MC34701EKR2(2005) データシートの表示（PDF） - Freescale Semiconductor
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MC34701EKR2 Datasheet PDF : 38 Pages
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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 = 3.3 V using
the typical application circuit (see Figure 33) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
Linear Regulator (LDO)
LDO Feedback Voltage (15)
VIN1 = VIN2 = 2.8 V to 6.0 V, ILDO = 10 mA to 1000 mA. Includes Load
Regulation Error
V LFB
V
0.784
0.800
0.816
LDO Voltage Margining Step Size
LDO Voltage Margining Highest Positive Value
LDO Voltage Margining Lowest Negative Value
LDO Line Regulation (15)
VIN1 = VIN2 = 2.8 V to 6.0 V, ILDO = 1000 mA
LDO Load Regulation (15)
ILDO = 10 mA to 1000 mA
LDO Ripple Rejection, Dropout Voltage (15)
VDO = 1.0 V, VRIPPLE = +1.0 V p-p
Sinusoidal, f = 300 kHz, ILDO = 500 mA (14)
LDO Maximum Dropout Voltage (VIN - VLDO), using IRL2703 (15)
VLDO = 2.5 V, ILDO = 1000 mA
V MLDO
–
1.0
–
%
V MP
5.9
–
7.9
%
V MN
-7.9
–
-5.9
%
REGLNVLDO
-1.0
–
%
1.0
REGLDVLDO
-1.0
–
%
1.0
VLDO_RR
dB
–
40
–
VDO
mV
–
50
75
LDO Current Sense Comparator Threshold Voltage (VCS - VLDO)
LDO Terminal Input Current, VLDO = 5.25 V
LDO Feedback Input Current (LFB Terminal), VLFB = 0.8 V
LDO Drive Output Current (LDRV Terminal), VLDRV = 0 V
CS Terminal Input Leakage Current
VCS = 5.25 V
VCSTH
I LDO
I LFB
I LDRV
I CSLK
35
50
65
mV
1.0
1.9
4.0
mA
-1.0
–
1.0
µA
-5.0
-3.3
-2.0
mA
µA
50
–
200
LDO Pulldown MOSFET Q4 Current Limit
TA = 25°C, VBST = 8.0 V (LDO Terminal)
I LIMQ4
0.75
–
A
2.0
LDO Pulldown MOSFET Q4 RDS(ON)
ID = 1.0 A, VBST = 8.0 V
RDS(ON)Q4
–
Ω
–
1.9
LDO Recommended Output Capacitance
CLDO
–
10
–
µF
LDO Recommended Output Capacitor ESR
Thermal Shutdown (LDO Pulldown MOSFET Q4) (14)
Thermal Shutdown Hysteresis (14)
RLDO
TSD
TSDHYS
–
5.0
–
mΩ
150
170
190
°C
–
10
–
°C
Notes
14. Design information only. This parameter is not production tested.
15. IDO refers to Load Current on External LDOFET - IRL2703 is the Intersil MOSFET.
Analog Integrated Circuit Device Data
Freescale Semiconductor
34701
9
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