参数资料
型号: MAX15021ATI+
厂商: Maxim Integrated Products
文件页数: 4/24页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ DL 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.6 V ~ 5.5 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 500kHz ~ 4MHz
电流 - 输出: 2A,4A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 28-TQFN-EP(5x5)
MAX15021
Dual, 4A/2A, 4MHz, Step-Down DC-DC
Regulator with Tracking/Sequencing Capability
Typical Operating Characteristics
(V AVIN = V DVDD1 = V DVDD2 = V PVIN1 = V PVIN2 = 5V, V OUT1 = 3.3V, V OUT2 = 1.5V, V PGND_ = 0V, R T = 16.5k Ω . T A = +25°C, unless
otherwise noted.)
100
90
80
CHANNEL 1 EFFICIENCY
vs. LOAD CURRENT
100
90
80
CHANNEL 1 EFFICIENCY
vs. LOAD CURRENT
100
90
80
CHANNEL 2 EFFICIENCY
vs. LOAD CURRENT
70
60
V PVIN1 = 5V
V PVIN1 = 3.3V
70
60
V OUT1 = 1.8V
V OUT1 = 1.0V
70
60
P VIN2 = 5V
P VIN2 = 3.3V
50
50
50
40
30
40
30
V OUT1 = 3.3V
40
30
20
10
V OUT1 = 1.8V
f SW = 2MHz
EN2 = 0V
20
10
V PVIN1 = 5V
f SW = 2MHz
EN2 = 0V
20
10
V OUT2 = 1.5V
f SW = 2MHz
EN1 = 0V
0
0
0
100
1000
5000
100
1000
5000
100
1000
3000
100
90
LOAD CURRENT (mA)
CHANNEL 2 EFFICIENCY
vs. LOAD CURRENT
3.320
3.318
LOAD CURRENT (mA)
CHANNEL 1
LOAD REGULATION
1.5070
1.5065
LOAD CURRENT (mA)
CHANNEL 2
LOAD REGULATION
80
70
60
50
40
V OUT2 = 1.0V
V OUT2 = 1.5V
V OUT2 = 2.5V
3.316
3.314
3.312
3.310
3.308
1.5060
1.5055
1.5050
1.5045
1.5040
V PVIN2 = 5V
V PVIN2 = 3.3V
30
3.306
1.5035
20
V PVIN2 = 5V
3.304
1.5030
10
0
f SW = 2MHz
EN1 = 0V
3.302
3.300
V PVIN1 = 5V
f SW = 2MHz
1.5025
1.5020
f SW = 2MHz
100
1000
3000
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.25
0.50
0.75
1.00
1.25
1.50
LOAD CURRENT (mA)
SWITCHING FREQUENCY
vs. RT RESISTANCE
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
LOAD CURRENT (A)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. TEMPERATURE
0.5
0
-0.4
-0.5
f SW = 2MHz
0
5
10
15
20
25
30
35
-40 -25 -10 5 20 35 50 65 80 95 110 125
4
RT RESISTANCE (k Ω )
TEMPERATURE ( ° C)
Maxim Integrated
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