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| 型号： | MAX8561ETA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.5A 8TDFN |
| 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： | 0.6 V ~ 2.5 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 频率 - 开关： | 4MHz |
| 电流 - 输出： | 500mA |
| 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： | 8-WDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
4MHz, 500mA Synchronous Step-Down
DC-DC Converters in Thin SOT and TDFN
ABSOLUTE MAXIMUM RATINGS
IN, FB, SHDN , ODI, ODO to GND ............................-0.3V to +6V
LX to GND (Note 1)......................................-0.3V to (V IN + 0.3V)
PGND to GND .......................................................-0.3V to +0.3V
LX Current ...........................................................................1.27A
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Output Short Circuit to GND
(typical operating circuit)....................................................10s
Continuous Power Dissipation (T A = +70°C)
5-Pin Thin SOT23 (derate 9.1mW/°C above +70°C) ....727mW
8-Pin TDFN (derate 24.4mW/°C above +70°C) .........1951mW
Note 1: LX has internal clamp diodes to PGND (GND for MAX8560) and IN. Applications that forward bias these diodes should take
care not to exceed the IC’s package power-dissipation limits.
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 = 3.6V, SHDN = IN, T A = -40°C to +85°C, typical values are at T A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
Supply Voltage Range
UVLO Threshold
SYMBOL
V IN
UVLO
CONDITIONS
V IN rising, 60mV hysteresis
MIN
2.7
2.4
TYP
2.5
MAX
5.5
2.6
UNITS
V
V
I LOAD = 0mA, no switching
40
80
Supply Current
I IN
SHDN = GND
T A = +25°C
T A = +85°C
0.01
0.1
0.1
μA
Output Voltage Range
FB Threshold Voltage
FB Threshold Line Regulation
FB Threshold Load Regulation
V OUT
V FB
V FB falling
V IN = 2.7V to 5.5V
I OUT = 0 to 500mA
0.6
0.6
0.3
-0.001
2.5
V
V
%/V
%/mA
FB Threshold Voltage Accuracy
(Falling) (% of V FB )
FB Threshold Voltage Hysteresis
(% of V FB )
V HYS
I LOAD = 0mA
T A = +25°C
T A = -40°C to +85°C
-1.5
-2.5
1.0
+1.5
+2.5
%
%
SHDN = GND, T A = +25°C, V IN = 5.5V
0.01
0.1
FB Bias Current
I FB
SHDN = GND, T A = +85°C, V IN = 5.5V
V FB = 0.5V, T A = +25°C, V IN = 5.5V
0.1
0.01
0.1
μA
V FB = 0.5V, T A = +85°C, V IN = 5.5V
0.1
Logic Input High Voltage
( SHDN , ODI)
V IH
V IN = 2.7V to 5.5V
1.41
V
Logic Input Low Voltage
( SHDN , ODI)
V IL
V IN = 2.7V to 5.5V
0.4
Logic Input Bias Current
ODO Output Low Voltage
(MAX8562 Only)
I IH , I IL
V OL
V IN = 5.5V, SHDN = ODI = GND or IN,
T A = +25°C
V IN = 5.5V, SHDN = ODI = GND or IN,
T A = +85°C
1mA sink current, V IN = 2.7V
0.001
0.01
0.02
0.1
0.1
μA
V
2
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