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MC34702EK View Datasheet(PDF) - Freescale Semiconductor

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MC34702EK Datasheet PDF : 38 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 = 3.3 V using
the typical application circuit (see Figure 33) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
LINEAR REGULATOR (LDO)
LDO Feedback Voltage (16)
VIN1 = VIN2 = 2.8 V to 6.0 V, ILDO = 10 mA to 1000 mA. Includes Load
Regulation Error
VLFB
0.784
LDO Voltage Margining Step Size
LDO Voltage Margining Highest Positive Value
LDO Voltage Margining Lowest Negative Value
LDO Line Regulation (16)
VIN1 = VIN2 = 2.8 V to 6.0 V, ILDO = 1000 mA
LDO Load Regulation (16)
ILDO = 10 mA to 1000 mA
LDO Ripple Rejection, Dropout Voltage (16)
VDO = 1.0 V, VRIPPLE = +1.0 V p-p
Sinusoidal, f = 300 kHz, ILDO = 500 mA (15)
LDO Maximum Dropout Voltage (VIN - VLDO), using IRL2703 (16)
VLDO = 2.5 V, ILDO = 1000 mA
VMLDO
VMP
5.9
VMN
-7.9
REGLNVLDO
-1.0
REGLDVLDO
-1.0
VLDO_RR
VDO
LDO Current Sense Comparator Threshold Voltage (VCS - VLDO)
LDO Pin Input Current, VLDO = 5.25 V
LDO Feedback Input Current (LFB Pin), VLFB = 0.8 V
LDO Drive Output Current (LDRV Pin), VLDRV = 0 V
CS Pin Input Leakage Current
VCS = 5.25 V
VCSTH
35
ILDO
1.0
ILFB
-1.0
ILDRV
-5.0
ICSLK
50
LDO Pulldown MOSFET Q4 Current Limit
TA = 25°C, VBST = 8.0 V (LDO Pin)
IM4_LIM
0.75
LDO Pulldown MOSFET Q4 RDS(ON)
ID = 1.0 A, VBST = 8.0 V
RDS(ON)
LDO Recommended Output Capacitance
CLDO
LDO Recommended Output Capacitor ESR
Thermal Shutdown (LDO Pull-down MOSFET Q4) (15)
Thermal Shutdown Hysteresis (15)
ESRCLDO
TSD
150
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 IRL2703
0.800
1.0
7.0
7.0
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
1.9
µF
m
190
°C
°C
34702
10
Analog Integrated Circuit Device Data
Freescale Semiconductor

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