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参数资料
| 型号： | MAX1705EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/18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 = 0°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Internal Oscillator Frequency
SYMBOL
CONDITIONS
CLK/SEL = OUT
MIN
260
TYP
300
MAX
340
UNITS
kHz
External Oscillator
Synchronization Range
200
400
kHz
Oscillator Maximum Duty Cycle
Minimum CLK/SEL Pulse
Maximum CLK/SEL
Rise/Fall Time
80
86
200
100
90
%
ns
ns
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)
noted. (Note 4) LX = open, T A = -40°C to +85°C, unless otherwise noted. (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC-DC CONVERTER
FB Regulation Voltage
OUT Voltage in Track Mode
Startup to Normal Mode
Transition Voltage
CLK/SEL = OUT
TRACK = OUT, V LDO > 2.3V
1.215
V LDO +
0.2
2.0
1.251
V LDO +
0.4
2.3
V
V
V
Supply Current in Shutdown
Supply Current in
Low-Power Mode
Supply Current in
Low-Noise Mode
I OUT
I OUT
I OUT
ONA = 0V, ONB = OUT, measure I OUT
CLK/SEL = 0V, FB = FBLDO = 1.5V, no load
CLK/SEL = OUT, V FB = V FBLDO = 1.5V,
no load
20
190
360
μA
μA
μA
REFERENCE
Reference Output Voltage
I REF = 0μA
1.235
1.265
V
DC-DC CONVERTER
Switch On-Resistance
n-channel, I LX = 100mA
p-channel, I LX = 100mA
CLK/SEL = 0V
CLK/SEL = OUT
CLK/SEL = OUT
0.45
0.28
0.50
?
n-Channel MOSFET
Current Limit
p-Channel Synchronous-
Rectifier Turn-Off Current
I LIM
CLK/SEL = OUT
CLK/SEL = 0V
CLK/SEL = 0V
MAX1705
MAX1706
MAX1705
MAX1706
1000
550
250
250
20
1700
950
570
570
120
mA
mA
4
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