参数资料
型号: MAX8649AEWE+T
厂商: Maxim Integrated Products
文件页数: 4/31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:
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)
1.8A Step-Down Regulator with
Remote Sense in 2mm x 2mm WLP
ELECTRICAL CHARACTERISTICS (continued)
(V IN1 = V IN2 = 3.6V, V AGND = V PGND = 0V, V DD = 1.8V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A =
+25°C.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
No load, V IN_ = 2.5V to 5.5V, V OUT = 1.27V
OPERATION_MODE_ = 1
-0.5
+0.5
OUT Voltage Accuracy
Load Regulation
I OUT = no load, V IN_ = 2.5V to 5.5V, V OUT = 0.75V,
OPERATION_MODE_ = 1
I OUT = no load, V IN_ = 2.5V to 5.5V, V OUT = 1.38V,
OPERATION_MODE_ = 1
R L is the resistance from LX to SNS+ (output)
-1.0
-0.5
R L /25
+1.0
+0.5
%
V/A
RAMP[2:0] = 000
RAMP[2:0] = 001
RAMP[2:0] = 010
32.50
16.25
8.125
RAMP Timer
RAMP[2:0] = 011
RAMP[2:0] = 100
RAMP[2:0] = 101
RAMP[2:0] = 110
RAMP[2:0] = 111
4.063
2.031
1.016
0.508
0.254
mV/μs
Peak Current Limit
(p-Channel MOSFET)
Valley Current Limit
(n-Channel MOSFET)
Negative Current Limit
(n-Channel MOSFET)
PWM and hysteretic mode
Hysteretic mode
PWM mode
2.3
1.8
2.0
2.8
2.4
2.5
3.2
3.0
3.0
A
A
A
n-Channel Zero-Crossing
Threshold
50
mA
LX pFET On-Resistance
LX nFET On-Resistance
IN2 to LX, I LX = -200mA
OPERATION_MODE = 0
LX to PGND, I LX = 200mA
0.08
0.06
0.16
0.12
Ω
Ω
LX Leakage
V LX = 5.5V or 0V
T A = +25°C
T A = +85°C
-1
0.03
0.05
+1
μA
Internal oscillator, PWM
Internal oscillator, power-save mode before entering
PWM mode
2.82
2.43
3.25
3.25
3.56
4.06
Operating Frequency
13MHz option
19.2MHz option
26MHz option
f SYNC /4
f SYNC /6
f SYNC /8
MHz
4
_______________________________________________________________________________________
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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