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參數(shù)資料
| 型號(hào)： | TPS606(LB) |
| 英文描述： | PHOTOTRANSISTOR | NPN | 720NM PEAK WAVELENGTH | 20M | CLIP |
| 中文描述： | 光電晶體管|叩| 720NM峰值波長| 20,000,000 |夾子 |
| 文件頁數(shù)： | 16/22頁 |
| 文件大?。?/td> | 421K |
| 代理商： | TPS606(LB) |
TPS60100
REGULATED 3.3 V 200-mA LOW-NOISE
CHARGE PUMP DC/DC CONVERTER
SLVS213B – MAY 1999 – REVISED SEPTEMBER 1999
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
capacitor selection
The TPS60100 requires only four external capacitors as shown in the basic application circuit. Their values are
closely linked to the output current capacity, output noise requirements, and mode of operation. Generally, the
transfer capacitors (C
xF
) will be the smallest.
The input capacitor improves system efficiency by reducing the input impedance and stabilizes the input current.
C
IN
is recommended to be about two to four times as large as C
xF
.
The output capacitor (C
O
) can be selected from 5-times to 50-times larger than C
xF
, depending on the mode
of operation and ripple tolerance
. Tables 3 and 4 show capacitor values recommended for low
quiescent-current operation (pulse-skip mode) and for low output voltage ripple operation (constant-frequency
mode). A recommendation is given for smallest size.
Table 3. Recommended Capacitor Values for Low Quiescent-Current Operation
(pulse-skip mode)
VIN
[V]
IO [mA]
O[
CIN
[
μ
F]
CxF
[
μ
F]
CO
[
μ
F]
OUTPUT
VOLTAGE
RIPPLE VPP
[mV]
TANTALUM
CERAMIC
TANTALUM
CERAMIC
2.4
150
10
2.2
22
90
2.4
150
10 (X5R)
2.2
22 (X5R)
45
2.4
200
10
2.2
22
55
2.4
200
10 (X5R)
2.2
22 (X5R)
30
All measurements are done with additional 1-
μ
F X7R ceramic capacitors at input and output.
Table 4. Recommended Capacitor Values for Low Output Voltage Ripple Operation
(constant-frequency mode)
VIN
[V]
IO
[mA]
CIN
[
μ
F]
CxF
[
μ
F]
CO
[
μ
F]
OUTPUT
VOLTAGE
RIPPLE VPP
[mV]
TANTALUM
CERAMIC
TANTALUM
CERAMIC
2.4
150
10
2.2
22
13
2.4
150
10 (X5R)
2.2
22 (X5R)
4
2.4
200
10
2.2
22
15
2.4
200
10 (X5R)
2.2
22 (X5R)
5
All measurements are done with additional 1-
μ
F X7R ceramic capacitors at input and output.
In constant-frequency mode always select CO
≥
22
μ
F
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| TPS607A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PHOTOTRANSISTOR | NPN | 720NM PEAK WAVELENGTH | 50M | LED-7C |
| TPS608A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PHOTOTRANSISTOR | NPN | 820NM PEAK WAVELENGTH | 50M | LED-7C |
| TPS-60L | 功能描述:保險(xiǎn)絲 60A RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險(xiǎn)絲類型:Fast Acting 保險(xiǎn)絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485 |
| TPS60LB | 制造商:TOTAL-POWER 制造商全稱:TOTAL-POWER 功能描述:SWITCHING MODE 60W LOW COST BOX TYPE POWER SUPPLY |
| TPS-60LB | 功能描述:保險(xiǎn)絲 60A RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險(xiǎn)絲類型:Fast Acting 保險(xiǎn)絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485 |
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