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参数资料
| 型号： | L6996DTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | MO-153AD, TSSOP-24 |
| 文件页数： | 8/26页 |
| 文件大小： | 272K |
| 代理商： | L6996DTR |
L6996
16/26
2
APPLICATION INFORMATION
2.1 Demo board description
The demoboard shows the device operation in general purpose applications. The evaluation board needs two
different supplies; one for the IC section (5V), and another for the conversion section (up to 28V). Output current
in excess of 20A can be reached dependently on the MOSFET type. The SW1 is used to start the device (when
the supplies are already present) and to select the VID code (i.e. the output voltage).
Figure 16. Schematic Diagram
C1
+5V
U7
U5
U6
U8
U2
PGOOD
GNDSENSE
C2
+5V
OVP
VPR
C3
+5V
Q8
Q7
Q6
U4
U3
Rout
VOUTSENSE
+5V
R18
R19
R24
C7
+5V
R20
R21
R22
R23
SHDN
DPSLVR
+5V
DPSLP
+5V
VID4:0
GMUXSEL
U9
R14
D2
L6996
PGOOD
OVP
VPROG
VFB+
VFB-
CS-
CS+
GND
PGND
LGATE
PHASE
HGATE
ILIM
BOOT
OSC
SS
VCC
VID4:0
VDR
R2..R6
R1
C10
R9
R7
C4
R16
C9
R15
C6
R8
VIN
VOUT
GND
C8
C11
R11
R10
Q5
R12
R13
R17
C5
SHDN
+5V
C18..C23
C12..C17
L1
GND
D1
Q3,4,5
Q1,2
+5V
U1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6997 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS |
| L6997-28 | 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT |
| L6997-5 | 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT; Accessory Type:Tuning Element; For Use With:High Quality Variable Reactance Tuning Microwave Cavities, Filters & other Resonant Structures |
| L6997-9 | 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT |
| L6997D | 功能描述:DC/DC 开关控制器 Adjustable Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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