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参数资料
| 型号： | MAX8649BEWE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/31页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 1.8A 16WLP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.75 V ~ 1.38 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 频率 - 开关： | 3.25MHz |
| 电流 - 输出： | 1.8A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-UFBGA，WLCSP |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-WLP（2x2） |
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1.8A Step-Down Regulator with
Remote Sense in 2mm x 2mm WLP
Bump Description
PIN
A1
A2
A3
A4
B1
B2
B3, B4
C1
C2
C3, C4
D1
D2
D3
D4
NAME
IN1
AGND
VID1
IN2
SNS+
EN
LX
SNS-
VID0
PGND
V DD
SDA
SCL
SYNC
FUNCTION
Analog Supply Voltage Input. The input voltage range is 2.5V to 5.5V. Place an 11 Ω resistor between
IN1 and the input supply. Bypass IN1 to analog ground with a 0.1μF ceramic capacitor as close as
possible to the IC. Connect IN1 and IN2 to the same power source.
Analog Ground. Connect AGND to the PCB ground plane.
Voltage ID Control Input. The logic states of VID0 and VID1 select the register that sets the output
voltage.
Power-Supply Voltage Input. The input voltage range is from 2.5V to 5.5V. IN2 powers the internal
p-channel and n-channel MOSFETs. Bypass IN2 to PGND with 10μF and 0.1μF ceramic capacitors
as close as possible to the IC. Connect IN1 and IN2 to the same power source.
Output Voltage Remote Sense, Positive Input. Connect SNS+ directly to the output at the load.
Logic Enable Input. Drive EN high to enable the DC-DC step-down regulator, or low to place in
shutdown mode. In shutdown mode, this logic input has an internal pulldown resistor to AGND.
Inductor Connection. LX is connected to the drains of the internal p-channel and n-channel
MOSFETs. LX is high impedance during shutdown.
Output Voltage Sense, Negative Input. Connect to a quiet ground directly at the IC.
Voltage ID Control Input. The logic states of VID0 and VID1 select the register that sets the output
voltage.
Power Ground. Connect both PGND bumps to the PCB ground plane.
Logic Input Supply Voltage. Connect V DD to the logic supply driving SDA, SCL, and SYNC. Bypass
V DD to AGND with a 0.1μF ceramic capacitor. When V DD drops below the UVLO threshold, the I 2 C
registers are reset, but the EN control is still active in this mode.
I 2 C Data Input. Data is read on the rising edge of SCL and data is clocked out on the falling edge of SCL.
I 2 C Clock Input
External Clock Synchronization Input. Connect SYNC to a 13MHz, 19.2MHz, or 26MHz system clock.
The DC-DC regulator can be forced to synchronize to this external clock depending on I 2 C setting. See
Table 8. SYNC does not have an internal pulldown. Connect SYNC to AGND if not used.
10
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相关代理商/技术参数 |
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| MAX8649EVKIT+ | 制造商:Maxim Integrated Products 功能描述:1.8A STEP-DOWN REGULATOR W/DIFFERENTIAL REMOTE SENSE IN 2MM - Boxed Product (Development Kits) |
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| MAX8649EWE+T | 功能描述:直流/直流开关调节器 1.8A Step-Down 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 |
| MAX8649SEWE+T | 功能描述:直流/直流开关调节器 1.8A Step-Down 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 |
| MAX864EEE | 功能描述:电荷泵 Dual-Output Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
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