参数资料
型号: MAX15023ETG+T
厂商: Maxim Integrated Products
文件页数: 6/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 24TQFNEP
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: 2
频率 - 最大: 1MHz
占空比: 87.5%
电源电压: 4.5 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-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX15023
Wide 4.5V to 28V Input, Dual-Output
Synchronous Buck Controller
Typical Operating Characteristics (continued)
(Supply = IN = 12V, unless otherwise noted. See Typical Application Circuit of Figure 6.)
210
I IN + I VCC CURRENT
vs. SWITCHING FREQUENCY
1.250
EN_ TURN-ON AND TURN-OFF THRESHOLD
vs. TEMPERATURE
60
LIM_ CURRENT
vs. TEMPERATURE
180
150
V IN = V CC = 5V
C DL_ = C DH_ = 10nF
1.225
1.200
1.175
EN_ RISING
58
56
54
120
90
60
30
C DL_ = C DH_ = 4.7nF
C DL_ = C DH_ = 1nF
C DL = C DH = 0nF
1.150
1.125
1.100
1.075
1.050
1.025
EN_ FALLING
52
50
48
46
44
42
40
I LIM2
I LIM1
0
1.000
38
200 300 400 500 600 700 800 900 1000
-40
-15
10
35
60
85
-40
-15
10
35
60
85
SWITCHING FREQUENCY (kHz)
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
230
225
SHUTDOWN CURRENT
vs. TEMPERATURE
300
270
240
CURRENT-LIMIT THRESHOLD
vs. R LIM
220
215
210
205
200
210
180
150
120
90
60
30
0
SOURCE CURRENT LIMIT
SINK CURRENT LIMIT
-40
-15
10
35
60
85
5 10 15 20 25 30 35 40 45 50 55 60
6
TEMPERATURE ( ° C)
LOAD TRANSIENT ON OUT1
MAX15023 toc15
10 μ s/div
V OUT1 (AC-COUPLED)
100mV/div
V OUT2 (AC-COUPLED)
50mV/div
I OUT1
5A/div
R LIM (k ? )
LOAD TRANSIENT ON OUT2
MAX15023 toc16
10 μ s/div
V OUT2 (AC-COUPLED)
200mV/div
V OUT1 (AC-COUPLED)
100mV/div
I OUT2
2A/div
Maxim Integrated
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