參數(shù)資料
型號: TPS40132RHBT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 40 A SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC32
封裝: GREEN, PLASTIC, QFN-32
文件頁數(shù): 6/40頁
文件大小: 1032K
代理商: TPS40132RHBT
www.ti.com
Resistor Divider Calculation for VOUT, ILIM, OVSET and UVLO
(
)
BIAS
OUT
R1
R
0.6
V
0.6
=
-
(7)
(
)
ILIM
V
R6
R5
0.6
V
=
-
(8)
(
)
OUT(ov )
R3
R4
0.675
V
0.675
=
-
(9)
R8 + 1.0
R7
V
IN * 1.0
(10)
4
3
5
8
GSNS
DIFFO
VOUT
VREF
11
10
9
COMP
FB
EA+
+
600 mV
Error
Amplifier
Differential
Amplifier
15
ILIM
2
OVSET
TPS40132RHB
+
24
UVLO
C1
R2
R1
R
BIAS
R5
R6
R7
R8
VIN
R3
R4
UDG-07119
SLUS776A – DECEMBER 2007 – REVISED FEBRUARY 2008
Use Figure 4 for setting the output voltage, current limit voltage and overvoltage setting voltage. Select RBIAS
using Equation 7. With a voltage divider from VREF, select R6 using Equation 8. With a voltage from DIFFO select
R4 using Equation 9. With a voltage divider from VIN, select R8 using Equation 10.
Figure 4. Use for Resistor Divider Calculations
14
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s) :TPS40132
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