ||
| Upper Switch Leakage | Iswleak | Ven=0V, Vsw=0V | 1 | μA | ||
| Limiting Current | Ilim | 1.0 | 1.25 | 1.5 | A | |
| Oscillator Frequency | Fosc | 380 | 480 | 580 | KHz | |
| Foldback Frequency | Fsw-f | Vfb=0V | 150 | KHz | ||
| UVLO Up Threshold | Vuvlo-r | 2.9 | 3.3 | 3.73 | V | |
| UVLO Hysteresis | Vuvlo-f | 2.65 | 3.05 | 3.45 | V | |
| Minimum Switch ON Time | Ton min | 100 | ns | |||
| Enable Threshold Voltage | Venr | 1.35 | V | |||
| Enable Turn-off Voltage | Venf | 1.0 | V | |||
| EN Input Current | Ien | Ven=2V | 3 | μA | ||
| Ven=0V | 0.1 | μA | ||||
| Quiescent Current | Isq | Ven=2V, Vfb=1V | 0.73 | 0.86 | mA | |
| Shutdown Current | Isd | Ven=0V | 0.1 | 1.0 | μA | |
| Thermal Shutdown | Temp | 240 | ℃ |
Order Information
| Part No | Package | Manner of Packing | Devices per bag/reel |
| SSP9481 | SOT23-6 | Reel | 3000 |
Shanghai Siproin
Microelectronics Co.,Ltd.
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