参数资料
型号: TPS40130RHB
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC32
封装: PLASTIC, QFN-32
文件页数: 17/38页
文件大小: 950K
代理商: TPS40130RHB
www.ti.com
1
2
3
4
24
23
22
21
NC
BOOT2
SS
UVLO
BOOT1
OVSET
VOUT
GSNS
5
20
BP5
DIFFO
6
7
8
CS1
CSRT1
NC
32
31
30
29
28
27
26
25
HDR
V1
SW1
VIN5
LDR
V1
PGND
LDR
V2
SW2
HDR
V2
19
18
17
AGND
CS2
CSRT2
9
10
1
12
15
16
COMP
VREF
DROOP
FB
EN/SYNC
ILIM
PGOOD
RT
D2
BAT54A
C7 2200 pF
C4
R17
R18
C8
R11
R12
C10
R19
C5
R6
R7
R1
L2
TPS40130RHB
12 V
5 V
C19 C20
C21
C12 C13
L1
Q6
Q5
Q4
Q3
Q2
D1
BAT54A
C17
C15
Q1
TL431
R2
12 V
VREF
R8
10 k
C19
0.1
F
R16
10 k
R5
90.9 k
1
C6
0.1
F
R22
10
C2
0.1
F
1
VOUT
R10
10 k
R13
10 k
R21 51
R22 51
C1
0.1
F
10 k
10 k
115
UDG05080
R14
10 k
13
14
5 V
EN/SYNC
SLUS602B – JUNE 2004 – REVISED SEPTEMBER 2005
APPLICATION INFORMATION (continued)
Figure 16 shows the required 5-V input being generated with an external linear regulator. The regulator shown is
the TL431 shunt regulator which is a very cost effective solution. Depending on the required current to the
MOSFET gates, the 115
resistor may need to be a W or W resistor.
Figure 16. Application Circuit with an External Linear Regulator Providing VIN5
24
相关PDF资料
PDF描述
TPS40140RHHTG4 0.1 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC36
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TPS40130RHBT 功能描述:DC/DC 开关控制器 2-Ch Multiphase Buck DC/DC w/Int Drvr 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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