参数资料
型号: MAX6476TA18AD3+T
厂商: Maxim Integrated
文件页数: 5/20页
文件大小: 0K
描述: IC REG LDO 1.8V/ADJ .3A 8-TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
稳压器拓扑结构: 正,固定式或可调式
输出电压: 1.8V,1.25 V ~ 5.5 V
输入电压: 2.5 V ~ 5.5 V
稳压器数量: 1
电流 - 输出: 300mA(最小)
电流 - 限制(最小): 450mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WDFN 裸露焊盘
供应商设备封装: 8-TDFN-EP(3x3)
包装: 带卷 (TR)
300mA LDO Linear Regulators with Internal
Microprocessor Reset Circuit
Typical Operating Characteristics (continued)
(V IN = 5V, V OUT = 3.3V, C OUT = 3.3μF, T A = +25°C, unless otherwise noted.)
REGION OF STABLE C OUT ESR
DROPOUT VOLTAGE vs. LOAD CURRENT
PSRR vs. FREQUENCY
vs. LOAD CURRENT
125
100
V OUT = 3.3V
C OUT = 3.3 μ F
0
-10
V OUT = 3.3V
C OUT = 3.3 μ F
I LOAD = 30mA
5
4
-20
75
50
25
-30
-40
-50
3
2
1
C OUT = 4.7 μ F
C OUT = 3.3 μ F
STABLE REGION
0
-60
0
0
50
100
150
200
250
300
0.01
0.1
1
10
100
1000
0
50
100
150
200
250
300
LOAD CURRENT (mA)
OUTPUT NOISE
FREQUENCY (kHz)
OUTPUT NOISE vs. FREQUENCY
LOAD CURRENT (mA)
SHUTDOWN RESPONSE
V IN = 4.5V
MAX6469 toc07
100
V IN = 2.5V
MAX6469 toc09
V OUT = 3.3V
V OUT = 1.5V
I LOAD = 100mA
80
60
I OUT = 100mA
V SHDN
5V/div
100 μ V/div
40
V OUT
20
0
I LOAD = 50mA
2V/div
500 μ s/div
10
100
1k
10k
100k
20ms/div
FREQUENCY (Hz)
LOAD-TRANSIENT RESPONSE
STARTUP RESPONSE
MAX6469 toc10
LOAD-TRANSIENT RESPONSE
MAX6469 toc11
NEAR DROPOUT
MAX6469 toc12
10 μ s/div
V IN
2V/div
V OUT
2V/div
V IN = 5V
V OUT = 3.3V
I LOAD = 10mA TO 300mA
100 μ s/div
V OUT
20mV/div
10 μ s/div
V IN = 5V
V OUT = 3.3V
I LOAD = 100mA
V OUT
5mV/div
_______________________________________________________________________________________
5
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