参数资料
型号: L6919ETR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, PDSO28
封装: SO-28
文件页数: 21/33页
文件大小: 644K
代理商: L6919ETR
Obsolete
Product(s)
- Obsolete
Product(s)
L6919E
28/33
Part List
R2
147k
1%
SMD 0805
R1, 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
L6919E
STMicroelectronics
SO28
Q1, Q3
SUB85N03-04P
Vishay
D2PACK
Q2, Q4
SUB70N03-09BP
Vishay
D2PACK
D1, D2
STPS340U
STMicroelectronics
SMB
D3, D4
1N4148
STMicroelectronics
SOT23
S0,S4
Short
S1,S2,S3
Open
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
50
55
60
65
70
75
80
85
90
0
5
10
15
20
25
30
35
40
45
Output Current [A]
Ef
fi
ci
en
cy
[
%
]
c
相关PDF资料
PDF描述
LUW025F8 1-OUTPUT 16.5 W DC-DC REG PWR SUPPLY MODULE
L5973ADTR 2.3 A SWITCHING REGULATOR, PDSO8
LSN-1.8/10-D12BH DC-DC REG PWR SUPPLY MODULE
LM2575-33IN 4 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDIP16
LM2575IKTT 4 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
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L6920DBTR 功能描述:直流/直流开关转换器 SYNCRONOUS RECT. STEP UP CONVERTER RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT