参数资料
型号: MAX1847EEE+T
厂商: Maxim Integrated Products
文件页数: 6/20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.)
VL VOLTAGE
1.260
1.255
1.250
REFERENCE LOAD REGULATION
4.340
4.300
4.260
4.220
vs. TEMPERATURE
4.27
4.26
4.25
VL LOAD REGULATION
4.24
4.180
1.245
4.140
4.23
1.240
4.100
I VL = 0
4.22
0
100
200
300
400
500
-40
-20
0
20
40
60
80
100
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
I REF ( μ A)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE ( ° C)
OPERATING CURRENT
vs. TEMPERATURE
I VL (mA)
SWITCHING FREQUENCY
vs. R FREQ
16
14
A: V IN = 3V, V OUT = -12V
A
500
14
12
10
V IN = 16.5     V
V IN = 10V
12
10
8
400
300
8
6
V IN = 3V
6
APPLICATION CIRCUIT A
B: V IN = 5V, V OUT = -5V
C: V IN = 16.5V, V OUT = -5V
B
200
4
2
0
4
2
0
C
100
0
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
0
100
200
300
400
500
600
302
301
TEMPERATURE ( ° C)
SWITCHING FREQUENCY
vs. TEMPERATURE
160
140
TEMPERATURE ( ° C)
EXT RISE/FALL TIME
vs. CAPACITANCE
R FREQ (k ? )
EXITING SHUTDOWN
MAX1846/7 toc15
5V/div
300
299
298
297
296
120
100
80
60
40
FALL TIME
SHDN
0
V OUT
5V/div
295
294
R FREQ = 147k? ±1%
20
0
RISE TIME
V IN = 12V
I L
1A/div
-40
-20
0
20
40
60
80
100
0
2000
4000
6000
8000
10,000
APPLICATION CIRCUIT B
TEMPERATURE ( ° C)
CAPACITANCE (pF)
1ms/div
6
_______________________________________________________________________________________
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