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参数资料
| 型号： | LLV5256GP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.6 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, QCC20 |
| 封装： | 3 X 3 MM, VCT-20 |
| 文件页数： | 8/9页 |
| 文件大小： | 142K |
| 代理商： | LLV5256GP |
LV5256GP
No.A1277-8/9
Continued from preceding page.
Pin No.
Pin Name
Description
Equivalent Circuit
18
RT
Oscillation frequency setting pin. Connect a resistor
between this pin and GND. A 100k
resistor causes the
oscillator to oscillate at 1MHz (typ.).
18
VDD
10k
500
19
VDD
Logic system power supply. Apply 3.0V
±0.1V to this pin
from an external source.
20
LGND
Logic system ground pin. All voltages are measured with
respect to this voltage level.
Startup Sequence
ONOFF
VIN
REG_O
VOUT-5
SS
SW
ONOFF:H
REG_O startup
UVLO release
VOUT-5 startup
VOUT-5 normal judgment
SS start
Power supply operation beginning
VDD
* Be sure to set the ONOFF to 0V when starts or stops VDD. And apply voltage to VIN after VDD started up.
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