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| 型号： | MAX1677EEE-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC 0.35A DL 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 两者兼有 |
| 输出数： | 2 |
| 输出电压： | 3.3V 或可调主电源，-28 V ~ 28 V 或可调副电源 |
| 输入电压： | 0.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 350mA |
| 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-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-QSOP |
Compact, High-Efficiency, Dual-Output
Step-Up and LCD Bias DC-DC Converter
ABSOLUTE MAXIMUM RATINGS
OUT, LCDON, ON, POUT, LBI, LBO ,
LX to GND .............................................................-0.3V to +6V
CLK/SEL, LCDPOL, REF, LCDFB,
FB to GND .............................................-0.3V to (V OUT + 0.3V)
LCDLX to GND .......................................................-0.3V to +30V
PGND, LCDGND to GND ......................................-0.3V to +0.3V
Continuous Power Dissipation (T A = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........696mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
POUT to OUT.........................................................-0.3V to +0.3V
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 OUT = 3.3V, C REF = 0.1μF, POUT = OUT, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Input Voltage Range
Minimum Startup Voltage
V IN
V STARTUP
(Note 1)
T A = +25 ° C, I LOAD < 1mA
0.7
0.9
5.5
1.1
V
V
Reference Voltage
Reference Load Regulation
Reference Line Rejection
Supply Current
Main DC On, LCD Off
Supply Current All On,
Main DC-DC in PFM Mode
Supply Current All On,
Main DC-DC in PWM Mode
V REF
I LCDOFF
I PFM
I PWM
I REF = 0
I REF = 0 to 50μA (Note 2)
V OUT = 2.5V to 5.5V
No load, current into OUT
No load, current into OUT
No load, current into OUT
1.23
1.25
2
0.2
20
35
115
1.27
15
5
40
60
300
V
mV
mV
μA
μA
μA
Supply Current in Shutdown
0.3
5
μA
MAIN BOOST DC-DC
Output Voltage
FB Regulation Voltage
FB Input Current
V OUT
V FB (REG)
I FB
FB = GND, 0 ≤ I LX ≤ 350mA,
CLK/SEL = OUT (Note 3)
Adjustable mode, CLK/SEL = OUT (Note 3)
V FB = 1.3V
3.20
1.225
3.30
1.25
0.02
3.43
1.275
50
V
V
nA
Output Voltage Adjustment
Range
2.5
5.5
V
Startup to Normal Mode
Transition Voltage (Note 4)
Line Regulation
Load Regulation
V LOCKOUT
I OUT = 150mA, V IN = 2V to 3V
CLK/SEL = OUT, V IN = 2.4V,
I LOAD = 10mA to 200mA
2.1
0.6
1
2.4
V
%
%
Frequency in Startup Mode
LX Leakage Current
f STARTUP
I LX (LEAK)
V OUT = 15V
40
0.2
300
5
kHz
μA
2
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