参数资料
型号: MAX1847EEE+T
厂商: Maxim Integrated Products
文件页数: 7/20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: 2,500
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: 带卷 (TR)
High-Efficiency, Current-Mode,
Inverting PWM Controller
Typical Operating Characteristics (continued)
(Circuit references are from Table 1 in the Main Application Circuits section, C VL = 0.47μF, C REF = 0.1μF, T A = +25°C, unless otherwise
noted.)
HEAVY-LOAD SWITCHING
SHDN
ENTERING SHUTDOWN
MAX1846/7 toc16
WAVEFORM
MAX1846/7 toc17
0
5V/div
V OUT
100mV/div
V OUT
5V/div
I L
1A/div
I L
1A/div
LX
10V/div
APPLICATION CIRCUIT B
1ms/div
V OUT
LIGHT-LOAD SWITCHING
WAVEFORM
MAX1846/7 toc18
APPLICATION CIRCUIT B
1 μ s/div
I LOAD = 600mA
100mV/div
1A/div
I L
I LOAD
LX
LOAD-TRANSIENT RESPONSE
MAX1846/7 toc19
APPLICATION CIRCUIT B
1 μ s/div
I LOAD = 50mA
I LOAD
10V/div
LOAD-TRANSIENT RESPONSE
MAX1846/7 toc20
V OUT
I L
APPLICATION CIRCUIT B
2ms/div
I LOAD = 10mA to 400mA
500mV/div
1A/div
V OUT
I L
APPLICATION CIRCUIT C
400 μ s/div
I LOAD = 4mA to 100mA
200mV/div
500mA/div
_______________________________________________________________________________________
7
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