參數(shù)資料
型號(hào)： MAX685EEE+
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： Dual-Output (Positive and Negative), DC-DC Converter for CCD and LCD
中文描述： 0.44 A DUAL SWITCHING CONTROLLER, 480 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件頁(yè)數(shù)： 4/11頁(yè)
文件大?。?/td> 344K
代理商： MAX685EEE+
MAX685
Dual-Output (Positive and Negative),
DC-DC Converter for CCD and LCD
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = VP = 5V, TA = 0°C to +85°C unless otherwise noted. Typical values are at TA = +25°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.
VDD, VP to GND........................................................-0.3V to +6V
PGND to GND .......................................................-0.3V to +0.3V
VDD to VP...............................................................-0.3V to +0.3V
LXN, POK to GND ..................................................-0.3V to +30V
LXP to VDD..............................................................-15V to +0.3V
REF, SEQ, SHDN to GND...........................-0.3V to (VDD + 0.3V)
FBP, FBN, SYNC to GND .........................................-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)............667mW
24-Pin TQFN (derate 20.8mW/°C above +70°C) ........1667mW
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
2.7V < VDD < 5.5V
VDD = 5.5V (Note 1)
No load
VDD = VP
No load
C3 = C4 = 10F, ILOAD = 5mA
IOUT = 0 to 10mA, C1 = 10F
VDD = rising
VDD = 4.5V to 5.5V
VFBP = 1.35V, VFBN = -0.1V
VDD = 4.5V, VOUT+
≥ 14.25V, VOUT- ≤ -7.125V,
Figure 3
TA = +25°C
VDD = 4.5V
SYNC = SEQ = SHDN = GND
SYNC = VDD
CONDITIONS
A
0.1
1
Input Bias Current
V
0.7 x VDD
Logic-High Input
V
0.3 x VDD
Logic-Low Input
A
±0.01
±0.1
FBP, FBN Input Leakage Current
mV
-16
10
36
FBN Threshold Voltage
V
1.21
1.24
1.27
FBP Threshold Voltage
mV
50
UVLO Hysteresis
V
2.35
2.5
2.65
UVLO Threshold
A
0.1
10
Shutdown Supply Current
V
-9
-1.27
Negative Output Voltage Range
V
VP
24
V
2.7
5.5
Input Voltage Range
Positive Output Voltage Range
mVp-p
30
Output Voltage Ripple
%/mA
0.13
Load Regulation
%/V
0.2
Line Regulation
A
300
500
Idle Quiescent Current
mA
10
Output Current
mA
440
LX Current Limit
0.6
2
LXP, LXN On-Resistance
mA
0.8
Quiescent Current
UNITS
MIN
TYP
MAX
PARAMETER
0 < IREF < 50A
No load
mV
-2
VREF Load Regulation
V
1.23
1.250
1.27
VREF Output Voltage
SHUTDOWN (SHDN)
UNDERVOLTAGE LOCKOUT
REFERENCE VOLTAGE
FB INPUTS
LOGIC INPUTS (SEQ, SHDN, SYNC)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX685EEE+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 DC/DC Converter for CCD & LCD RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX685EEE+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 DC/DC Converter for CCD & LCD RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX685EEE-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 DC/DC Converter for CCD & LCD RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX685ETG 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX685ETG+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 DC/DC Converter for CCD & LCD RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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