参数资料
| 型号： | MC34717EPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 8/28页 |
| 文件大小： | 0K |
| 描述： | IC CONVERTER DDR 26QFN |
| 标准包装： | 2,500 |
| 应用： | 转换器，DDR |
| 输入电压： | 3 V ~ 6 V |
| 输出数： | 2 |
| 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： | 26-VFQFN 裸露焊盘 |
| 供应商设备封装： | 26-QFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static 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
SW1 Leakage Current (Standby and Shutdown modes)
Symbol
I SW
Min
-10
Typ
-
Max
10
Unit
μA
PVIN1 Pin Leakage Current
(Shutdown Mode)
Error Amplifier DC Gain (14)
I PVIN1
A EA
-10
-
-
150
10
-
μA
dB
Error Amplifier Unit Gain Bandwidth
UGBW EA
-
3.0
-
MHz
Error Amplifier Slew
Error Amplifier Input
Rate (14)
Offset (14)
SR EA
OFFSET EA
-
-3.0
7.0
0
-
3.0
V/μs
mV
INV1 Pin Leakage Current
I INV1
-1.0
-
1.0
μA
Thermal Shutdown
Thermal Shutdown
Threshold (14)
Hysteresis (14)
T SDFET1
T SDHYFET1
-
-
170
25
-
-
°C
°C
CHANNEL 2 BUCK CONVERTER (PVIN2, SW2, PGND2, BOOT2, INV2, COMP2, ILIM2)
Channel 2 High Side MOSFET Drain Voltage Range
P VIN
2.5
-
6.0
V
Output Voltage Adjustment Range
V OUTHI2
0.7
-
3.6
V
Output Voltage Accuracy
-
-1.0
-
1.0
%
Line
Regulation (14)
(Normal Operation, V IN = 3.0 to 6.0 V, I OUT2 = 2.5 A)
REG LN2
-1.0
-
1.0
%
Load Regulation (14)
(Normal Operation, I OUT2 = 0.0 to 5.0 A)
Error Amplifier Reference Voltage (14)
Output Under-voltage Threshold
Output Over-voltage Threshold
Continuous Output Current
Over-current Limit
Soft Start Adjusting Reference Voltage Range
Short-circuit Current Limit
REG LD2
V REF2
V UVR2
V OVR2
I OUT2
I LIM2
V ILIM2
I SHORT2
-1.0
-
-8.0
1.5
-
-
1.25
-
-
0.7
-
-
-
6.5
-
8.5
1.0
-
-1.5
8.0
5.0
-
V DDI
-
%
V
%
%
A
A
V
A
High Side N-CH Power MOSFET (M6)
R DS(ON) (14)
R DS(ON)HS2
10
-
50
m Ω
(I OUT2 = 1.0 A, V BOOT2 - V SW2 = 3.3 V)
Low Side N-CH Power MOSFET (M7) R DS(ON) (14)
R DS(ON)LS2
10
-
50
m Ω
(I OUT2 = 1.0 A, V IN = 3.3 V)
M3 R DS(ON)
(V IN = 3.3 V, M3 is on)
SW2 Leakage Current (Standby and Shutdown modes)
R DS(ON)M3
I SW
2.0
-10
-
-
4.0
10
Ω
A
PVIN2 Pin Leakage Current
(Shutdown Mode)
I PVIN2
-10
-
10
μA
Notes
14. Design information only, this parameter is not production tested.
15. This is directly affected by the accuracy of the external feedback network, 1% feedback resistors are recommended.
16. ±1% is assured at room temperature
34717
Analog Integrated Circuit Device Data
8
Freescale Semiconductor
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