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| 型号： | MAX1705EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.85A 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： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.5 V ~ 5.5 V |
| 输入电压： | 0.7 V ~ 5.5 V |
| 频率 - 开关： | 260kHz ~ 340kHz |
| 电流 - 输出： | 850mA |
| 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 |
1- to 3-Cell, High-Current, Low-Noise,
Step-Up DC-DC Converters with Linear Regulator
ABSOLUTE MAXIMUM RATINGS
ONA, ONB , FBLDO, OUT, POUT to GND...................-0.3V to 6V
PGND to GND.....................................................................±0.3V
POUT to OUT ......................................................................±0.3V
LX to PGND ............................................-0.3V to (V POUT + 0.3V)
CLK/SEL, REF, FB, TRACK, LDO,
LBN, LBP, LBO to GND.......................-0.3V to (V OUT + 0.3V)
Continuous Power Dissipation (T A = +70°C)
QSOP (derate 8.70mW/°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
LDO Short Circuit .......................................................Continuous
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 POUT = V LBP = 3.6V, CLK/SEL = FB = LBN = LBO = ONA = ONB = TRACK = GND, REF = open (bypassed with 0.22μF),
LX = open, 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
DC-DC CONVERTER
Minimum Startup Voltage
Minimum Operating Battery
Voltage
T A = +25°C, I LOAD < 1mA, Figure 2
(Note 1)
0.9
0.7
1.1
V
V
FB Regulation Voltage
FB Input Current
OUT Adjust Range
Load Regulation
CLK/SEL = OUT
V FB = 1.5V
MAX1705, 0A ≤ I LX ≤ 0.5A;
MAX1706, 0A ≤ I LX ≤ 0.25A;
1.219
2.5
1.233
0.01
0.65
1.247
50
5.5
1.25
V
nA
V
%
CLK/SEL = OUT
OUT Voltage in Track Mode
TRACK = V LDO > 2.3V
V LDO
+ 0.2
V LDO
+ 0.3
V LDO
+ 0.4
V
Frequency in Startup Mode
Startup to Normal Mode
Transition Voltage
Supply Current in Shutdown
Supply Current in
Low-Power Mode
f LX
I OUT
I OUT
V POUT = V OUT = 1.5V
(Note 2)
ONA = GND, ONB = OUT, measure I OUT
CLK/SEL = GND, V FB = V FBLDO = 1.5V,
no load
40
2.00
150
2.15
1
100
300
2.30
20
190
kHz
V
μA
μA
Supply Current in
Low-Noise Mode
I OUT
CLK/SEL = OUT
V FB = V FBLDO = 1.5V, no load
FB = GND (LX switching)
180
2.1
360
μA
mA
REFERENCE
Reference Output Voltage
Reference Load Regulation
Reference Supply Regulation
I REF = 0μA
-1μA < I REF < 50μA
2.5V < V OUT < 5.5V
1.238
1.250
4
0.2
1.262
15
5
V
mV
mV
2
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