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参数资料
| 型号： | MAX1524EUT-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST FLYBK SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 90% |
| 电源电压： | 1.5 V ~ 5.5 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | SOT-6 |
| 包装： | 带卷 (TR) |
Simple SOT23 Boost Controllers
Typical Operating Characteristics
(T A = +25°C, unless otherwise noted.)
100
EFFICIENCY vs. LOAD CURRENT
(DESIGN EXAMPLE 1)
100
EFFICIENCY vs. LOAD CURRENT
(DESIGN EXAMPLE 2)
100
EFFICIENCY vs. LOAD CURRENT
(DESIGN EXAMPLE 3)
90
90
V IN = +4.2V
90
V IN = +2.4V
V IN = +3V
80
80
80
V IN = +3.6V
V IN = +2.7V
V IN = +1.8V
70
60
V OUT = +5V
70
60
70
60
MAX1524
50
V IN = 3.3V
50
V OUT = +12V
50
V OUT = +5V
0.1
1
10
100
1000
0.1
1
10
100
1000
0.1
1
10
100
1000
100
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
(DESIGN EXAMPLE 4)
100
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
(DESIGN EXAMPLE 5)
1.75
LOAD CURRENT (mA)
STARTUP INPUT VOLTAGE
vs. OUTPUT CURRENT
90
V IN = +4.2V
90
V IN = +3.0V
1.50
80
80
1.25
70
60
V IN = +3.6V
V IN = +2.7V
70
60
V IN = +1.8V
V IN = +2.4V
1.00
V OUT = +3.3V
MAX1524
BOOTSTRAPPED
50
V OUT = +24V
50
V OUT = +3.3V
0.75
RESISTIVE LOADS
0.1
1
10
100
0.1
1
10
100
0
25
50
75
100
LOAD CURRENT (mA)
NO-LOAD INPUT CURRENT
LOAD CURRENT (mA)
SWITCHING WAVEFORM
LOAD CURRENT (mA)
SWITCHING WAVEFORM
10
vs. INPUT VOLTAGE
(CONTINUOUS CONDUCTION)
MAX1522/3/4 toc08
(DISCONTINUOUS CONDUCTION)
MAX1522/3/4 toc09
BOOTSTRAPPED
A
1
0.1
A
B
B
0.01
NONBOOTSTRAPPED
0.001
C
C
0.0001
0
1
2
3
4
5
400ns/div
4 μ s/div
INPUT VOLTAGE (V)
V IN = +3.3V, V OUT = +5V, I OUT = 350mA
A : V OUT , 200mV/div, AC-COUPLED
B : V LX , 5V/div
C : I L , 0.5A/div
V IN = +3.3V, V OUT = +24V, I OUT = 10mA
A : V OUT , 200mV/div, AC-COUPLED
B : V LX , 10V/div
C : I L , 0.5A/div
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3
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