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| 型号： | MAX1708EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BST 3.3V/5V/ADJ 5A 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： | 1 |
| 输出电压： | 3.3V，5V，可调 |
| 输入电压： | 0.7 V ~ 5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 600kHz |
| 电流 - 输出： | 5A |
| 同步整流器： | 无 |
| 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 |
High-Frequency, High-Power, Low-Noise,
Step-Up DC-DC Converter
ABSOLUTE MAXIMUM RATINGS
ONA, ONB , OUT, SS/LIM, 3.3/5 to GND ...............-0.3V to +6.0V
LX to PGND ...........................................................-0.3V to +6.0V
FB, CLK, REF to GND.............................. -0.3V to (V OUT + 0.3V)
PGND to GND .......................................................-0.3V to +0.3V
Continuous Power Dissipation (T A = +70°C)
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
Soldering Temperature (reflow) .......................................+260°C
QSOP (derate 8.30mW/°C above +70°C). ..................667mW
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 = V CLK = 3.6V, ONA = ONB = FB = GND, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage
V FB < 0.1V (Note 1)
3.3 /5 = GND, I SW = 0.5A
3.3 /5 = OUT, I SW = 0.5A
3.26
4.90
3.34
5.05
3.42
5.20
V
Load Regulation
Measured between 0.5A < I SW < 1.5A (Note 2)
-0.40
-0.60
%/A
FB Regulation Voltage (V FB )
FB Input Current
Output Voltage Adjust Range
I SW = 0.5A
V FB = 1.5V
1.215
2.5
1.240
1
1.265
200
5.5
V
nA
V
Output Undervoltage Lockout
Frequency in Startup Mode
Minimum Startup Voltage
Minimum Operating Voltage
Rising and falling (Note 3)
V OUT =1.5V
I OUT < 1mA, T A = +25°C (Note 4)
(Note 5)
2.0
40
0.9
0.7
2.3
400
1.1
V
kHz
V
V
Soft-Start Pin Current
OUT Supply Current
OUT Leakage Current In
Shutdown
LX Leakage Current
N-Channel Switch
On-Resistance
V SS/LIM = 1V
V FB = 1.5V (Note 6)
V ONB = 3.6V
V LX = V ONB = V OUT = 5.5V
3.2
4
200
0.1
1
30
5.0
300
2
25
80
μA
μA
μA
μA
m
N-Channel Current Limit
SS/LIM = open
SS/LIM = 150k
to GND
4.5
1.80
5.3
3.00
7.0
3.85
A
RMS Switch Current
5
A RMS
Reference Voltage
I REF = 0mA
1.245
1.260
1.275
V
Reference Load Regulation
Reference Supply Rejection
-1μA
2.5V
I REF
V OUT
50 μA
5.5V
4
0.2
10
5
mV
mV
Input Low Level (Note 7)
ONA, ONB , 3.3 /5, 1.2V < V OUT < 5.5V
CLK, 2.7V < V OUT < 5.5V
0.2
0.2
V OUT
V OUT
V
2
_______________________________________________________________________________________
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