參數(shù)資料
型號(hào)： L5980
廠商： 意法半導(dǎo)體
英文描述： 0.7A step-down switching regulator
中文描述： 0.7A的降壓開關(guān)穩(wěn)壓器
文件頁(yè)數(shù)： 3/37頁(yè)
文件大?。?/td> 959K
代理商： L5980
Pin settings
L5980
3/37
1
Pin settings
1.1
Pin connection
Figure 2.
Pin connection
(top view)
1.2
Pin description
Table 1.
Pin description
N.
Type
Description
1
OUT
Regulator output
2
SYNCH
Master/Slave Synchronization. When it is left floating, a signal with a
phase shift of half a period respect to the power turn on is present at the
pin. When connected to an external signal at a frequency higher than the
internal one, then the device is synchronized by the external signal, with
zero phase shift.
Connecting together the SYNC pin of two devices, the one with higher
frequency works as master and the other one as slave; so the two
powers turn on have a phase shift of half a period.
3
INH
A logical signal (active high) disable the device. With INH higher than
1.9V the device is OFF and with INH lower than 0.6V the device is ON.
4
COMP
Error Amplifier output to be used for loop frequency compensation
5
FB
Feedback input. Connecting the output voltage directly to this pin the
output voltage is regulated at 0.6V. To have higher regulated voltages an
external resistor divider is required from Vout to FB pin.
6
F
SW
The switching frequency can be increased connecting an external
resistor from FSW pin and ground. If this pin is left floating the device
works at its free-running frequency of 250kHz.
7
GND
Ground
8
V
CC
Unregulated DC input voltage
相關(guān)PDF資料
PDF描述
L5980TR 0.7A step-down switching regulator
L5985 2A step-down switching regulator
L5985TR 2A step-down switching regulator
L5991 PRIMARY CONTROLLER WITH STANDBY
L5991A PRIMARY CONTROLLER WITH STANDBY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L5980_08 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:0.7 A step-down switching regulator
L5980TR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 700mA Step-Down Switching Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
L5980TR-CUT TAPE 制造商:ST 功能描述:L5980 Series 15 V 250 kHz 0.7 A Step Down Switching Regulator - VFQFPN-8
L5981 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1A STEP-DOWN SWITCH REG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
L5981_08 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1 A step-down switching regulator
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