参数资料
型号: MC34702EKR2
厂商: Freescale Semiconductor
文件页数: 10/39页
文件大小: 0K
描述: IC POWER SUPPLY MCU 3A 32-SOIC
标准包装: 1
应用: 电源
电流 - 电源: 60mA
电源电压: 2.8 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-SOIC(0.295",7.50mm 宽)
供应商设备封装: 32-SOIC
包装: 剪切带 (CT)
配用: KIT33702DWBEVB-ND - KIT FEATURES THE MC34701
其它名称: MC34702EKR2CT
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C ? T A ? 85 ? C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3V using
the typical application circuit (see Figure 33 ), unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
LINEAR REGULATOR (LDO)
LDO Feedback Voltage (16)
VIN1 = VIN2 = 2.8V to 6.0V, ILDO = 10mA to 1000mA. Includes Load
V LFB
V
Regulation Error
0.784
0.800
0.816
LDO Voltage Margining Step Size
LDO Voltage Margining Highest Positive Value
LDO Voltage Margining Lowest Negative Value
V MLDO
V MP
V MN
5.9
-7.9
1.0
7.0
7.0
7.9
-5.9
%
%
%
LDO Line Regulation (16)
REG LNVLDO
%
VIN1 = VIN2 = 2.8V to 6.0V, ILDO = 1000mA
LDO Load Regulation (16)
ILDO = 10mA to 1000mA
REG LDVLDO
-1.0
-1.0
1.0
1.0
%
LDO Ripple Rejection, Dropout Voltage
V LDO_RR
dB
VDO = 1.0V, VRIPPLE = +1.0V p-p
40
Sinusoidal, f = 300kHz, ILDO = 500mA (15)
LDO Maximum Dropout Voltage (VIN - VLDO), using IRL2703 (16)
V DO
mV
VLDO = 2.5V, ILDO = 1000mA
50
75
LDO Current Sense Comparator Threshold Voltage (VCS - VLDO)
LDO Pin Input Current, VLDO = 5.25V
LDO Feedback Input Current (LFB Pin), VLFB = 0.8V
LDO Drive Output Current (LDRV Pin), VLDRV = 0V
V CSTH
I LDO
I LFB
I LDRV
35
1.0
-1.0
-5.0
50
1.9
-3.3
65
4.0
1.0
-2.0
mV
mA
? A
mA
CS Pin Input Leakage Current
I CSLK
? A
VCS = 5.25V
LDO Pull-down MOSFET Q4 Current Limit
T A = 25°C, VBST = 8.0V (LDO Pin)
LDO Pull-down MOSFET Q4 RDS(ON)
ID = 1.0A, V BST = 8.0V
I M4_LIM
R DS(ON)
50
0.75
200
2.0
1.9
A
?
LDO Recommended Output Capacitance
LDO Recommended Output Capacitor ESR
Thermal Shutdown (LDO Pull-down MOSFET Q4) (15)
Thermal Shutdown Hysteresis (15)
C LDO
E SRCLDO
T SD
T SDHYS
150
10
5.0
170
10
190
? F
m ?
°C
°C
Notes
15. Design information only. This parameter is not production tested.
16. IDO refers to Load Current on External LDOFET - IRL2703 is the Intersil MOSFET IRL2703
34702
Analog Integrated Circuit Device Data ?
10
Freescale Semiconductor
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