PDF《AOZ7648QI-06》

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24 Absolute Maximum Ratings Exceeding the Absolute Maximum Ratings may damage the device. Notes: 1. Devices are inherently ESD sensitive, handling precautions are required. Human body model rating: 1.5k? in series with 100pF. 2. 1x1inch, 2-layer PCB, follow JEDEC standard. Recommended Operating Conditions The device is not guaranteed to operate beyond the Maximum Recommended Operating Conditions. Parameter Rating VDRAIN -0.7V to 100V VO, VCPG, VCPS -0.3V to 26V VDD,VGATE, VTXVDD, VTONC, VFB, VCS- SECP, VCSSECN, VDET, VRT, VTXP, VTXN -0.3V to 7V VFTB, VSDA, VSCL -0.3V to 7V Junction Temperature (TJ) +150°C Storage Temperature (TS) -65°C to +150°C ESD HBM(1) 2.5kV ESD CDM(1) 1kV Parameter Rating Supply Voltage (VO) 3V to 21.5V Ambient Temperature (TA) -40°C to +125°C Package Thermal Resistance 25°C/W(2) Electrical Characteristics VO=5V, TA = -25°C to 85°C, unless otherwise specified. Symbol Parameter Conditions Min Typ Max Units MOSFET BVDSS (3) Drain-Source Breakdown Voltage

100 V RDS(ON) ON State Resistance TA = 25°C, ID= 1A

9 12 m? VO VO_OVP VO Over-Voltage Protection No I2 C command 5.7 6.0 6.3 V tO_OVP (3) VO OVP Debounce Time fS = 145kHz, VFB = 0V

5 ?s VO_LDO LDO Enable Voltage 5.5 5.6 5.7 V SUPPLY SECTION VDD_ON Turn-On Threshold Voltage 3.35 3.5 3.65 V VDD_UVLO Turn-Off and Under-Voltage Lock-Out 2.5 2.7 2.9 V VDD_LDO VDD Regulation Voltage VO=8V 5.3 5.4 5.55 V VTXVD- D_LDO TXVDD Regulation Voltage 3.4 3.8 4.2 V IDD_ON Startup Current

100 200

300 ?A IDD_OP Operation Current Fs=145kHz

5 7.5

10 mA IDD-SKIP Skip Mode Operation Current No Switching 1.7 2.0 2.3 mA CV/CC CONTROL VREFV Reference Voltage for CV No I2C command 0.98 1.00 1.02 V VUVP (3) CV UVP Level FB <

60% CV DAC Setting

60 % tVUVP (3) CV UVP De-bounce Time

100 ?s VREFC Reference Voltage for CC No I2C command

10 11

12 mV AOZ7648QI-06 Rev. 1.0 January

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24 FREQUENCY FMAX Maximum Frequency VFB <

VREF

135 145

155 kHz DMAX Maximum Duty VFB <

VREF, VDET = 0V

84 87

90 % CABLE COMPENSATION VCOMP Compensation Value VCSSEC = 10mV, no I2C command

30 36

42 mV SR DETECTION VTH_ON SR Turn On Threshold -250 -150 -50 mV VDETZC SR Turn OFF Threshold TA = 25°C -16 -10 -5 mV tDSR _ON (3) SR Turn-ON Delay Time

100 ns tSR_ON_ MIN (3) SR Minimum Turn-ON Period

800 1000

1200 ns tSR_ON_ INH (3) SR Inhibit Period

650 800

900 ns ON TIME REDUCTION tG_IN (3) Enable ON Time Reduction (TONR) Period Switching period >

tG_IN

40 45

50 ?s tG_OUT (3) Disable ON Time Reduction (TONR) Period Switching period <

tG_OUT

16 18

20 ?s %_tON_LV (3) Percentage of Last Level Period for TONR tON_LV3 / tON_LV0

40 50

60 % ON TIME tTX_ON Time of TX signal (TXP to TXN) IDET = 2700?A 1.80 ?s IDET = 2200?A 2.20 ?s IDET = 1700?A 2.70 ?s IDET = 1200?A 3.60 ?s IDET = 700?A 5.55 ?s VTXRP (3) Level of TX signal VO = 5V, w/o pulse transformer 3.4 3.8 4.2 V VTXRP3V (3) Level of TX signal VO = 3V, w/o pulse transformer

2 V EXTERNAL OTP (RT) IOTP Source Current

45 50

55 ?A VOTP (3) OTP Enable Level 0.5 V tOTP (3) Debounce Time

50 60

70 ms OVER TEMPERATURE PROTECTION Thermal Shutdown TJ rising

145 °C Thermal Shutdown Recovery Temperature TJ falling

125 °C Electrical Characteristics (Continued) VO=5V, TA = -25°C to 85°C, unless otherwise specified. Symbol Parameter Conditions Min Typ Max Units AOZ7648QI-06 Rev. 1.0 January

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24 Notes: 3. Guaranteed by design. 4. Refer to Figure