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| 型号： | MAX8649SEWE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/31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
ABSOLUTE MAXIMUM RATINGS
IN1, IN2 to AGND ..................................................-0.3V to +6.0V
V DD to AGND.........................................................-0.3V to +4.0V
LX, SNS+, VID0, VID1, EN to AGND..........-0.3V to (V IN1 + 0.3V)
SCL, SDA, SYNC to AGND.........................-0.3V to (V DD + 0.3V)
PGND, SNS- to AGND...........................................-0.3V to +0.3V
RMS LX Current ..............................................................1800mA
Continuous Power Dissipation (T A = +70°C)
16-Bump WLP 0.5mm Pitch
(derate 13mW/°C above +70°C) ............................1040mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Soldering Temperature (reflow) .......................................+260°C
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.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
WLP
Junction to Ambient Thermal Resistance ( θ JA )............76°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial .
ELECTRICAL CHARACTERISTICS
(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
IN1, IN2 Operating Range
V DD Operating Range
V DD Undervoltage Lockout
(UVLO) Threshold
V DD falling
CONDITIONS
MIN
2.5
1.8
0.54
TYP
0.865
MAX
5.5
3.6
1.35
UNITS
V
V
V
V DD UVLO Hysteresis
50
mV
IN_ Undervoltage Lockout
(UVLO) Threshold
V IN falling
2.10
2.15
2.20
V
IN_ UVLO Hysteresis
70
mV
V DD Shutdown Supply Current
IN1, IN2 Shutdown Supply
Current
IN1, IN2 Standby Supply Current
V IN1 = V IN2 = 5.5V,
EN = V DD = AGND
V IN1 = V IN2 = 5.5V,
EN = V DD = AGND
V IN1 = V IN2 = 5.5V, SCL = SDA =
V DD , EN = AGND, I 2 C ready
V IN1 = V IN2 = V DD = 3.6V,
T A = +25°C
T A = +85°C
T A = +25°C
T A = +85°C
T A = +25°C
T A = +85°C
T A = +25°C
0.01
0.01
0.25
0.25
0.35
0.35
0.02
1
1
1
1
μA
μA
μA
V DD Standby Supply Current
SCL = SDA = V DD , EN = AGND,
μA
LOGIC INTERFACE
I 2 C ready
T A = +85°C
0.02
Logic Input High Voltage (V IH )
Logic Input Low Voltage (V IL )
V IN1 = V IN2 = 2.5V to 5.5V,
V DD = 1.8V to 3.6V
V IN1 = V IN2 = 2.5V to 5.5V,
V DD = 1.8V to 3.6V
EN, VID0, VID1
SYNC, SCL, SDA
EN, VID0, VID1
SYNC, SCL, SDA
1.4
0.7 x V DD
0.4
0.3 x V DD
V
V
SDA, SCL, SYNC Logic Input
Current
V IL = 0V or V IH = 3.6V,
EN = AGND
T A = +25°C
T A = +85°C
-1
0.01
0.01
+1
μA
2
_______________________________________________________________________________________
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