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| 型号： | MAX881REUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC SUPPLY BIAS LN 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 充电泵，无线设备 |
| 输入电压： | 2.5 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | -2V，-2.5 V ~ 6.1 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 带卷 (TR) |
Low-Noise Bias Supply in μMAX
with Power-OK for GaAsFET PA
ABSOLUTE MAXIMUM RATINGS
IN to GND .................................................................-0.3V to +6V
SHDN to GND...........................................................-0.3V to +6V
POK to GND ...........................................................-0.3V to +12V
C1+ to GND .................................................-0.3V to (V IN + 0.3V)
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10s) .................................+300°C
C1-, NEGOUT, OUT, FB to GND ....................-6V to (V IN + 0.3V)
Continuous Power Dissipation (T A = +70°C)
10-Pin μMAX (derate 5.6mW/°C above +70°C) ...........444mW
Note 1: The output may be shorted to NEGOUT or GND if the package power dissipation is not exceeded. Typical short-circuit
current is 35mA.
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
(Circuit of Figure 3, V IN = +3.6V, FB = GND, R L = ∞ , SHDN = IN, T A = -40°C to +85°C , unless otherwise noted. Typical values are at
T A = +25°C.) (Note 2)
PARAMETER
Supply Voltage Range
Preset Output Voltage
Adjustable Output Voltage
Range
SYMBOL
V IN
V OUT
V OUT
CONDITIONS
V IN ≥ 2.7V, I OUT = 0 to 4mA
V IN ≥ 2.5V, I OUT = 0 to 4mA
MIN
2.5
-2.1
-(V IN - 0.6)
TYP
-2.0
MAX
5.5
-1.9
-0.5
UNITS
V
V
V
FB Voltage
V FB
V IN ≥ 2.5V,
I OUT = 0 to 4mA
T A = +25°C
T A = 0°C to +85°C
T A = -40°C to +85°C
-0.515
-0.525
-0.535
-0.5
-0.485
-0.475
-0.465
V
FB Input Current
Supply Current (Note 3)
I Q
V FB = -0.5V
-10
500
-100
950
nA
μA
Shutdown Supply Current
Output Load Regulation
Output Ripple
I SHUT
SHDN = GND
V IN ≥ 2.7V, I OUT = 0 to 4mA
I OUT = 4mA, circuit of Figure 3b
0.05
2
1
1
6
μA
mV/mA
mVp-p
Oscillator Frequency
POK Threshold
POK Output Level
POK Off Leakage Current
f OSC
FB = OUT
V IN ≥ 2.5V, sinking 1mA
V POK = 11V
80
90
100
92.5
120
95
100
1
kHz
% of
V OUT
mV
μA
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
SHDN Input Capacitance
Startup Time
V IH
V IL
I SHDN
C IN
t START
V IN = 5.5V
V IN = 2.5V
Connected to IN or GND
V IN = 3V, R L = 500 ? , V SHDN = 0 to V IN ,
POK goes low
2.2
10
0.35
±1
1
V
V
μA
pF
ms
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
Note 3: MAX881R may draw high supply current during startup, up to the minimum operating supply voltage. To guarantee proper
startup, the input supply must be capable of delivering 90mA more than the maximum load current.
2
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