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PM6675 数据表(PDF) 10 Page - STMicroelectronics

部件名 PM6675
功能描述  Very fast load transient response using constant on-time control loop
PDF  47 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM6675 数据表(HTML) 10 Page - STMicroelectronics

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Electrical characteristics
PM6675
10/47
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max
Current limit and zero crossing comparator
ICSNS
CSNS input bias current
90
100
110
µA
Comparator offset
-5
5
mV
Positive current limit threshold VPGND - VCSNS
-115
-100
-85
Fixed negative current limit
threshold
-130
-110
-90
VZC,OFFS
Zero crossing comparator
offset
-10
-5
0
High and low side gate drivers
HGATE driver on-resistance
HGATE high state (pull-up)
2.0
3
Ω
HGATE low state (pull-down)
1.8
2.7
LGATE driver on-resistance
LGATE high state (pull-up)
1.4
2.1
LGATE low state (pull-down)
0.6
0.9
UVP/OVP protections and PGOOD signals
OVP
Over voltage threshold
112
115
118
%
UVP
Under voltage threshold
67
70
73
PGOOD
SMPS upper threshold
107
110
113
SMPS lower threshold
87
90
93
LDO upper threshold
107
110
113
LDO lower threshold
87
90
93
IPG,LEAK
SPG and LPG Leakage
Current¹
SPG and LPG forced to 5.5V
1
µA
VPG,LOW
SPG and LPG Low Level
Voltage
ILPG,SINK = ISPG,SINK = 4mA
150
250
mV
Soft start section (SMPS)
Soft-start ramp time
(4 steps current limit)
23
4
ms
Soft-start current limit step
25
µA
Table 4. Electrical characteristics (continued)



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