參數(shù)資料
型號(hào)： MAX886_EUK33
廠商： Maxim Integrated Products, Inc.
英文描述： Low-Noise, Low-Dropout, 150mA Linear Regulators in SOT23
中文描述： 低噪聲，低壓差，150mA的線性穩(wěn)壓器采用SOT23
文件頁(yè)數(shù)： 15/20頁(yè)
文件大小： 257K
代理商： MAX886_EUK33
M
Wireless and S atellite Handset
Power-Management ICs
______________________________________________________________________________________
15
Low-Battery Detec tor
A low-battery comparator detects low-battery condi-
tions. The trip threshold is internally set to V
REF
(1.25V
typ). LBHYS sets the hysteresis with external resistors.
LBO
and LBHYS have open-drain outputs. The exter-
nally set low-battery threshold must be higher than the
UVLOF threshold (2.45V typical).
Set the threshold and hysteresis by connecting resis-
tors R1 (between BATT and LBI), R2 (between LBI and
LBHYS), and R3 (LBHYS and GND) (Figure 2).
After choosing the upper and lower thresholds, calcu-
late the resistor values as follows:
1) Choose a value for R1. Typical values range from
500k
to 1.5M
.
2) Calculate R2:
3) Calculate R3:
R3
R2 V
V
R1
V
V
V
THF
REF
REF
REF
THF
)
R
R
V
V
THR
REF
2
1
1
=
±
Table 3. MAX888 Output Voltage Settings
Table 5. OUT3 Output Voltage Setting
Table 4. Oscillator Frequency Setting
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1.25
1.40
1.55
1.70
1.85
2.00
2.15
2.30
2.45
2.60
2.75
2.90
3.05
3.20
3.35
3.50
1.527
1.627
1.727
1.827
1.927
2.027
2.127
2.227
2.327
2.427
2.527
2.627
2.727
2.827
2.927
3.027
1.25
1.40
1.55
1.70
1.85
2.00
2.15
2.30
2.45
2.60
2.75
2.90
3.05
3.20
3.35
3.50
1.527
1.627
1.727
1.827
1.927
2.027
2.127
2.227
2.327
2.427
2.527
2.627
2.727
2.827
2.927
3.027
REGULATOR OUTPUT VOLTAGE (V)
OUT2
DACX DATA
OUT1
OUT0
D2
D0
D1
D3
OUT5
Note:
The output voltage of each regulator can be set independently. The POR states are in boldface.
0
0
1
1
X
X
X
X
0
1
0
1
D3
D1
D2
ADDRESS 03h
DATA
0V (REG3 Off)
2.85V
4.65V
VOUT2 (REG3 Off)
X
X
X
X
D0
X
X
X
X
0
0
1
1
X
X
X
X
0
1
0
1
D0
D3
D1
D2
670
925
ADDRESS 03h DATA
f
OSC
(kHz)
375
535
Note:
The POR states are in boldface.
Note:
The POR states are in boldface.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX8873REUK 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Rochester Electronics LLC 功能描述:
MAX8873REUK+T 功能描述:低壓差穩(wěn)壓器 - LDO 120mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8873REUK-T 功能描述:低壓差穩(wěn)壓器 - LDO 120mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8873SEUK 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product 制造商:Rochester Electronics LLC 功能描述:
MAX8873SEUK+ 制造商:Maxim Integrated Products 功能描述:LDO REG 1.25V TO 6.5V/2.84V 0.12A 5PIN SOT-23 - Rail/Tube
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