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L99LD21 bảng dữ liệu(PDF) 51 Page - STMicroelectronics

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DS11130 Rev 5
51/73
L99LD21
Electrical specifications
72
6
Electrical specifications
6.1
Absolute maximum ratings
Stressing the device above the rating listed in the Table 31 may cause permanent damage
to the device. These are stress ratings only and operation of the device at these or any other
conditions above those indicated in the operating sections of this specification is not implied.
Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
Table 31. Absolute maximum ratings
Symbol
Parameter
Value
Unit
VS
Battery supply voltage
-0.3 to 40
V
VSPI
Supply voltage of the SPI interface
-0.3 to 6.5
V
V5V
5V Voltage Regulator Capacitor Output
-0.3 to 6.5
V
V3V3
3.3V Voltage Regulator Capacitor Output
-0.3 to 4.6
V
VCSN, VSDI, VSCK
SPI pins voltage
-0.3 to 6.5
V
VSDO
SPI pin voltage
-0.3 to VSPI + 0.3
V
VCBOOT1, VCBOOT2
Buck-related high voltage pins
-0.3 to 65
V
VCBOOT1-VLX1,
VCBOOT2-VLX2
Buck MOSFET overdrive
-0.3 to 4.6
V
VBUCKIN1, VBUCKIN2,
VLED1, VLED2
Buck input and output pins voltage
-0.3 to 62
V
VLX1, VLX2
Buck switching node pins voltage
-1.0 to 62
V
IVLEDx
VLEDx pins maximum injected current
0.1
mA
VDIN
Direct input pin voltage
-0.3 to 6.5
V
VPWMCLK
Clock input pin (for internal PWM dimming
generator)
-0.3 to 6.5
V
VSYNC_I/O
Boost synchronization I/O pin
-0.3 to V3V3+0.3
V
VG0
Boost gate driver pin voltage
-0.3 to V5V + 0.3
V
VSP
Boost sense positive pin voltage
-0.3 ÷ V3V3 + 0.3
V
VSN
Boost sense negative pin voltage
-0.3 ÷ 1
V
VCOMP
Boost compensation network pin voltage
-0.3 ÷ V3V3 + 0.3
V
VFB
Boost feedback pin voltage
-0.3 ÷ V3V3 + 0.3
V
Tj
Junction operating temperature
-40 to 150
°C
TSTG
Storage temperature
-55 to 150
°C



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