MC34701 查看數據表（PDF） - Freescale Semiconductor
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MC34701 Datasheet PDF : 39 Pages
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ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C ≤ TA ≤ 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
Regulation Error
V LFB
LDO Voltage Margining Step Size
LDO Voltage Margining Highest Positive Value
LDO Voltage Margining Lowest Negative Value
LDO Line Regulation(16)
VIN1 = VIN2 = 2.8V to 6.0V, ILDO = 1000mA
LDO Load Regulation(16)
ILDO = 10mA to 1000mA
LDO Ripple Rejection, Dropout Voltage(16)
VDO = 1.0V, VRIPPLE = +1.0V p-p
Sinusoidal, f = 300kHz, ILDO = 500mA(15)
LDO Maximum Dropout Voltage (VIN - VLDO), using IRL2703(16)
VLDO = 2.5V, ILDO = 1000mA
V MLDO
V MP
V MN
REGLNVLDO
REGLDVLDO
VLDO_RR
VDO
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
CS Pin Input Leakage Current
VCS = 5.25V
VCSTH
I LDO
I LFB
I LDRV
I CSLK
LDO Pull-down MOSFET Q4 Current Limit
TA = 25°C, VBST = 8.0V (LDO Pin)
I LIMQ4
LDO Pull-down MOSFET Q4 RDS(ON)
ID = 1.0A, VBST = 8.0V
RDS(ON)Q4
LDO Recommended Output Capacitance
CLDO
LDO Recommended Output Capacitor ESR
Thermal Shutdown (LDO Pull-down MOSFET Q4)(15)
Thermal Shutdown Hysteresis(15)
RLDO
TSD
TSDHYS
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.
0.784
–
5.9
-7.9
-1.0
-1.0
–
–
35
1.0
-1.0
-5.0
50
0.75
–
–
–
150
–
0.800
1.0
–
–
–
–
40
50
50
1.9
–
-3.3
–
–
–
10
5.0
170
10
V
0.816
–
%
7.9
%
-5.9
%
%
1.0
%
1.0
dB
–
mV
75
65
mV
4.0
mA
1.0
µA
-2.0
mA
µA
200
A
2.0
Ω
1.9
–
µF
–
mΩ
190
°C
–
°C
34701
10
Analog Integrated Circuit Device Data
Freescale Semiconductor
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