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UM1063 Datasheet(PDF) 5 Page - STMicroelectronics

Part # UM1063
Description  The PM8803 is a highly integrated device embedding
PDF  32 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1063 Datasheet(HTML) 5 Page - STMicroelectronics

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UM1063
Electrical specifications
1
Electrical specifications
Table 1. Specifications for 3.3 V output
Parameter
Description
Min.
Typ.
Max.
Unit
Input voltage range
Applied at J3 connector
0
57
V
Operative input voltage
42
57
V
UVLO
Vin rising edge
36
V
Vin falling edge
30
V
Auxiliary input voltage range
35
60
V
Output voltage (Vout)
Vin= 42 V to 57 V, Iout 0 to Imax
3.25
3.35
3.45
V
Output current (Iout)
Vin= 42 V to 57 V
0
6
A
Peak-to-peak output ripple
48 Vin, Iout=Imax
20
30
mVpp
Inrush current limit
140
mA
DC current limit
640
mA
3.3 V efficiency DC-DC only
Vin=48 V, Iout=Imax
90
%
3.3 V overall efficiency
Vin=48 V, Iout=Imax
87
%
Switching frequency
200
kHz
Table 2. Specifications for 5 V output
Parameter
Description
Min.
Typ.
Max.
Unit
Input voltage range
Applied at J3 connector
0
57
V
Operative input voltage
42
57
V
UVLO
Vin rising edge
36
V
Vin falling edge
30
V
Auxiliary input voltage range
35
60
V
Output voltage (Vout)
Vin= 42 V to 57 V, Iout 0 to Imax
4.95
5.1
5.25
V
Output current (Iout)
Vin= 42 V to 57 V
0
4
A
Peak-to-peak output ripple
48Vin, Iout=Imax
20
30
mVpp
Inrush current limit
140
mA
DC current limit
640
mA
5 V efficiency DC-DC only
Vin=48 V, Iout=Imax
92
%
5 V overall efficiency
Vin=48 V, Iout=Imax
89
%
Switching frequency
200
kHz



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