参数资料
型号: MAX8884YEREKE+T
厂商: Maxim Integrated
文件页数: 2/17页
文件大小: 579K
描述: IC REG TRPL BCK/LINEAR 16UCSP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: 降压(降压)同步(1),线性(LDO)(2)
功能: 任何功能
输出数: 3
频率 - 开关: 2MHz
电压/电流 - 输出 1: 1.2 V/1.8 V,700mA
电压/电流 - 输出 2: 1.2 V/1.8 V,300mA
电压/电流 - 输出 3: 1.2 V/1.8 V,300mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFBGA,CSPBGA
供应商设备封装: 16-UCSP(4x4)
包装: 带卷 (TR)
700mA DC-DC Step-Down Converters
with Dual 300mA LDO in 2mm x 2mm CSP
2  _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN1A
= V
IN1B
= V
IN2
= V
LDO1_EN
= V
LDO2_EN
= V
BUCK_EN
= 3.6V. T
A
= -40癈 to +85癈, typical values are at T
A
= +25癈, unless
otherwise noted.) (Note 1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN1A, IN1B, IN2, REFBP to AGND........................-0.3V to +6.0V
FB to PGND...........................................................-0.3V to +6.0V
SEL, BUCK_EN to AGND...............-0.3V to (V
IN1A
/V
IN1B
+ 0.3V)
LDO1, LDO2, LDO1_EN, LDO2_EN
to AGND.................................................-0.3V to (V
IN2
+ 0.3V)
IN2 to IN1A, IN1B..................................................-0.3V to +0.3V
AGND to PGND.....................................................-0.3V to +0.3V
IN1A, IN1B, LX Current.....................................................1A
RMS
Continuous Power Dissipation (T
A
= +70癈)
16-Bump CSP (derate 12.5mW/癈 above +70癈)..............1W
Operating Temperature.......................................-40癈 to +85癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-65癈 to +150癈
Bump Temperature*.........................................................+260癈
PARAMETER
CONDITIONS
MIN   TYP  MAX  UNITS
INPUT SUPPLY
Input Voltage
V
IN1A
, V
IN1B
, V
IN2
 
2.7          5.5     V
Input Undervoltage Threshold   V
IN1A
, V
IN1B
, V
IN2
 rising, 180mV typical hysteresis
2.52   2.63   2.70    V
T
A
= +25癈
     0.1     4
Shutdown Supply Current
V
BUCK_EN
 = V
LDO1_EN
 =
V
LDO2_EN
 = 0
T
A
= +85癈
     0.1     
V
BUCK_EN
 = 0, I
LDO1
 = I
LDO2
 = 0A
     140    230    礎
No-Load Supply Current
V
LDO1_EN
 = V
LDO2_EN
 = 0, I
BUCK
 = 0A, no switching
     50    80     礎
THERMAL PROTECTION
Thermal Shutdown
T
A
 rising, 20癈 typical hysteresis
    +160         癈
LOGIC CONTROL
Logic Input-High Voltage
(BUCK_EN, SEL, LDO1_EN,
LDO2_EN)
2.7V V
IN1A
 = V
IN1B
 = V
IN2
 5.5V
1.3     
 
V
Logic Input-Low Voltage
(BUCK_EN, SEL, LDO1_EN,
LDO2_EN)
2.7V V
IN1A
 = V
IN1B
 = V
IN2
 5.5V
 
     0.4     V
T
A
 = +25癈
     0.01    1
Logic Input Current (BUCK_EN,
SEL, LDO1_EN, LDO2_EN)
V
IL
= 0 or V
IH
= V
IN1A
= 5.5V
T
A
 = +85癈
     0.1     
FB
SEL = AGND, I
BUCK
 = 0A
1.18   1.22   1.24    V
Buck Converter Output Voltage
V
SEL
 = V
IN1A
, I
BUCK
 = 0A
1.78   1.80   1.85    V
T
A
 = +25癈
     0.01    1
FB Leakage Current
V
IN1A
 = V
IN1B
 = V
IN2
 = 5.5V,
V
FB
 = 0
T
A
 = +85癈
     1     
LX
p-channel MOSFET switch, I
LX
 = -40mA
     0.18   0.30
On-Resistance
n-channel MOSFET rectifier, I
LX
 = 40mA
     0.15   0.25
*These ICs are constructed using a unique set of packaging techniques imposing a limit on the thermal profile used during board level
solder attach and rework. This limit permits only the use of the solder profiles recommended in the industry-standard specification,
JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection reflow. Preheating is required. Hand or wave soldering is not allowed.
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