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| 型号： | TPS5102IDBTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 3 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO30 |
| 封装： | GREEN, PLASTIC, TSSOP-30 |
| 文件页数： | 19/34页 |
| 文件大小： | 1182K |
| 代理商： | TPS5102IDBTG4 |
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TPS5102
DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER
SLVS239 - SEPTEMBER 1999
26
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 1. Bill of Materials (continued)
REF.
PN
DESCRIPTION
MANUFACTURER
SIZE
R9
Standard
Resistor, 82 k
, 5%
805
R10
Standard
Resistor, 1 k
, 5%
805
R11
Standard
Resistor, 0
, 5%
805
R12
Standard
Resistor, 1 k
, 5%
805
R13
Standard
Reistor, 1 k
, 5%
805
R14
Standard
Resistor, 310 k
, 1%
805
R15
Standard
Resistor, 1 k
, 1%
805
R16
Standard
Open resistor, 5.1
, 5%
805
R17
Standard
Resister, 15
, 5%
805
R18
Standard
Resistor, 7.5 k
, 5%
805
R19
Standard
Resistor, 7.5 k
, 5%
805
R20
Standard
Resistor, 15
, 5%
805
R21
Standard
Open
805
Q1
Si4410DY
Transistor, MOSFET, n-ch, 30 V, 10 A, 13 m
,
Siliconix
SO-8
Q2
Si4410DY
Transistor, MOSFET, n-ch, 30 V, 10 A, 13 m
,
Siliconix
SO-8
Q3
Si4410DY
Transistor, MOSFET, n-ch, 30 V, 10 A, 13 m
,
Siliconix
SO-8
Q4
Si4410DY
Transistor, MOSFET, n-ch, 30 V, 10 A, 13 m
,
Siliconix
SO-8
U1
TPS5102
IC, Dual Controller
TI
TSSOP
Option table
This EVM is designed to cover as many applications as possible. For some more specific applications, the circuit
can be simpler. The table below gives some recommendations.
Table 2. EVM Application Recommendations
5V INPUT VOLTAGE
<3–A OUTPUT CURRENT
DIODE VERSION
Change C1 to low profile capacitor
Sanyo 10TPB220M (220
F, 10 V)
Or 6TPB330M (330
F, 6.3 V)
Change Q1/Q2 and Q3/Q4 to dual pack MOS-
FET, IRF7311 to reduce the cost.
Remove Q2 and Q4 to reduce the cost.
Remove R12
Table 3. Vendor and Source Information
MATERIAL
SOURCE
PART NUMBER
DISTRIBUTORS
MOSFETS (Q1–Q4)
In EVM Design
Si4410DY (SILICONIX)
Local Distributor
()
Second Source
IRF7811 (International Rectifier)
INPUT CAPACITORS (C1)
In EVM Design
RV–35V221MH10–R (ELNA)
Bell Microproducts
972–783–4191
Second Source
35CV330AX/GX (Sanyo)
870–633–5030
UUR1V221MNR1GS (Nichicon)
Future Electronics (Local Office)
MAIN DIODES (D1 – D2)
In EVM Design
MBRS340T3 (Motorola)
Local Distributors
Second Source
U3FWJ44N (Toshiba)
Local Distributors
INDUCTORS (L1 – L2)
In EVM Design
DO3316P–682 (Coilcraft)
972–248-3575
Second Source
CTDO3316P–682 (Inductor Warehouse)
800–533–8295
CERAMIC CAPACITORS
(C2, C3) (C12, C17, C21)
IN EVM Design
GMK325F106ZH
GMK316F225ZG
(Taiyo Yuden)
SMEC
512–331–1877
Taiyo Yuden, Representative
e–mail: mike@millsales.com
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