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参数资料
| 型号： | MAX15109EWP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 8A 20WLP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 可编程 |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 8A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 包装： | * |
| 供应商设备封装： | * |
High-Efficiency, 8A, Current-Mode Synchronous
Step-Down Switching Regulator with VID Control
ABSOLUTE MAXIMUM RATINGS
IN, PGOOD to PGND ..............................................-0.3V to +6V
LX to PGND ................................................-0.3V to (V IN + 0.3V)
LX to PGND .....................................-1V to (V IN + 0.3V) for 50ns
EN, COMP, FB, SS, VID0,
VID1 to PGND.........................................-0.3V to (V IN + 0.3V)
Continuous LX Current (Note 1) ............................ -12A to +12A
Continuous Power Dissipation (T BOARD = +70 N C)
WLP (derate 31.7mW/ N C above T BOARD = +70 N C) ......1.27W
Operating Temperature Range .......................... -40 N C to +85 N C
Operating Junction Temperature (Note 2) ......................+110 N C
Storage Temperature Range............................ -65 N C to +150 N C
Soldering Temperature (reflow) (Note 3) ........................+260 N C
Output Short-Circuit Duration ....................................Continuous
Note 1: LX has internal clamp diodes to PGND and IN. Do not exceed the power dissipation limits of the device when forward
biasing these diodes.
Note 2: Limit the junction temperature to +110 N C for continuous operation at full current.
Note 3: The WLP package is constructed using a unique set of package techniques that impose a limit on the thermal profile the
device can be exposed to during board-level solder attach and rework. This limit permits only the use of the solder pro-
files 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.
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.
ELECTRICAL CHARACTERISTICS
(V IN = 5V, C SS = 4.7nF, T A = T J = -40 N C to +85 N C. Typical values are at T A = +25 N C, unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
IN Voltage Range
IN Shutdown Supply Current
V IN
V EN = 0V
2.7
0.3
5.5
3
V
F A
IN Supply Current
V IN Undervoltage Lockout Threshold
V IN Undervoltage Lockout Hysteresis
I IN
V EN = 5V, V FB = 1V, not switching
LX starts switching, V IN rising
LX stops switching, V IN falling
3.4
2.6
200
6
2.7
mA
V
mV
ERROR AMPLIFIER
Transconductance
Voltage Gain
g MV
A VEA
1.4
90
mS
dB
Output Voltage Accuracy
FB Input Bias Current
V FB
I FB
Over line, load, and temperature
-1
-100
+1
+100
%
nA
COMP to Current-Sense
Transconductance
COMP Clamp Low
Compensation RAMP Valley
G MOD
V FB = 1V
25
0.93
1
A/V
V
V
POWER SWITCHES
High-Side Switch Current-Limit
Threshold
Low-Side Switch Sink
Current-Limit Threshold
Low-Side Switch Source
Current-Limit Threshold
I HSCL
14
14
14
A
A
A
2
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