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參數(shù)資料
| 型號： | TPS62410DRCTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, MLF-10 |
| 文件頁數(shù)： | 16/31頁 |
| 文件大小： | 1240K |
| 代理商： | TPS62410DRCTG4 |
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APPLICATION INFORMATION
OUTPUT VOLTAGE SETTING
Converter1 Adjustable Default Output Voltage Setting
V
OUT + VREF
1 )
R
11
R
12
with an internal reference voltage V
REF typical 0.6V
(4)
Converter 2
V
OUT + VREF
1 )
R
21
R
22
with an internal reference voltage V
REF typical 0.6V
(5)
SW1
FB1
SW2
ADJ2
DEF_1
VIN3.3V – 6V
VIN
EN_1
EN_2
MODE/
DATA
TPS62410
GND
L1
C
10 F
IN
m
2.2 H
m
R11
270kW
R12
180kW
V
=1.5V
upto800mA
OUT1
C
=22 F
OUT1
m
V
=2.85V
upto800mA
OUT2
L2
Cff2
33pF
3.3 H
m
R21
825kW
R22
220kW
C
=22 F
OUT2
m
SLVS737 – FEBRUARY 2007
The output voltage can be calculated to:
To keep the operating current to a minimum, it is recommended to select R12 within a range of 180k to 360k.
The sum of R12 and R11 should not exceed ~1M. For higher output voltages than 3.3V, it is recommended to
choose lower values than 180k
for R12. Route the DEF_1 line away from noise sources, such as the inductor
or the SW1 line. The FB1 line needs to be directly connected to the output capacitor. An internal feed forward
capacitor is connected to this pin, therefore there is no need for an external feed forward capacitor for converter
1.
The default output voltage of converter 2 can be set by an external resistor network. For converter 2 the same
recommendations apply as for converter 1. In addition to that, a 33pF external feed forward capacitor Cff2 for
good load transient response must be used.
The output voltage can be calculated to:
Route the ADJ2 line away from noise sources, such as the inductor or the SW2 line. In case the interface is
used for converter 2, connect ADJ2 pin directly to VOUT2
Figure 33. Typical Application Circuit 1.5V/2.85V Adjustable Outputs, low PFM Voltage ripple Optimized
23
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| TPS62420DRCRG4 | 功能描述:直流/直流開關調節(jié)器 Dual Adj 600mA & 1000mA 2.25MHz RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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