参数资料
型号: MAX8505EEE+T
厂商: Maxim Integrated Products
文件页数: 6/15页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 16QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 4.68 V
输入电压: 2.6 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 500kHz,1MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 16-QSOP
3A, 1MHz, 1% Accurate, Internal Switch
Step-Down Regulator with Power-OK
Typical Operating Characteristics
(Typical values are at V IN = V CC = V CTL = 5V, V OUT = 1.2V, I OUT = 3A, and T A = +25°C, unless otherwise noted.)
EFFICIENCY vs. OUTPUT CURRENT
(V IN = V CC = 5V, f SW = 1MHz)
EFFICIENCY vs. OUTPUT CURRENT
(V IN = V CC = 3.3V, f SW = 500kHz)
EFFICIENCY vs. OUTPUT CURRENT
(V IN = V CC = 3.3V, f SW = 1MHz)
100
90
A
100
90
A
B
100
90
A
80
D
C
B
80
D
C
80
B
C
D
70
70
70
60
A: V OUT = 3.3V
B: V OUT = 2.5V
C: V OUT = 1.2V
D: V OUT = 0.8V
60
A: V OUT = 2.5V
B: V OUT = 1.8V
C: V OUT = 1.2V
D: V OUT = 0.8V
60
A: V OUT = 2.5V
B: V OUT = 1.8V
C: V OUT = 1.2V
D: V OUT = 0.8V
50
50
50
0
1
2
3
4
0
1
2
3
4
0
1
2
3
4
OUTPUT CURRENT (A)
EFFICIENCY vs. OUTPUT CURRENT
(V IN = 2.5V, V CC = 5V, f SW = 1MHz)
100
A
90
B
OUTPUT CURRENT (A)
1.05
1.03
OUTPUT CURRENT (A)
FREQUENCY vs. INPUT VOLTAGE AND
TEMPERATURE
+85°C
80
C
1.01
70
0.99
+25°C
60
A: V OUT = 1.8V
B: V OUT = 1.2V
0.97
-40°C
C: V OUT = 0.8V
50
0.95
0
1
2
3
4
2.5
3.0
3.5
4.0
4.5
5.0
5.5
530
OUTPUT CURRENT (A)
FREQUENCY vs. INPUT VOLTAGE AND
TEMPERATURE
6
INPUT VOLTAGE (V)
OUTPUT LOAD REGULATION
A: V OUT = 0.8V
520
+85°C
5
B: V OUT = 1.2V
C: V OUT = 1.8V
D: V OUT = 2.5V
510
500
490
-40°C
+25°C
4
3
2
D
C
B
A
480
470
1
0
V IN = V CC = 3.3V
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
1
2
3
4
INPUT VOLTAGE (V)
OUTPUT CURRENT (A)
6
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