参数资料
型号: L6919CD
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO28
封装: SO-28
文件页数: 20/32页
文件大小: 558K
代理商: L6919CD
27/32
L6919C
Part List
R1
10k
SMD 0805
R2, R20,R21
Not Mounted
SMD 0805
R3, R4, R5, R6
2.7k
1%
SMD 0805
R7
1k
1%
SMD 0805
R8
1.8k
SMD 0805
R9
47k
1%
SMD 0805
R10
510
SMD 0805
R11
82
SMD 0805
R12 to R19
0
SMD 0805
C1
Not Mounted
SMD 0805
C2
22n
SMD 0805
C3, C4
100n
SMD 0805
C5, C6, C7, C8
1
Ceramic
SMD 1206
C9, C10
10
or 22 / 16V
TDK Multilayer Ceramic SMD 1206
C11 to C13
1800
/ 16V
Rubycon MBZ
Radial 10x23
C14 to C18
2200
/ 6.3V
Rubycon MBZ
Radial 10x20
C24
100n
SMD 0805
L1, L2
0.8
77121 - 4Turns
U1
L6919C
STMicroelectronics
SO28
Q1, Q3
SUB85N03-04P
Vishay
D
2PACK
Q2, Q4
SUB70N03-09BP
Vishay
D
2PACK
D1, D2
STPS340U
STMicroelectronics
SMB
D3, D4
1N4148
STMicroelectronics
SOT23
S0,S4
Short
S1,S2,S3
Open
STATIC PERFORMANCES
Figure 23 shows the demo board measured efficiency versus load current in steady state conditions without air-
flow at ambient temperature.
Figure 23. System Efficiency
50
55
60
65
70
75
80
85
90
0
5
10
15
20
25
30
35
40
45
Output Current [A]
Efficiency
[%]
c
相关PDF资料
PDF描述
L6919E SWITCHING CONTROLLER, PDSO28
L6920DTR 1.2 A SWITCHING REGULATOR, PDSO8
L6920D 1.2 A SWITCHING REGULATOR, PDSO8
L6920 1.2 A SWITCHING REGULATOR, PDSO8
L6924D013TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
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