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| 型号： | MAX1702BETX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC PWR MNG TRPL OUT 36-TQFN |
| 标准包装： | 2,500 |
| 应用： | 处理器 |
| 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： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 带卷 (TR) |
Triple-Output Power-Management IC for
Microprocessor-Based Systems
ABSOLUTE MAXIMUM RATINGS
IN, FB2, OUT3, COMP1, COMP2, COMP3, PGM3,
ON2, LBO , OUTOK, RSO , MR , LBI, DBI,
OUT1 to GND .......................................................-0.3V to +6V
REF to GND ...................................................-0.3 to (V IN + 0.3V)
INP1, INP2, INP3 to IN...........................................-0.3V to +0.3V
PG1, PG2, PG3 to GND.........................................-0.3V to +0.3V
LX1, LX2, LX3 Continuous Current .......................-1.5A to +1.5A
INP1 to PG1..............................................................-0.3V to +6V
INP3 to PG3..............................................................-0.3V to +6V
Output Short-Circuit Duration ............................................Infinite
Continuous Power Dissipation (T A =+70 ° C)
36-Pin QFN (derate 22.7 mW/ ° C)..............................1818mW
Operating Temperature Range.............................40 ° C to +85 ° C
Junction Temperature ......................................................+150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10sec) .............................+300 ° C
INP2 to PG2..............................................................-0.3V to +6V
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.
ELECTRICAL CHARACTERISTICS
(V INP1 = V INP2 = V INP3 = V IN = 3.6V, V LBI = 1.1V, V DBI = 1.35V, MR = ON2 = IN, PGM3 = GND, circuit of Figure 1, T A = -40 ° C to
+85 ° C unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
INP1, INP2, INP3,
IN Supply Voltage Range
Undervoltage
Lockout Threshold
CONDITIONS
INP1, INP2, INP3, IN must be connected together
externally
V IN rising
V IN falling
MIN
2.6
2.25
2.2
TYP
2.40
2.35
MAX
5.5
2.55
2.525
UNITS
V
V
ON2 = IN, no load
485
Quiescent Current
(I INP1 + I INP2 + I INP3 + I IN )
ON2 = GND, no load
V DBI < 1.2 V (shutdown)
LX1-3 = GND
335
5
20
μA
SYNCHRONOUS BUCK PWM REGULATOR 1 (REG1)
OUT1 Voltage Accuracy
OUT1 Input Resistance
3.6V ≤ V INP1 ≤ 5.5V, load = 0 to 900mA
3.234
200
3.3
400
3.366
V
k ?
Error-Amp Transconductance
Dropout Voltage
P-Channel On-Resistance
N-Channel On-Resistance
Current-Sense Transresistance
P-Channel
Current-Limit Threshold
P-Channel Pulse-Skipping
Current Threshold
N-Channel Zero-Crossing
Comparator
OUT1 Maximum
Output Current
Load = 800mA (Note 1)
I LX1 = 180mA
I LX1 = 180mA, V INP1 = 2.6V
I LX1 = 180mA
2.6V ≤ V INP1 ≤ 5.5V (Note 2)
55
0.40
1.15
0.115
25
0.9
95
250
0.25
0.3
0.2
0.47
1.275
0.140
55
135
425
0.4
0.5
0.35
0.54
1.45
0.160
75
μS
mV
?
?
V/A
A
A
mA
A
LX1 Leakage Current
LX1 Duty-Cycle Range
V INP1 = 5.5V, LX1= GND or INP1, V OUT1 = 3.6V
V INP2 = 4.2V
-20
0
0.1
+20
100
μA
%
2
_______________________________________________________________________________________
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| MAX17031ETG+ | 功能描述:电压模式 PWM 控制器 Dual PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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