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: 19/38页
文件大小: 950K
代理商: TPS40130RHB
www.ti.com
1
2
3
4
30
29
28
27
PGND
LDRV2
SW2
HDRV2
LDRV1
VIN5
SW1
HDRV1
TPS40130DBT
5
6
7
8
BOOT1
OVSET
VOUT
GSNS
9
10
11
DIFFO
CS1
CSRT1
12
13
14
15
COMP
VREF
DROOP
FB
26
25
24
23
BOOT2
SS
UVLO
BP5
22
21
20
19
AGND
CS2
CSRT2
RT
18
17
16
PGOOD
ILIM
EN/SYNC
R17
R18
5 V
C7 2200 pF
L2
D2
BAT54A
5 V
L1
12 V
R11
C8
C17
Q2
Q5, Q6
PGND
C20
C19
C21
C12
C13
Q1
Q3, Q4
C10
FB
EN/SYNC
5 V
LOAD
R35
0.1 %
R44
0.1%
R43
0.1%
BP5
R1
C4
R34
0.1%
D1 BAT54A
C15
R33
0.1 %
R2
C5
R42
0.1 %
R32
0.1 %
R40
0.1 %
C2
0.1
F
R19
1.62 k
VOUT
C9
0.1
F
R12 10
R10
10 k
R14
10 k
R22
10 k
R16 10 k
R8 10 k
R5 90.9 k
C6
0.1
F
1.0
VOUT
R13
10 k
1.0
C1
0.1
F
VREF
UDG04092
VOUT
SLUS602B – JUNE 2004 – REVISED SEPTEMBER 2005
APPLICATION INFORMATION (continued)
Figure 18 shows how to configure for a 5-V output. The resistor dividers on the CSx and CSRTx inputs are
necessary to reduce the common mode voltage into the current sense amplifiers. The differential amplifier is not
used because with a 5-V output, remote sensing is not generally necessary. If the differential Amplifier is
necessary, a voltage divider of 2/3 should be used and the magnitude of the resistors should be about 500
and 1 k
.
Figure 18. Application Circuit for Providing 5-V Output
26
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