L6919E View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6919E' PDF : 33 Pages View PDF
L6919E
Part List
R2
R1, R20,R21
R3, R4, R5, R6
R7
R8
R9
R10
R11
R12 to R19
C1
C2
C3, C4
C5, C6, C7, C8
C9, C10
C11 to C13
C14 to C18
C24
L1, L2
U1
Q1, Q3
Q2, Q4
D1, D2
D3, D4
S0,S4
S1,S2,S3
147k
Not Mounted
2.7k
1k
1.8k
47k
510
82
0
Not Mounted
22n
100n
1µ
10µ or 22µ / 16V
1800µ / 16V
2200µ / 6.3V
100n
0.8µ
L6919E
SUB85N03-04P
SUB70N03-09BP
STPS340U
1N4148
Short
Open
1%
SMD 0805
SMD 0805
1%
SMD 0805
1%
SMD 0805
SMD 0805
1%
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
Ceramic
SMD 1206
TDK Multilayer Ceramic SMD 1206
Rubycon MBZ
Radial 10x23
Rubycon MBZ
Radial 10x20
SMD 0805
77121 - 4Turns
STMicroelectronics
Vishay
Vishay
SO28
D2PACK
D2PACK
STMicroelectronics
STMicroelectronics
SMB
SOT23
STATIC PERFORMANCES
Figure 24 shows the demo board measured efficiency versus load current in steady state conditions without air-
flow at ambient temperature.
Figure 24. System Efficiency
90
85
80
75
70
65
60
55
50
0
c
5
10
15
20
25
30
35
40
45
Output Current [A]
28/33
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