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| 型号： | MAX16999AUA33+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V .1A 8UMAX-EP |
| 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 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.035V @ 80mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 100mA |
| 电流 - 限制（最小）： | 105mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 8-uMax-EP |
| 包装： | 带卷 (TR) |
Ultra-Low Output Voltage, Low-Quiescent-Current
Linear Regulator for High-Temperature Applications
Typical Operating Characteristics (continued)
(For devices with V OUT < 1.5V, V IN = 3.3V. For devices with V OUT > 1.5V, V IN = 5V. EN = IN, C IN = 1μF, C OUT = 4.7μF, C CRES = 1000pF,
T A = + 25°C, unless otherwise noted.)
CRES PULLUP CURRENT
LINE/RESET RESPONSE
vs. TEMPERATURE
MAX16999 toc16
20
18
V OUT = 1V, C CRES = 15,000pF
V IN
V OUT
V RESET
V OUT = 0.5V, I OUT = 50mA, C CRES = 15,000pF
2V/div
0
500mV/div
0
5V
0
16
14
12
10
8
6
4
2
0
2ms/div
-50
-25
0
25
50
75
100 125 150
TEMPERATURE ( ° C)
RESET TIMEOUT
30
vs. CRES CAPACITANCE
SHORT-CIRCUIT RESPONSE
MAX16999 toc19
25
V OUT
5V
0
20
15
10
5
V RESET
I OUT
5V
0
5A
0
V OUT = 3.3V
0
0
100
200
300
400
500
200 μ s/div
CRES CAPACITANCE (nF)
Pin Description
PIN
1, 2
3
4
5
6
7, 8
—
NAME
OUT
CRES
RESET
GND
EN
IN
EP
FUNCTION
Regulator Output. Bypass OUT to GND with a 4.7μF ceramic capacitor. OUT becomes high impedance when
EN is low.
POR Timer. Bypass CRES to GND with a ceramic capacitor to define POR timing (see the POR Timer section).
Open-Drain, Active-Low Reset Output. RESET is high impedance when output is in regulation or if the IC is in
shutdown. RESET is pulled low when V OUT drops below 82.5% (typ) of its nominal voltage.
Ground. Connect GND to a large circuit board ground plane and directly to the exposed paddle.
Active-High Enable Input. Drive EN low to place the regulator in standby mode. Drive EN high or connect to IN
for normal operation.
Regulator Input. Bypass IN to GND with at least a 1μF ceramic capacitor.
Exposed Paddle. Connect EP to a large pad or circuit board ground plane to maximize power dissipation. EP
serves as a heatsink.
6
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