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参数资料
| 型号： | MAX5053BEUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST ISO PWM 8-UMAX |
| 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： | 290kHz |
| 占空比： | 76% |
| 电源电压： | 10.8 V ~ 24 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
Current-Mode PWM Controllers with an Error
Amplifier for Isolated/Nonisolated Power Supplies
Typical Operating Characteristics (continued)
(UVLO = +1.4V, V FB = +1V, V COMP = floating, V CS = 0V, T A = +25°C, unless otherwise noted.)
SWITCHING FREQUENCY
CURRENT-LIMIT TRIP THRESHOLD
vs. TEMPERATURE
SWITCHING FREQUENCY
30
25
TOTAL NUMBER OF
DEVICES = 200
280
275
+3σ
TOTAL NUMBER OF
DEVICES = 100
30
25
TOTAL NUMBER OF
DEVICES = 200
270
20
265
20
15
10
5
0
260
255
250
245
240
MEAN
-3σ
15
10
5
0
260
270
280
290
300
310
320
-40
-20
0
20
40
60
80
230
240
250
260
270
280
290
CURRENT-LIMIT TRIP THRESHOLD (mV)
PROPAGATION DELAY FROM CURRENT-LIMIT
COMPARATOR INPUT TO NDRV vs. TEMPERATURE
TEMPERATURE ( ° C)
UVLO/EN PROPAGATION DELAY
vs. TEMPERATURE
SWITCHING FREQUENCY (kHz)
REFERENCE VOLTAGE
vs. TEMPERATURE
75
70
14
13
12
11
UVLO/EN RISING
1.230
1.229
V IN = 12V
10
65
60
55
50
9
8
7
6
5
4
3
2
1
0
UVLO/EN FALLING
1.228
1.227
1.226
1.225
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
TEMPERATURE ( ° C)
INPUT CURRENT
vs. INPUT CLAMP VOLTAGE
TEMPERATURE ( ° C)
INPUT CLAMP VOLTAGE
vs. TEMPERATURE
TEMPERATURE ( ° C)
NDRV OUTPUT IMPEDANCE
vs. TEMPERATURE
10
9
8
7
6
5
4
3
2
1
0
27.0
26.8
26.6
26.4
26.2
26.0
25.8
25.6
25.4
25.2
25.0
I IN = 2mA
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
V IN = 24V
SINKING 100mA
10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
INPUT VOLTAGE (V)
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
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