参数资料
型号: MAX5065EAI+
厂商: Maxim Integrated Products
文件页数: 5/32页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 46
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 90%
电源电压: 4.75 V ~ 28 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: 28-SSOP(0.209",5.30mm 宽)
包装: 管件
Dual-Phase, +0.6V to +3.3V Output Parallelable,
Average-Current-Mode Controllers
Typical Operating Characteristics
(Circuit of Figure 1. T A = +25 ° C, unless otherwise noted.)
100
EFFICIENCY vs. OUTPUT CURRENT AND
INTERNAL OSCILLATOR FREQUENCY
100
90
EFFICIENCY vs. OUTPUT CURRENT
AND INPUT VOLTAGE
100
90
EFFICIENCY vs. OUTPUT CURRENT
AND INPUT VOLTAGE
90
f = 500kHz
80
V IN = +12V
80
80
f = 250kHz
70
60
V IN = +5V
70
60
V IN = +12V
V IN = +5V
70
60
50
40
30
50
40
30
50
40
V IN = +5V
V OUT = +1.8V
20
10
0
V OUT = +1.8V
f SW = 250kHz
20
10
0
V OUT = 1V
f SW = 250kHz
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
I OUT (A)
EFFICIENCY vs. OUTPUT CURRENT
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
I OUT (A)
EFFICIENCY vs. OUTPUT CURRENT
AND OUTPUT VOLTAGE
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
OUTPUT CURRENT (A)
EFFICIENCY vs. OUTPUT CURRENT
AND OUTPUT VOLTAGE
80
70
80
70
V OUT = +1.5V
V OUT = +1.8V
80
70
V OUT = +1.5V
V OUT = +1.8V
60
60
60
50
40
30
20
V IN = +24V
50
40
30
20
V OUT = +1V
50
40
30
20
V OUT = +1V
10
0
V OUT = +1.8V
f SW = 125kHz
10
0
V IN = +12V
f SW = 250kHz
10
0
V IN = +12V
f SW = 500kHz
12.0
11.5
0 4 8 12 16 20 24 28 32 36 40 44 48 52
I OUT (A)
SUPPLY CURRENT
vs. FREQUENCY AND INPUT VOLTAGE
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
OUTPUT CURRENT (A)
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
OUTPUT CURRENT (A)
SUPPLY CURRENT
vs. LOAD CAPACITANCE PER DRIVER
11.0
10.5
10.0
9.5
9.0
8.5
V IN = +24V
V IN = +12V
80
70
60
50
40
250kHz
125kHz
80
70
60
50
40
8.0
7.5
7.0
6.5
6.0
V IN = +5V
EXTERNALCLOCK
NO DRIVER LOAD
30
20
10
0
V IN = +12V
C DL_ = 22nF
C DH_ = 8.2nF
30
20
10
0
V IN = +12V
f SW = 250kHz
100 150 200 250 300 350 400 450 500 550 600
-40
-15
10
35
60
85
1
3
5
7
9
11
13
15
FREQUENCY (kHz)
TEMPERATURE ( ° C)
C DRIVER (nF)
_______________________________________________________________________________________
5
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