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| 型号： | MAX1705EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/18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
ELECTRICAL CHARACTERISTICS (continued)
(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 = -40°C to +85°C, unless otherwise noted, Note 4.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LINEAR REGULATOR
FBLDO Regulation Voltage
FBLDO Input Current
Short-Circuit Current Limit
Dropout Resistance
FBLDO = LDO, I LOAD = 1mA
V FBLDO = 1.5V
FBLDO = LDO = GND
V FBLDO = 1V, I LDO = 200mA
1.233
220
0.01
1.268
50
600
1.2
V
nA
mA
?
LOW-BATTERY COMPARATOR
LBN, LBP Offset
LBN, LBP Common-Mode
Input Range
LBO High Leakage
LBP falling
LBN = 0.5V and 1.5V (at least one input must
be within this range)
LBO = OUT = 5V
-5
0.5
+5
1.5
1
mV
V
μA
CONTROL INPUTS
Input Low Level
Input High Level
1.2V < V OUT < 5.5V, ONA, ONB (Note 2)
V OUT = 2.5V, CLK/SEL, TRACK
1.2V < V OUT < 5.5V, ONA, ONB (Note 2)
V OUT = 5.5V, CLK/SEL, TRACK
0.85V OUT
0.85V OUT
0.15V OUT
0.15V OUT
V
V
Internal Oscillator Frequency
External Oscillator
Synchronization Range
CLK/SEL = OUT
260
200
340
400
kHz
kHz
Note 1:
Note 2:
Note 3:
Note 4:
Once the output is in regulation, the MAX1705/MAX1706 operate down to a 0.7V input voltage.
The device is in startup mode when V OUT is below this value (see Low-Voltage Startup Oscillator section).
ONA and ONB inputs have a hysteresis of approximately 0.15V OUT .
Specifications to -40°C to are guaranteed by design, not production tested.
_______________________________________________________________________________________
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