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参数资料
| 型号： | NCV8855BMNR2GEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION NCV8855 ASIC |
| 设计资源： | NCV8855BMNR2GEVB Schematic NCV8855 BOM |
| 标准包装： | 1 |
| 主要目的： | DC/DC，LDO 步降 |
| 输出及类型： | 4，非隔离 |
| 电流 - 输出： | 2.5A |
| 输入电压： | 9 V ~ 18 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 170kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCV8855 |
| 其它名称： | NCV8855BMNR2GEVBOS |
NCV8855
PIN FUNCTION DESCRIPTIONS
Pin No.
Symbol
Description
LOW DROPOUT LINEAR REGULATOR CONTROLLER 1 (LDO1) PIN CONNECTIONS
38
1
40
39
LR_FB1
LR_G1
ISNS1+
ISNS1 ?
LDO controller output voltage feedback pin. Connect a resistor divider network to VOUT3 to set the desired
output voltage.
Error amplifier output of the LDO controller. Connect to gate of P ? Channel MOSFET pass element.
Current sense positive input. Connect this pin to the supply side of the current sense resistor. This pin also
serves as the supply rail for the linear regulator controller. A local bypass capacitor with a value of 0.1 m F to 1
m F is recommended.
Current sense negative input. When using a current sense resistor, connect this pin to the pass element side
of the current sense resistor. If current limit is not used, connect this pin to the supply rail of the pass element.
LOW DROPOUT LINEAR REGULATOR CONTROLLER 2 (LDO2) PIN CONNECTIONS
34
33
31
32
LR_FB2
LR_G2
ISNS2+
ISNS2 ?
LDO controller output voltage feedback pin. Connect a resistor divider network to VOUT3 to set the desired
output voltage.
Error amplifier output of the LDO controller. Connect to gate of P ? Channel MOSFET pass element.
Current sense positive input. Connect this pin to the supply side of the current sense resistor. This pin also
serves as the supply rail for the linear regulator controller. A local bypass capacitor with a value of 0.1 m F to 1
m F is recommended.
Current sense negative input. When using a current sense resistor, connect this pin to the pass element side
of the current sense resistor. If current limit is not used, connect this pin to the supply rail of the pass element.
HIGH ? SIDE LOAD SWITCH (HSS) PIN CONNECTIONS
26
28
VIN
HS_S
This pin is the supply rail for the internal high ? side load switch, DRV_VPP and 5V_IC. Bypass this pin with a
1 m F ceramic capacitor.
Source node output of the internal high ? side N ? Channel MOSFET load switch.
MAXIMUM RATINGS (Voltages are with respect to AGND unless noted otherwise)
Pin Name
Max dc voltage (GH1, BST1, SN1, SN2, BST2, HS_S)
Negative Transient (t < 50 ns) (SN1, SN2)
Max dc voltage: 5V_IC
Max dc voltage: DRV_VPP
Max dc voltage (BST1 & GH1w/respect to SN1, GL1, BST2 w/respect to SN2)
Max dc voltage (OCSET, ISNS1+, ISNS1 ? , LR_G1, VIN, VIN_SW, ISNS2+, ISNS2 ? , LR_G2)
Peak Transient (ES ? XW7T ? 1A278 ? AB Test Pulse G – Loaded Conditions)
(OCSET, ISNS1+, ISNS1 ? , LR_G1, VIN, VIN_SW, ISNS2+, ISNS2 ? , LR_G2)
Max dc voltage (SW_FB1, COMP1, LR_FB1, LDO_EN, HOT_FLG, SW_FB2, COMP2, LR_FB2, HS_EN,
SYS_EN, SYNC)
Max dc voltage: PGND
Maximum Operating Junction Temperature Range, T J
Maximum Storage Temperature Range, T STG
Peak Reflow Soldering Temperature: Pb ? Free
60 to 150 seconds at 217 ° C
Value
? 0.3 to 30
? 2
6
9
? 0.3 to 15
? 0.3 to 40
? 0.3 to 45
? 0.3 to 7
? 0.3 to 0.3
? 40 to 150
? 55 to +150
260 peak
Unit
V
V
V
V
V
V
V
V
V
° C
° C
° C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
http://onsemi.com
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCV8870 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Automotive Grade Non-Synchronous Boost Controller |
| NCV887000 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Automotive Grade Non-Synchronous Boost Controller |
| NCV887000D1R2G | 功能描述:低压差稳压器 - LDO Auto Grade Non-Sync Boost Controller RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV887001 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Automotive Grade Non-Synchronous Boost Controller |
| NCV887001D1R2G | 功能描述:低压差稳压器 - LDO Auto Grade Non-Sync Boost Controller RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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