参数资料
| 型号： | MC34712EPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 8/24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 ~ 1.35 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
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
M2 R DS(ON)
(V IN = 3.3 V, M2 is on)
SW Leakage Current (Standby and Shutdown modes)
PVIN Pin Leakage Current
(Standby and Shutdown Modes)
INV Pin Leakage Current
Symbol
R DS(ON)M2
I SW
I PVIN
I INV
Min
1.5
-10
-10
-1.0
Typ
-
-
-
-
Max
4.0
10
10
1.0
Unit
?
μA
μA
μA
Error Amplifier DC Gain
A EA
-
150
-
dB
Error Amplifier Unit Gain
Bandwidth (16)
UGBW EA
-
3.0
-
MHz
Error Amplifier Slew Rate
SR EA
-
7.0
-
V/μs
Error Amplifier Input Offset
OFFSET EA
-3.0
0.0
3.0
mV
Thermal Shutdown
Threshold (16)
T SDFET
-
170
-
°C
Thermal Shutdown Hysteresis
T SDHYFET
-
25
-
°C
OSCILLATOR (FREQ)
Oscillator Frequency Adjusting Reference Voltage Range
V FREQ
0.0
-
V DDI
V
TRACKING (VREFIN, VREFOUT, VOUT)
VREFIN External Reference Voltage Range (16)
VREFOUT Buffered Reference Voltage Range
V REFIN
V REFOUT
0.0
0.0
-
-
2.7
1.35
V
V
VREFOUT Buffered Reference Voltage
Accuracy (17)
-
-1.0
-
1.0
%
VREFOUT Buffered Reference Voltage Current Capability
VREFOUT Buffered Reference Voltage Over-current Limit
I REFOUT
I REFOUTLIM
0.0
-
-
11
8.0
-
mA
mA
VREFOUT Total Discharge
Resistance (16)
R TDR(M6)
-
50
-
?
VOUT Total Discharge Resistance
VOUT Pin Leakage Current
(Standby Mode, V OUT = 3.6 V)
R TDR(M5)
I VOUTLKG
-
-1.0
50
-
-
1.0
?
μA
CONTROL AND SUPERVISORY (STBY, SD, PG)
STBY High Level Input Voltage
STBY Low Level Input Voltage
STBY Pin Internal Pull-up Resistor
SD High Level Input Voltage
SD Low Level Input Voltage
SD Pin Internal Pull-up Resistor
PG Low Level Output Voltage
(I PG = 3.0 mA)
PG Pin Leakage Current
(M1 is off, Pulled up to VIN)
V STBYHI
V STBYLO
R STBYUP
V SDHI
V SDLO
R SDUP
V PGLO
I PGLKG
2.0
-
1.0
2.0
-
1.0
-
-1.0
-
-
-
-
-
-
-
-
-
0.4
2.0
-
0.4
2.0
0.4
1.0
V
V
M ?
V
V
M ?
V
μA
Notes
16. Design information only, this parameter is not production tested.
17. The 1 % accuracy is only guaranteed for V REFOUT greater than or equal to 0.7 V at room temperature.
34712
Analog Integrated Circuit Device Data ?
8
Freescale Semiconductor
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