參數(shù)資料
型號(hào): MAX8667ETEAA+
廠商: Maxim Integrated
文件頁(yè)數(shù): 2/18頁(yè)
文件大?。?/td> 388K
描述: IC REG QD BCK/LINEAR SYNC 16TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 100
拓?fù)洌?/td> 降壓(降壓)同步(2),線性(LDO)(2)
功能: 任何功能
輸出數(shù): 4
頻率 - 開關(guān): 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(qū)動(dòng)器: 無(wú)
帶監(jiān)控器: 無(wú)
帶序列發(fā)生器: 無(wú)
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(yīng)商設(shè)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(chǔ)
Shutdown Supply Current,
I
IN12
 + I
IN34
V
IN12
 = V
IN34
= 4.2V V
EN_
 = 0V
T
A
 = +85癈
0.05
礎(chǔ)
No Load Supply Current,
I
IN12
 + I
IN34
MAX8667ETEJS+, all regulators enabled
100   150    礎(chǔ)
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
Hysteresis
15
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(chǔ)
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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MAX8667ETEAA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)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(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX8667ETEAA+T 功能描述:直流/直流開關(guān)轉(zhuǎn)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(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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MAX8667ETEAB+T 功能描述:直流/直流開關(guān)轉(zhuǎn)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(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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