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參數資料
| 型號： | MAX8667ETEAA+ |
| 廠商： | Maxim Integrated |
| 文件頁數： | 2/18頁 |
| 文件大小： | 388K |
| 描述： | IC REG QD BCK/LINEAR SYNC 16TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 100 |
| 拓撲： | 降壓（降壓）同步（2），線性（LDO）（2） |
| 功能： | 任何功能 |
| 輸出數： | 4 |
| 頻率 - 開關： | 1.5MHz |
| 電壓/電流 - 輸出 1： | 1.2V，600mA |
| 電壓/電流 - 輸出 2： | 1.8V，1.2A |
| 電壓/電流 - 輸出 3： | 2.8V，300mA |
| 帶 LED 驅動器： | 無 |
| 帶監控器： | 無 |
| 帶序列發生器： | 無 |
| 電源電壓： | 2.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 16-TQFN-EP（3x3） |
| 包裝： | 管件 |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX8667ETEAA+ | 功能描述:直流/直流開關轉換器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX8667ETEAA+T | 功能描述:直流/直流開關轉換器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX8667ETEAB+ | 功能描述:直流/直流開關轉換器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX8667ETEAB+T | 功能描述:直流/直流開關轉換器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX8667ETEAC+ | 功能描述:直流/直流開關轉換器 1.5MHz Dl Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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