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参数资料
| 型号： | L6911DTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 6/17页 |
| 文件大小： | 241K |
| 代理商： | L6911DTR |
Obsolete
Product(s)
- Obsolete
Product(s)
L6911D
14/17
Figure 9. Voltage regulation with droop function block scheme
It results:
Because in the interested range |Gloop|>>1.
To obtain a flat shape, the relationship considered will naturally follow.
Application Idea: 1.100V to 1.850V / 25A
Figure 10 shows an application schematic for a 1.100V to 1.850V conversion with 25A of current capability.
Since the device's high gate drive, more than one mosfet for both high side and low side can be used: three
STS11NF30L (30V, 9mW typ @ Vgs=10V) mosfet are suggested for high side while four of them are suggested
as low side switch.
Figure 10. Schematic Circuit
Av(s)
R(s )
V out
Vco m p
Iout
d
s
L
s
OUT
R
τ
+
+
1
Z
OUT
V
o
I
LO AD
----------------
R
d
1s
τ
L
+
1s
τ
d
+
------------------
G
LOOP
1G
L OOP
+
-----------------------------
R
OUT
1s
τ
L
+
1s
τ
d
+
------------------
==
=
L2
L1
R7
R8
R9
C1-3
C23
C4-9
C17
Q4,Q5,Q6
Q1,Q2, Q3
D2
C17
F1
16
17
13
14
2
4
5
6
7
8
U1
L6911D
+5 VIN
+12Vcc
VOUTCORE
Vss
10
15
9
3
20
18
11
19
12
1
VCC
GND
VID0
VID1
VID2
VID3
VID4
SS
OSC
OCSET
UGATE
PHASE
LGATE
PGND
PGOOD
VSEN
VFB
COMP
R3
R4
R5
R2
C18
C19
C20
VID0
VID1
VID2
VID3
VID25mV
C24
D1
R6
R1
OVP
R10
C16
PWRGD
R15
R14
R13
C21-22
BOOT
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| L6924U013 | POWER SUPPLY SUPPORT CKT, PQCC16 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6911E | 功能描述:DC/DC 开关控制器 5-Bit Prog 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 |
| L6911E_07 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5-Bit programmable step down controller with synchronous rectification |
| L6911ETR | 功能描述:DC/DC 开关控制器 5B PROGRAMMABLE STEP DOWN CONTROLLER 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 |
| L6912-2 | 制造商:Thomas & Betts 功能描述:1/2 CORD GRIP CONNECTOR,2/BG |
| L6913-1 | 制造商:Thomas & Betts 功能描述:1/2 CORD GRIP CONNECTOR,1/BG |
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