参数资料
| 型号： | MC34713EPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 9/23页 |
| 文件大小： | 0K |
| 描述： | IC CONVERTER DDR 24QFN |
| 标准包装： | 2,500 |
| 应用： | 转换器，DDR |
| 输入电压： | 3 V ~ 6 V |
| 输出数： | 1 |
| 输出电压： | 0.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 4. Dynamic Electrical Characteristics
Characteristics noted under conditions 3.0 V ≤ V IN ≤ 6.0 V, - 40 ° C ≤ T A ≤ 85 ° C, GND = 0 V, unless otherwise noted. Typical
values noted reflect the approximate parameter means at T A = 25°C under nominal conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
BUCK CONVERTER (PVIN, SW, PGND, BOOT)
Switching Node (SW) Rise Time (16)
(P VIN = 3.3 V, I OUT = 5.0 A)
t RISE
-
14
-
ns
Switching Node (SW) Fall Time (16)
(P VIN = 3.3 V, I OUT = 5.0 A)
Minimum OFF Time
Minimum ON Time
t FALL
t OFFMIN
t ONMIN
-
-
-
20
150
0 (17)
-
-
-
ns
ns
ns
Soft Start Duration (Normal Mode)
ILIM= 1.25 - 1.49 V
-
3.2
-
Over-current Limit Timer
Over-current Limit Retry Time-out Period
Output Under-voltage/Over-voltage Filter Delay Timer
1.50 - 1.81 V
1.82 - 2.13 V
2.14 - 2.50 V
t SS
t LIM
t TIMEOUT
t FILTER
-
-
-
-
80
5.0
1.6
0.8
0.4
10
-
-
-
-
-
-
120
25
ms
ms
ms
μs
OSCILLATOR (FREQ)
Oscillator Default Switching Frequency
Oscillator Frequency tolerance is ±10% (FREQ = GND)
Oscillator Switching Frequency Range
f SW
f SW
-
200
1.0
-
-
1000
MHz
KHz
CONTROL AND SUPERVISORY (SD, PG)
PG Reset Delay
Thermal Shutdown Retry Timeout Period (16)
t PGRESET
t TIMEOUT
8.0
80
-
-
12
120
ms
ms
Notes
16. Design information only, this parameter is not production tested.
17. The regulator has the ability to enter into pulse skip mode when the inductor current ripple reaches the threshold for the LS zero detect,
which has a typical value of 500 mA.
34713
Analog Integrated Circuit Device Data
Freescale Semiconductor
9
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