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参数资料
| 型号： | LV5762LF |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 1130 kHz SWITCHING FREQ-MAX, QCC16 |
| 封装： | 3 X 3 MM, VQFN-16 |
| 文件页数： | 3/5页 |
| 文件大小： | 185K |
| 代理商： | LV5762LF |
LV5762LF
Pin Assignment
1
2
3
4
8
7
6
5
COMP
VIN
GND
FB
SW
CBOOT
Top view
EN
9
10
11
12
13
14
15
16
LV5762LF
VDD
NC
SS/ HICCUP
HDR
V
NC
LDR
V
Pin Function
Pin No.
Pin name
Function
1
COMP
Error amplifier output pin.
Connect a phase compensation circuit between this pin and GND.
2
EN
ON/OFF pin.
3
SW
Pin to connect with switching node. The source of Nch MOSFET connects to this pin.
4
CBOOT
Bootstrap capacity connection pin. This pin becomes a GATE drive power supply of an external Nch MOSFET.
Connect a bypath capacitor between CBOOT and SW.
5
HDRV
An external the upper MOSFET gate drive pin.
6, 7
14, 15
NC
No connection
8
LDRV
An external the lower MOSFET gate drive pin.
9
VDD
Power supply pin for an external the MOS-FET gate drive.
10
GND
Ground pin. Each reference voltage is based on the voltage of the ground pin.
11
VIN
Power supply pin.
This pin is monitored by UVLO function. When the voltage of this pin becomes 7.8V or more by UVLO function, The IC
starts and the soft start function operates.
12
ILIM
Reference current pin for current detection.
The sink current of about 20μA flows to this pin. When a resistance is connected between this pin and VIN outside and
the voltage applied to the SW pin is lower than the voltage of the terminal side of the resistance, the upper Nch MOSFET
is off by operating the current limiter comparator. This operation is reset with respect to each PWN pulse.
13
SS/HICCUP
Pin to connect a capacitor for soft start. A capacitor for soft start is charged by using the voltage of about 4.3μA.
This pin ends the soft start period by using the voltage of about 0.9V and the frequency fold back function becomes
active.
16
FB
Error amplifier reverse input pin.
By operating the converter, the voltage of this pin becomes 0.7V.
The voltage in which the output voltage is divided by an external resistance is applied to this pin.
Also, the oscillation frequency become one-eighth when the voltage of this pin becomes 0.4V or less after soft start
function.
No.A1768-3/5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV5762LF-MPB-H | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| LV5762LF-TLM-H | 功能描述:直流/直流开关调节器 SWITCHING REGULATOR RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| LV5762QA-NH | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| LV5768M | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-channel Step-down Switching Regulator |
| LV5768M-MPB-H | 制造商:ON Semiconductor 功能描述:42V PWM BUCK CONTROLLER - Ammo Pack 制造商:ON Semiconductor 功能描述:Voltage Regulators - Switching Regulators 制造商:ON Semiconductor 功能描述:FNFLD / 42V PWM BUCK CONTROLLER |
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