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PM6685 Datasheet(PDF) 46 Page - STMicroelectronics

No. de pieza PM6685
Descripción Electrónicos  Dual step-down main supply controller with auxilary voltages for notebook system power
PDF  52 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6685 Datasheet(HTML) 46 Page - STMicroelectronics

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10.3
Power MOSFETs
OUT5: High side: STS12NH3LL
Low side: STS12NH3LL
OUT3: High side: STS12NH3LL
Low side: STS12NH3LL
10.4
Current limit
OUT5:
Equation 36
Equation 37
(Let’s assume the maximum temperature Tmax = 75°C in RDSon calculation)
OUT3:
Equation 38
Equation 39
(Let’s assume Tmax = 75°C in RDSon calculation)
A
22
.
4
2
(min)
I
(max)
I
(min)
I
L
LOAD
Lvalley
=
∆
−
=
Ω
≈
Ω
⋅
µ
≡
686
m
25
.
16
A
100
A
22
.
4
R
CSENSE
A
19
.
4
2
(min)
I
(max)
I
(min)
I
L
LOAD
Lvalley
=
∆
−
=
Ω
≈
Ω
⋅
µ
≡
681
m
25
.
16
A
100
A
19
.
4
R
CSENSE



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