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L9663 Datasheet(PDF) 14 Page - STMicroelectronics |
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L9663 Datasheet(HTML) 14 Page - STMicroelectronics |
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14 / 106 page  Overall description L9663 14/106 DS11401 Rev 6 The device offers a high level of flexibility on power supply configuration. The calculated maximum power dissipation can reach 1.6 W considering the worst case configuration. 1.6 Detailed block diagram Figure 4. Detailed block diagram Temperature Ta Ambient operating temperature range -40 140 °C Tj Junction operating temperature range -40 175 °C Rthja Package thermal resistance (on PCB JEDEC 2s2p) 45 °C/W Table 4. Pin maximum ratings (continued) Symbol Description Min Max Unit Bootstrap #1 Sync Pulse generator #1 - current limitation; VB BL1 BH1 SYNC1 VDD Wake Up DGND Monitor POR +VINTD/A Monitors DGND RESETN VAS VGS PSI#1 main: - current decoder; - high voltage protection; - voltage regulation; - current limitation; PSI1 Sync Pulse Monitor#1 PSIx_uv Monitor #1 PSI1 diagnostics: - short to high voltage; - overcurrent (stg); - leakage to ground; - open load; - overtemperature; Reset control VAS pre- regulator Clock control + diagnostics CLKIN Main oscillator 16MHz + spread spectrum + FLL Monitor oscillator 7.5MHz + spread spectrum Ibias clk Charge Pump VASSUP VINTA regulator VINTD regulator VGS-VAS Clamp Soft Start VAS uv/ov Monitor VAS uvl Monitor BH2 SYNC2 BL2 PSI2 PSI5 ch#2 PSI5 ch#1 DOUT2 DOUT1 SCLK CS MOSI MISO SPI Module Trimming: - bandgap; currents; - oscillators; - en clock monitor; - PSI5 IFs; - Sync Pulse Vth Direct IF / Interrupt gen TM Data Management Logic #1 Bandgap1 (main) Bandgap2 (monitor) VINTD VassupOV Monitor VB OV Monitor Current Reference and generator GND1 GND2 Substrate GND CB1 CB2 CVINTD CVB CVDD CVAS PSI5 Sensors Line L9663 Init data buffers VDD VSUP RE2_2 CE_2 CL_2 PSI5 Sensors Line RE2_1 CE_1 CL_1 GAPG1610151215PS |
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