参数资料
型号: MAX1847EEE+
厂商: Maxim Integrated Products
文件页数: 3/20页
文件大小: 0K
描述: IC REG CTRLR FLYBK INV CM 16QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
PWM 型: 电流模式
输出数: 1
频率 - 最大: 345kHz
占空比: 98%
电源电压: 3 V ~ 16.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
产品目录页面: 1410 (CN2011-ZH PDF)
High-Efficiency, Current-Mode,
Inverting PWM Controller
ELECTRICAL CHARACTERISTICS (continued)
(V SHDN = V IN = +12V, SYNC = GND, PGND = GND, R FREQ = 147k ? ±1%, C VL = 0.47μF, C REF = 0.1μF, T A = 0°C to +85°C , unless
otherwise noted.)
OSCILLATOR
R FREQ = 500k ? ± 1%
90
100
110
Oscillator Frequency
R FREQ = 147k ? ± 1%
255
300
345
kHz
R FREQ = 76.8k ? ± 1%
500
R FREQ = 500k ? ± 1%
93
96
97
Maximum Duty Cycle
R FREQ = 147k ? ± 1%
85
88
90
%
R FREQ = 76.8k ? ± 1%
80
SYNC Input Signal Duty-Cycle
Range
Minimum SYNC Input Logic-Low
Pulse Width
SYNC Input Rise/Fall Time
SYNC Input Frequency Range
(Note 2)
7
100
50
93
200
200
550
%
ns
ns
kHz
DIGITAL INPUTS
POL, SYNC, SHDN Input High
Voltage
POL, SYNC, SHDN Input Low
Voltage
2.0
0.45
V
V
POL, SYNC Input Current
POL, SYNC = GND or VL
20
40
μA
SHDN Input Current
V SHDN = +5V or GND
V SHDN = +16.5V
-12
-4
1.5
0
6
μA
SOFT-START
Soft-Start Clock Cycles
Soft-Start Levels
EXT OUTPUT
1024
64
Cycles
EXT Sink/Source Current
V IN = +5V, V EXT forced to +2.5V
1
A
EXT On-Resistance
EXT high or low, tested with 100mA load, V IN = +5V
EXT high or low, tested with 100mA load, V IN = +3V
2
5
5
10
?
Note 1: Production test correlates to operating conditions.
Note 2: Guaranteed by design and characterization.
_______________________________________________________________________________________
3
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