參數(shù)資料
型號： TPS5103DB
廠商： Texas Instruments, Inc.
英文描述： MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
中文描述： 多模同步DC / DC控制器
文件頁數(shù)： 34/37頁
文件大?。?/td> 1052K
代理商： TPS5103DB
TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240 – SEPTEMBER 1999
34
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 2. Test Specifications
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input voltage range
5
25
V
Output voltage range
Vi = 5
–
25 V Io = 0
–
4 A
1.7
1.8
1.9
V
Output current range
Vi = 5
–
10 V
0
4
A
Output current limit
Vi = 5 V
4.3
A
Output ripple
Vi =5 V,
Io = 4 A
50
mVp–p
Operating frequency
Io = 4 A
150
250
KHz
Efficiency
Vi = 5 V,
Vo = 1.8 V,
Io = 4 A
90
%
Table 3. EVM Operating Specifications
SKIP MODE
Remove JP1 shunt
HYS MODE
Remove R5, C6 and C7
Remove R6A
Add R6B
Add C15
If it needs the loop-compensation, add R2 and C4
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 4. EVM Application Recommendations
5-V INPUT VOLTAGE
<3-A OUTPUT CURRENT
Change Q1 and Q2 to dual pack MOSFET,
IRF7311 to reduce the cost.
DIODE VERSION
Change C1 to low profile capacitor
Sanyo 10TPB220M (220
μ
F, 10 V)
Or 6TPB330M (330
μ
F, 6.3 V)
Remove R10
Remove Q2 to reduce the cost.
Table 5. Vendor and Source Information
MATERIAL
SOURCE
PART NUMBER
DISTRIBUTORS
MOSFETS (Q1 Q2)
MOSFETS (Q1–Q2)
In EVM design
Second source
In EVM design
Second source
Si4410
IRF7811 (International Rectifier)
RV–35V221MH10–R (ELNA)
35CV330AX/GX (Sanyo)
UUR1V221MNR1GS (Nichicon)
MBRS340T3 (Motorola)
U3FWJ44N (Toshiba)
DO3316P–682 (Coilcraft)
CTDO3316P–682
(Inductor Warehouse)
GMK325F106ZH
GMK316F225ZG
(Taiyo Yuden)
Local distributor
INPUT CAPACITORS (C1)
Bell Microproducts 972–783–4191
870–633–5030
Future Electronics (Local Office)
Local distributors
Local distributors
972–458–2645
MAIN DIODES (D1)
In EVM design
Second source
In EVM design
INDUCTORS (L1)
Second source
800–533–8295
CERAMIC CAPACITORS
(C2, C14) (C12, C10)
IN EVM design
SMEC
512–331–1877
Taiyo Yuden representative
e–mail: mike@millsales.com
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TPS5103IDBG4 功能描述:DC/DC 開關(guān)控制器 Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS5103IDBR 功能描述:DC/DC 開關(guān)控制器 Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS5103IDBRG4 功能描述:DC/DC 開關(guān)控制器 Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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