参数资料
| 型号： | MAX1515ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC REG DDR LV 24-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，DDR |
| 输入电压： | 1.3 V ~ 3.6 V |
| 输出数： | 2 |
| 输出电压： | 0.5 V ~ 2.7 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
Low-Voltage, Internal Switch,
Step-Down/DDR Regulator
ABSOLUTE MAXIMUM RATINGS
V CC , V DD , LX, SHDN to GND ...................................-0.3V to +4V
MODE, IC to GND ....................................................-0.3V to +4V
COMP, FB, REF, REFIN, REFOUT, PGOOD
to GND.........................................................-0.3V to (V CC + 0.3V)
FBSEL0, FBSEL1, TOFF, SKIP , SS to GND....-0.3V to (V CC + 0.3V)
V DD to V CC ...........................................................-0.3V to + 0.3V
IN to V DD ....................................................-0.3V to (V DD + 0.3V)
PGND to GND ...................................................... -0.3V to +0.3V
LX to BST................................................................. -4V to +0.3V
BST to GND .......................................................... -0.3V to +8.0V
LX Current (Note 1).............................................................±4.7A
REF Short Circuit to GND ...........................................Continuous
REFOUT Short Circuit to GND....................................Continuous
Continuous Power Dissipation (T A = +70°C)
24-Pin Thin QFN (derate 20.8mW/°C above +70°C;
part mounted on 1in 2 of 1oz copper)........................1667mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Note 1: LX has clamp diodes to PGND and IN. If continuous current is applied through these diodes, thermal limits must be observed.
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
(Circuit of Figure 1, V IN = +3.3V, V CC = V DD = SHDN = MODE = +3.3V, V REFIN = V REF , SKIP = GND, T A = 0°C to +85°C , unless oth-
erwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWM CONTROLLER
Input Voltage Range
Output Adjust Range
V IN
V CC , V DD
V OUT ≤ V IN
1.3
3.0
0.5
3.6
3.6
2.7
V
V
V FB -
V REFIN
V IN = +3.3V, I LOAD = 0,
MODE = V CC
T A = +25°C
to +85°C
T A = 0°C to
+85°C
-3
-4
0
0
+3
+4
mV
T A = +25°C
FBSEL0 = V CC , to +85°C
2.463
2.5
2.537
FBSEL1 = V CC ,
REFIN = REF
T A = 0°C to
+85°C
2.450
2.5
2.550
Feedback Voltage Accuracy
T A = +25°C
FBSEL0 = V CC , to +85°C
FBSEL1 = GND,
1.782
1.800
1.827
V IN = +3.3V,
REFIN = REF
T A = 0°C to
+85°C
1.773
1.800
1.836
V FB
I LOAD = 0,
MODE = low
FBSEL0=GND
T A = +25°C
to +85°C
1.477
1.500
1.523
V
FBSEL1=V CC
REFIN=REF
FBSEL0=GND
T A = 0°C to
+85°C
T A = +25°C
to +85°C
1.470
0.492
1.500
0.500
1.530
0.508
FBSEL1=GND
REFIN=0.5V
T A = 0°C to
+85°C
0.490
0.500
0.510
Feedback Load-Regulation Error
V IN = +1.3V to +3.6V, I LOAD = 0 to 3A,
SKIP = V CC
0.1
%
2
_______________________________________________________________________________________
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