参数资料
型号: MAX1716EEG+
厂商: Maxim Integrated Products
文件页数: 8/33页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 电流模式
输出数: 1
频率 - 最大: 550kHz
占空比: 100%
电源电压: 2 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: 24-SSOP(0.154",3.90mm 宽)
包装: 管件
High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
Typical Operating Characteristics (continued)
(Circuit from Figure 1, components from Table 2, T A = +25 ° C, unless otherwise noted.)
EFFICIENCY vs.
LOAD CURRENT (1.0V AT 400kHz)
OUTPUT VOLTAGE vs. LOAD CURRENT
(1.6V AT 300kHz)
OUTPUT VOLTAGE vs.
LOAD CURRENT (1.3V AT 300kHz)
100
95
C1
1.64
1.62
PWM MODE
SKIP MODE
1.34
1.32
PWM MODE
SKIP MODE
90
85
80
A1
B1
1.60
1.58
V BATT = 24V
1.30
1.28
V BATT = 24V
75
70
A2
B2
1.56
V BATT = 7V
1.26
V BATT = 7V
65
60
55
50
D1
C2
D2
CIRCUIT #3
1.54
1.52
1.50
1.24
1.22
1.20
CIRCUIT #2
L = 1.0 μ H
0.01
0.1
1
10
100
0
5
10
15
20
25
0
2
4
6
8
10
12
14
LOAD CURRENT (A)
OUTPUT VOLTAGE vs.
LOAD CURRENT (1.0V AT 400kHz)
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. LOAD CURRENT
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. BATTERY VOLTAGE
1.02
PWM MODE
350
320
1.00
V BATT = 24V
SKIP MODE
300
250
PWM MODE
310
300
V OUT(PROG) = 1.6V
0.98
V BATT = 7V
200
290
0.96
150
V OUT(PROG) = 0.925V
100
SKIP MODE
280
0.94
50
V BATT = 7V
270
0.92
CIRCUIT #3
0
V OUT(PROG) = 1.6V
260
I OUT = 12A
0
2
4
6
8
10
12
14
0
4
8
12
16
20
0
4
8
12
16
20
24
330
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. TEMPERATURE
0.88
LOAD CURRENT (A)
ON-TIME vs. TEMPERATURE
6
V BATT (V)
NORMALIZED CURRENT-LIMIT ERROR
vs. TEMPERATURE
320
I OUT = 12A
0.86
4
310
0.84
I OUT = 1A
2
300
I OUT = 5A
0.82
0.80
0
290
280
I OUT = 1A
0.78
0.76
I OUT = 5A
I OUT = 12A
-2
-4
270
-40
-15
10
35
60
85
0.74
-40
-15
10
35
60
85
-6
-40
-15
10
35
60
85
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
8
_______________________________________________________________________________________
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