Features
| Application：
|
Blog
Features
| Application：
|
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Unit |
| Supply Voltage | VIN | -0.3 | 62 | V |
| Switch Voltage | VSW | -0.3 | VIN(MAX)+0.3 | V |
| BST to SW | -0.3 | 6.0 | V | |
| All Other Pins | -0.3 | 6.0 | V | |
| Continuous Power Dissipation(TA=+25℃) | PD | 0.568 | W | |
| Junction Temperature | T | 150 | ℃ | |
| Lead Temperature | T | 260 | ℃ | |
| Storage Temperature | TSTG | -65 | 150 | ℃ |
| Operating Junction Temp | TJ | -40 | 125 | ℃ |
| Junction-to-Ambient THermal Resistance | θJA | 220 | ℃/W | |
| Junction-to-Case THermal Resistance | θJC | 110 | ℃/W |
Electrical Characteristics
Vin=12V,Tamb= 25℃,unless specified otherwise.
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
| Feedback Voltage | Vfb | 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 | |
| Turn-back frequency | Fsw-f | Vfb=0V | 150 | KHz | ||
| Under-voltage on voltage | Vuvlo-r | 2.9 | 3.3 | 3.73 | V | |
| Under-voltage lockout | Vuvlo-f | 2.65 | 3.05 | 3.45 | V | |
| Minimum Switch ON Time | Ton min | 100 | ns | |||
| Enable on voltage | Venr | 1.35 | V | |||
| Enable off voltage | Venf | 1.17 | V | |||
| EN input current | Ien | Ven=2V | 3.1 | μA | ||
| Ven=0V | 0.1 | μA | ||||
| Quiescent Current | Iq | Ven=2V, Vfb=1V | 0.73 | 0.86 | mA | |
| Shutdown Current | Is | Ven=0V | 0.1 | 1.0 | μA | |
| Thermal Shutdown | Tsd | 165 | ℃ |
Order Information
| Part No | Package | Manner of Packing | Devices per bag/reel |
| SSP9459 | SOT23-6 | Reel | 3000 |
Shanghai Siproin
Microelectronics Co.,Ltd.
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