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參數(shù)資料
| 型號： | TEA1211 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | High efficiency auto-up/down DC/DC converter |
| 中文描述： | 高效率auto-up/down直流/直流轉(zhuǎn)換器 |
| 文件頁數(shù)： | 13/23頁 |
| 文件大小： | 125K |
| 代理商： | TEA1211 |
2003 Oct 13
13
Philips Semiconductors
Preliminary specification
High efficiency auto-up/down
DC/DC converter
TEA1211HN
11 APPLICATION INFORMATION
11.1
Typical Li-Ion, 2- or 3-cell application with I
2
C-bus programming
handbook, full pagewidth
MDB011
TEA1211HN
1
2
3
4
10 11
14 15 21 22 24
12
13
29
28
30
5
7
9
16 18 20
31
32
26
25
23
27
Rlim
1 k
R2
75 k
COUT
100
μ
F
CIN
100
μ
F
battery
VIN =
2.55 to 5.5 V
R1
120 k
SCL
SDA
SHDWN
SYNC/
PWM
ILIM
LXA
LXB
GND
FB
OUT
IN
VOUT = 3.3 V
D1
D2
L1
10
μ
H
Fig.11 The TEA1211HN in a typical auto-up/down converter application.
The combination of the feedback resistors R1 and R2 in parallel should be approximately 50 k
.
D1 and D2 are Schottky diodes
The battery can be a one cell Li-Ion, two cell Alkaline or three cell NiCd/NiMH/Alkaline.
If the I
2
C-bus interface is used for programming the output voltage, the SCL and SDA lines must be connected to a positive supply via pull-up resistors
(see Section 7.12.1). If the I
2
C-bus interface is not used, connect pins SCL and SDA to ground.
Note the V
IH
-level (see Chapter 10).
Pins should never be left open-circuit.
No external clock is applied.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TEA1211HN | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:High efficiency auto-up/down DC/DC converter |
| TEA1330 | 制造商:FCI 制造商全稱:First Components International 功能描述:DUAL LOW-VOLTAGE POWER AMPLIFIER |
| TEA1401T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Power plug for the universal mains |
| TEA1402/N2,112 | 功能描述:電池管理 TEA1402/DIP18/TUBE-B RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TEA1501 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Greeny; GreenChip |
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