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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： | 7/9页 |
| 文件大小： | 142K |
| 代理商： | LLV5256GP |
LV5256GP
No.A1277-7/9
Continued from preceding page.
Pin No.
Pin Name
Description
Equivalent Circuit
13
SS
Capacitor connection pin for soft start. The capacitor
connected to this pin is charged by the internal 10
A
constant current. The interval during which this voltage
reaches Vref is called the soft start period. The voltage is
clipped to approx. 2V after the soft start. This pin is pulled
down to the ground level when ONOFF/UVLO lock mode.
13
VIN
500
REG_O
10k
10
A
1.25V
REG_O
14
TRAC_IN
Reference voltage input pin for tracking power supply
operating. A voltage from 0V up to Vref applied to this pin
serves as the reference voltage for determining the output
voltage. This pin must be connected to the SS pin when it
is not to be used.
14
VIN
1k
REG_O
15
FB
Error amplifier output pin. Connect a phase compensation
component between this pin and IN pin.
15
VIN
1k
1.25V
REG_O
400
100
A
16
IN
Output voltage input pin. Apply the resistor divided output
voltage to this pin.
REG_O
16
VIN
1k
SS
TRAC_IN Vref
REG_O
17
OCP_SEL
OCP detection voltage switching pin, A 100k
pull-down
resistor is provided between OCP_SEL and GND. The IC
enters the 0.8 times detection mode when this pin is
connected to GND or kept open and enters the 0.4 times
detection mode when the pin is connected to the REG_O
pin.
17
VDD
100k
Continued on next page.
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