參數(shù)資料
型號(hào): TPS40074RHLT
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC20
封裝: GREEN, PLASTIC, QFN-20
文件頁(yè)數(shù): 14/41頁(yè)
文件大小: 765K
代理商: TPS40074RHLT
www.ti.com
DESIGN EXAMPLE
1. SPECIFICATIONS
2. SCHEMATIC
RP1
RZ1
RPGD
CO
CZ2
RSET2
RKFF
1
2
3
4
19
18
17
16
SYNC
PGD
LVBP
RT
SA
SAO
GND
SS
TPS40074
15
14
13
12
KFF
ILIM
VDD
HDRV
5
6
7
8
FB
COMP
PGND
LDRV
9
DBP
20
SA+
10
SW
11
BOOST
UDG04125
SYNC
SENSE
QSR
MLCC
ELCO
QSW
+SENSE
ELCO
0V
RLIM
CLIM
L
CO
VO
CVDD
CVLVBP
CPZ1
CIN
VIN
RPZ2
CP2
RSET1
CSS
CDBP
DBOOST
CBOOST
RT
1.5
SLUS617B – APRIL 2005 – REVISED OCTOBER 2006
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
INPUT CURRENT
VIN
Input voltage
10.8
12.0
13.2
VO
Output voltage
IOUT = 10 A
1.5
5
V
Regulation
1.47
1.53
VRIPPLE
Output ripple voltage
IO(max) = 15 A
30
VOVER
Output overshoot
ISTEP = 8 A
50
mV
VUNDER
Output undershoot
ISTEP = 8 A
50
ILOAD
Output current
0
15
A
ISCP
Short circuit current trip point
16
30
η
Efficiency
VIN = 12 V, ILOAD = 15 A
85%
fSW
Switching frequency
400
kHz
Figure 14. TPS40074 Reference Design Schematic
21
相關(guān)PDF資料
PDF描述
TPS40074RHLRG4 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC20
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