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| 型号： | MAX8668ETEA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/18页 |
| 文件大小： | 388K |
| 描述： | IC REG QD BCK/LINEAR SYNC 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 拓扑： | 降压（降压）同步（2），线性（LDO）（2） |
| 功能： | 任何功能 |
| 输出数： | 4 |
| 频率 - 开关： | 1.5MHz |
| 电压/电流 - 输出 1： | 0.6 V ~ 3.3 V，600mA |
| 电压/电流 - 输出 2： | 0.6 V ~ 3.3 V，1.2A |
| 电压/电流 - 输出 3： | 2.8V，300mA |
| 带 LED 驱动器： | 无 |
| 带监控器： | 无 |
| 带序列发生器： | 无 |
| 电源电压： | 2.6 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 带卷 (TR) |
1.5MHz Dual Step-Down DC-DC Converters
with Dual LDOs and Individual Enables
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN34
= V
IN12
= 3.6V, T
A
= -40癈 to +85癈,unless otherwise noted. Typical values are at T
A
= +25癈.) (Note 1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN12, IN34, FB1, FB2, EN1, EN2, EN3, EN4, OUT1,
OUT2, REF to GND............................................-0.3V to +6.0V
OUT3,
OUT4 to GND.....-0.3V to the lesser of + 6V or (V
IN34
+ 0.3V)
PGND1, PGND2 to GND.......................................-0.3V to +0.3V
LX1, LX2 Current..........................................................1.5A RMS
LX1, LX2 to GND (Note 1).......................-0.3V to (V
IN12
+ 0.3V)
Continuous Power Dissipation (T
A
= +70癈)
16-Pin, 3mm x 3mm Thin QFN
(derate 20.8mW/癈 above +70癈).............................1667mW
Operating Temperature Range...........................-40癈 to +85癈
Junction Temperature.....................................................+150癈
Storage Temperature Range.............................-65癈 to +150癈
Lead Temperature (soldering, 10s).................................+300癈
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
IN34 Supply Range
V
IN12
e V
IN34
1.7
5.5 V
IN12 Supply Range
MAX8668, V
IN12
e V
IN34
2.6
5.5 V
IN12 Suppy Range
MAX8667, V
IN12
e V
IN34
2.8
5.5 V
T
A
= +25癈
1 礎
Shutdown Supply Current,
I
IN12
+ I
IN34
V
IN12
= V
IN34
= 4.2V V
EN_
= 0V
T
A
= +85癈
0.05
礎
No Load Supply Current,
I
IN12
+ I
IN34
MAX8667ETEJS+, all regulators enabled
100 150 礎
UNDERVOLTAGE LOCKOUT
V
IN12
rising
2.4 2.5 2.6 V
IN12 UVLO
V
IN12
hysteresis
0.1
V
V
IN34
rising
1.5 1.6 1.7 V
IN34 UVLO
V
IN34
hysteresis
0.1
V
THERMAL SHUTDOWN
Threshold
T
A
rising
+160
癈
Hysteresis
15
癈
REFERENCE
Reference Bypass Output
Voltage
0.591 0.600 0.609 V
REF Supply Rejection
2.6V d (V
IN12
= V
IN34
) d 5.5V
0.15
mV/V
LOGIC AND CONTROL INPUTS
EN_ Input Low Level
1.7V d V
IN34
d 5.5V
2.6V d V
IN12
d 5.5V
0.4 V
EN_ Input High Level
1.7V d V
IN34
d 5.5V
2.6V d V
IN12
d 5.5V
1.44
V
T
A
= +25癈
-1
+1
EN_ Input Leakage Current
V
IN12
= V
IN34
= 5.5V
T
A
= +85癈
0.001
礎
STEP-DOWN CONVERTERS
Minimum Adjustable Output
Voltage
MAX8668
0.6
V
Note 1: LX_ has internal clamp diodes to GND and IN12. Applications that forward bias these diodes should take care not to exceed
the ICs package-dissipation limits.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8668ETEP+ | 功能描述:直流/直流开关转换器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX8668ETEP+ | 制造商:Maxim Integrated Products 功能描述:DC-DC STEP DOWN CONVERTER DUAL SMD |
| MAX8668ETEP+T | 功能描述:直流/直流开关转换器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX8668ETEQ+ | 功能描述:直流/直流开关转换器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX8668ETEQ+T | 功能描述:直流/直流开关转换器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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