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參數資料
| 型號： | MAX8884YEREKE+T |
| 廠商： | Maxim Integrated |
| 文件頁數： | 2/17頁 |
| 文件大小： | 579K |
| 描述： | IC REG TRPL BCK/LINEAR 16UCSP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 拓撲： | 降壓（降壓）同步（1），線性（LDO）（2） |
| 功能： | 任何功能 |
| 輸出數： | 3 |
| 頻率 - 開關： | 2MHz |
| 電壓/電流 - 輸出 1： | 1.2 V/1.8 V，700mA |
| 電壓/電流 - 輸出 2： | 1.2 V/1.8 V，300mA |
| 電壓/電流 - 輸出 3： | 1.2 V/1.8 V，300mA |
| 帶 LED 驅動器： | 無 |
| 帶監控器： | 無 |
| 帶序列發生器： | 無 |
| 電源電壓： | 2.7 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-WFBGA，CSPBGA |
| 供應商設備封裝： | 16-UCSP（4x4） |
| 包裝： | 帶卷 (TR) |
700mA DC-DC Step-Down Converters
with Dual 300mA LDO in 2mm x 2mm CSP
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN1A
= V
IN1B
= V
IN2
= V
LDO1_EN
= V
LDO2_EN
= V
BUCK_EN
= 3.6V. T
A
= -40癈 to +85癈, typical values are at T
A
= +25癈, unless
otherwise noted.) (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.
IN1A, IN1B, IN2, REFBP to AGND........................-0.3V to +6.0V
FB to PGND...........................................................-0.3V to +6.0V
SEL, BUCK_EN to AGND...............-0.3V to (V
IN1A
/V
IN1B
+ 0.3V)
LDO1, LDO2, LDO1_EN, LDO2_EN
to AGND.................................................-0.3V to (V
IN2
+ 0.3V)
IN2 to IN1A, IN1B..................................................-0.3V to +0.3V
AGND to PGND.....................................................-0.3V to +0.3V
IN1A, IN1B, LX Current.....................................................1A
RMS
Continuous Power Dissipation (T
A
= +70癈)
16-Bump CSP (derate 12.5mW/癈 above +70癈)..............1W
Operating Temperature.......................................-40癈 to +85癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-65癈 to +150癈
Bump Temperature*.........................................................+260癈
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
INPUT SUPPLY
Input Voltage
V
IN1A
, V
IN1B
, V
IN2
2.7 5.5 V
Input Undervoltage Threshold V
IN1A
, V
IN1B
, V
IN2
rising, 180mV typical hysteresis
2.52 2.63 2.70 V
T
A
= +25癈
0.1 4
Shutdown Supply Current
V
BUCK_EN
= V
LDO1_EN
=
V
LDO2_EN
= 0
T
A
= +85癈
0.1
礎
V
BUCK_EN
= 0, I
LDO1
= I
LDO2
= 0A
140 230 礎
No-Load Supply Current
V
LDO1_EN
= V
LDO2_EN
= 0, I
BUCK
= 0A, no switching
50 80 礎
THERMAL PROTECTION
Thermal Shutdown
T
A
rising, 20癈 typical hysteresis
+160 癈
LOGIC CONTROL
Logic Input-High Voltage
(BUCK_EN, SEL, LDO1_EN,
LDO2_EN)
2.7V V
IN1A
= V
IN1B
= V
IN2
5.5V
1.3
V
Logic Input-Low Voltage
(BUCK_EN, SEL, LDO1_EN,
LDO2_EN)
2.7V V
IN1A
= V
IN1B
= V
IN2
5.5V
0.4 V
T
A
= +25癈
0.01 1
Logic Input Current (BUCK_EN,
SEL, LDO1_EN, LDO2_EN)
V
IL
= 0 or V
IH
= V
IN1A
= 5.5V
T
A
= +85癈
0.1
礎
FB
SEL = AGND, I
BUCK
= 0A
1.18 1.22 1.24 V
Buck Converter Output Voltage
V
SEL
= V
IN1A
, I
BUCK
= 0A
1.78 1.80 1.85 V
T
A
= +25癈
0.01 1
FB Leakage Current
V
IN1A
= V
IN1B
= V
IN2
= 5.5V,
V
FB
= 0
T
A
= +85癈
1
礎
LX
p-channel MOSFET switch, I
LX
= -40mA
0.18 0.30
On-Resistance
n-channel MOSFET rectifier, I
LX
= 40mA
0.15 0.25
*These ICs are constructed using a unique set of packaging techniques imposing a limit on the thermal profile used during board level
solder attach and rework. This limit permits only the use of the solder profiles recommended in the industry-standard specification,
JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection reflow. Preheating is required. Hand or wave soldering is not allowed.
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| MAX8884ZEREKE+T | 功能描述:直流/直流開關轉換器 700mA Step-Down DC/DC Converters 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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| MAX8885EUK25+T | 功能描述:低壓差穩壓器 - LDO 150mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX8885EUK25-T | 功能描述:低壓差穩壓器 - LDO 150mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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