Texas Instruments 1-MHz, 3.3V, High-Efficiency Synchronous Buck Converter with TPS43000 PWM TPS43000EVM-001 TPS43000EVM-001 데이터 시트
제품 코드
TPS43000EVM-001
SLUU111 – June 2002
12
1-MHz, 3.3-V, High-Efficiency Synchronous Buck Converter With TPS43000 PWM Controller
5
Bill of Materials
Table 1 lists the board components and their values, which can be modified to meet the
application requirements.
application requirements.
. List of Materials
REFERENCE
DESIGNATOR
QTY
PART NUMBER
DESCRIPTION
MFG
SIZE
C1
1
GRM1885C1H271J K
Capacitor, ceramic, 270 pF, 50 V, COG, 5%
Murata
603
C2
1
GRM1885C1H3R0J K
Capacitor, ceramic, 3 pF, 50 V, COG, 5%
Murata
603
C3
1
GRM188R71H561J K
Capacitor, ceramic, 560 pF, 50 V, 5%
Murata
603
C4,C5,C6
3
GRM219R71C474K K
Capacitor, ceramic, 0.47
µ
F, 16 V, X7R, 10%
Murata
805
C7
1
LMK325BJ106MN
Capacitor, ceramic, 10
µ
F, 10 V, 20%
Taiyo-Yuden
1210
C9
1
JMK325BJ226MM
Capacitor, ceramic, 22
µ
F, 6.3 V, 20%
Taiyo-Yuden
1210
C8
1
EEFUD0D121R
Capacitor, 120
µ
F, 4.0 V, 18 m
Ω
, 20%
Panasonic
7343 (D)
D1
1
ZHCS2000
Diode, schottky, 2 A, 40 V
Zetex
SOT23–6
J1,J2
2
PTC36SAAN
Header, 4-pin, 100 mil spacing, (36-pin strip)
Sullins
0.100 x 4”
L1
1
U2PB–3R3
Inductor, SMT, 5.0
µ
H, 2.9 A, 24 m
Ω
Sumida
6.7 X 6.7 mm
R1
1
Std
Resistor, chip, 100 k
Ω
, 1/16-W, 1%
Std
603
R2
1
Std
Resistor, chip, 115 k
Ω
, 1/16-W, 1%
Std
603
R3
1
Std
Resistor, chip, 5.76 k
Ω
, 1/16–W, 1%
Std
603
R4
1
Std
Resistor, chip, 37.4 k
Ω
, 1/16-W, 1%
Std
603
R5
1
Std
Resistor, chip, 1 k
Ω
, 1/16-W, 1%
Std
603
R6
1
Std
Resistor, chip, 32.4 k
Ω
, 1/16-W, 1%
Std
603
R7
1
Std
Resistor, chip, 49.9 k
Ω
, 1/16-W, 1%
Std
603
Q1
{
1
Si3442DV
MOSFET, N–channel, 2.5-VGS, 4 A, 70 m
Ω
Siliconix
TSOP–6
Q2
{
1
Si3443DV
MOSFET, P-channel, 2.5-VGS, 4.4 A, 90 m
Ω
Siliconix
TSOP–6
U1
{
1
TPS43000PW
Multi–topology high-frequency PWM controller
Texas
Instruments
Instruments
TSSOP–16
TP1,TP2,TP5
3
240–333
Test point, red, 1 mm
Farnell
0.038”
TP3,TP4,TP6
3
240–333
Test point, black, 1 mm
Farnell
0.038”
N/A
1
SLVP217
Printed circuit board, FR4, 0.032, SMOBC
any
† Components can not be substituted.