参数资料
型号: MAX758AEPA+
厂商: Maxim Integrated Products
文件页数: 4/16页
文件大小: 0K
描述: IC REG BUCK ADJ 0.75A 8DIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.25 V ~ 16 V
输入电压: 4 V ~ 16 V
PWM 型: 电流模式
频率 - 开关: 160kHz
电流 - 输出: 750mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
供应商设备封装: 8-PDIP
Adjustable, Step-Down,
Current-Mode PWM Regulators
_____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 3, V OUT = 5V, T A = +25°C, unless otherwise noted.)
1000
MAX758A
PEAK INDUCTOR CURRENT
vs. OUTPUT CURRENT
L1 = 100μH
700
MAX758A
PEAK INDUCTOR CURRENT
vs. OUTPUT CURRENT
L1 = 18μH
220
OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
(NOTE 3)
C4 = 300μF
600
C4 = 1000μF
210
800
500
200
600
400
190
400
200
V+ = 6.6V
V+ 8.0V TO 16.0V
300
200
100
V+ = 10.2V
V+ = 8.0V
V+ = 6.6V
180
170
160
MAX750A
MAX758A
V+ = 6.0V
0
0
100 200 300 400 500 600 700 800
0
0
50
100
150
200
250
300
150
4
6
8
10
12
14
16
OUTPUT CURRENT (mA)
MAX758A
NO-LOAD SUPPLY CURRENT vs. SUPPLY VOLTAGE
3.0
2.0
OUTPUT CURRENT (mA)
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
20
SUPPLY VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
2.5
2.0
1.5
(NOTES 3, 5)
UNDERVOLTAGE
LOCKOUT V+ FALLING
(OPERATION ENDS)
2.5
2.0
1.5
(NOTES 4, 5)
MAX750A, V+ = 9.0V
MAX758A, V+ = 12.0V
18
16
14
12
10
(NOTES 4, 5)
MAX758A ONLY, V+ = 16V
MAX758A ONLY, V+ = 12V
V+ = 9V
V+ = 6V
8
1.0
1.0
6
0.5
0
UNDERVOLTAGE
LOCKOUT V+ RISING
(OPERATION BEGINS)
0.5
0
4
2
0
0
2
4
6
8
10
12
14
16
-60 -40 -20 0 20 40 60 80 100 120 140
-60 -40 -20 0 20 40 60 80 100 120 140
SUPPLY VOLTAGE (V)
MAX750A
OSCILLATOR FREQUENCY vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
MAX758A
OSCILLATOR FREQUENCY vs. TEMPERATURE
240
220
200
V+ = 11.0V
V+ = 5.5V
(NOTE 4)
200
190
180
170
V+ = 6.0V
V+ = 16.0V
(NOTE 4)
180
160
160
150
V+ = 12.0V
140
V+ = 7.0V
V+ = 9.0V
140
V+ = 9.0V
130
0
-60 -40 -20
0
20 40 60 80 100 120 140
120
-60 -40 -20
0
20 40 60 80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
4
_______________________________________________________________________________________
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