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PM6675STR 数据表(PDF) 7 Page - STMicroelectronics

部件名 PM6675STR
功能描述  High efficiency step-down controller with embedded 2 A LDO regulator
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM6675STR 数据表(HTML) 7 Page - STMicroelectronics

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PM6675S
Electrical data
7/53
3
Electrical data
3.1
Maximum rating
19
CSNS
Current sense input for the switching section. This pin must be connected
through a resistor to the drain of the synchronous rectifier (RDS(ON) sensing)
to set the current limit threshold.
20
PHASE
Switch node connection and return path for the high side gate driver.
21
HGATE
High-Side Gate Driver Output
22
BOOT
Bootstrap capacitor connection. Input for the supply voltage of the high-side
gate driver.
23
LIN
Linear Regulator Input. Bypass to LGND by a 10µF ceramic capacitor for
noise rejection enhancement.
24
LOUT
LDO linear regulator output. Bypass with a 20
µF (2 x 10 µF MLCC) filter
capacitor.
Table 2.
Pin functions (continued)
N°
Pin
Function
Table 3.
Absolute maximum ratings (1)
1.
Free air operating conditions unless otherwise specified. Stresses beyond those listed under "absolute
maximum ratings" may cause permanent damage to the device. Exposure to absolute maximum rated
conditions for extended periods may affect device reliability.
Symbol
Parameter
Value
Unit
VAVCC
AVCC to SGND
-0.3 to 6
V
VVCC
VCC to SGND
-0.3 to 6
PGND, LGND to SGND
-0.3 to 0.3
HGATE and BOOT to PHASE
-0.3 to 6
HGATE and BOOT to PGND
-0.3 to 44
VPHASE
PHASE to SGND
-0.3 to 38
LGATE to PGND
-0.3 to VCC +0.3
CSNS, SPG, LEN, SWEN, LILIM, COMP, VSEL,
VSNS, VOSC, VREF, NOSKIP to SGND
-0.3 to VAVCC + 0.3
LPG,VREF, LOUT, LFB to SGND
-0.3 to VAVCC + 0.3
LIN, LOUT, LPG, LIN to LGND
-0.3 to VAVCC + 0.3
Maximum withstanding Voltage range test
condition: CDF-AEC-Q100-002- “Human Body
Model” acceptance criteria: “Normal
Performance”
± 1250
V



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