参数资料
| 型号： | MAX1515ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/24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
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 = -40°C to +85°C , unless
otherwise noted. Note 5)
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
V CC
V
V
V FB -
V REFIN
V IN = +3.3V, I LOAD = 0, MODE = V CC
-5
+5
mV
FBSEL0 = V CC ,
FBSEL1 = V CC ,
REFIN = REF
FBSEL0 = V CC ,
2.438
2.562
Feedback Voltage Accuracy
V FB
V IN = +3.3V, I LOAD = 0,
MODE = low
FBSEL1 = GND,
REFIN = REF
FBSEL0 = GND,
1.755
1.845
V
FBSEL1 = V CC ,
REFIN = REF
FBSEL0 = GND,
FBSEL1 = GND,
REFIN = 0.5V
1.463
0.487
1.538
0.513
Sink-Mode Detect Threshold
Source-Mode Detect Threshold
nFET On-Resistance
Switching Frequency
Current-Limit Threshold
Pulse-Skipping Current Threshold
V FB -
V REFIN
V FB -
V REFIN
R NMOS
f SW
I LIMIT_P
I SKIP_P
MODE = V CC , V REFIN = +0.5V to +1.5V
MODE = V CC , V REFIN = +0.5V to +1.5V
V CC = V DD = V IN = +3.3V, I LOAD = 0.5A
(Note 2)
V IN = +3.3V, MODE = GND or V CC ,
positive or sourcing mode
V IN = +3.3V, MODE = GND or V CC ,
positive or sourcing mode
+15
-35
3.35
0.4
+35
-15
0.10
1
5.05
1.2
mV
mV
Ω
MHz
A
A
Off-Time
t OFF
V FB > 0.3 x V TARGET
(Note 4)
R TOFF = 33.2k Ω
R TOFF = 110k Ω
R TOFF = 499k Ω
0.250
0.8
3.8
0.425
1.2
5.2
μs
Maximum On-Time
t ON(MAX)
5
μs
SS Source Current
SS Sink Current
I SS(SRC)
I SS(SNK)
3
100
7
μA
μA
_______________________________________________________________________________________
5
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