mc33702 Freescale Semiconductor, Inc, mc33702 Datasheet - Page 8

• Manufacturer Part Number: mc33702
• Description: 3.0 A Switch-mode Power Supply With Linear Regulator
• Manufacturer: Freescale Semiconductor, Inc

33702
8
STATIC ELECTRICAL CHARACTERISTICS (continued)
Characteristics noted under conditions -40°C T
application circuit (see
LINEAR REGULATOR (LDO)
LDO Output Voltage Range
LDO Feedback Voltage, LFB Pin Connected to LDO Pin
LDO Voltage Margining Step Size
LDO Line Regulation
LDO Load Regulation
LDO Ripple Rejection, Dropout Voltage V
LDO Maximum Dropout Voltage (V
LDO Current Sense Comparator Threshold Voltage (V
LDO Pin Input Current
LDO Feedback Input Current (LFB Pin)
LDO Drive Output Current (LDRV Pin)
LDO Drive Current Limit (LDRV Pin)
CS Pin Input Leakage Current
LDO Error Amplifier Input Impedance (LFB Pin)
LDO Error Amplifier Output Impedance (LCMP Pin)
LDO Pull-Down MOSFET Q4 Current Limit
LDO Pull-Down MOSFET Q4 R
LDO Recommended Output Capacitance
LDO Recommended Output Capacitor ESR
Thermal Shutdown (LDO Pull-Down FET Q4)
Thermal Shutdown Hysteresis
V
V
Regulation Error
V
I
Sinusoidal, f = 300 kHz, I
V
V
T
I
LDO
D
IN1
IN1
IN1
LDO
CS
A
= 1.0 A, T
= 25°C, V
= 5.0 V
= V
= V
= V
= 10 mA to 1000 mA
= 2.5 V, I
IN2
IN2
IN2
= 2.8 V to 6.0 V, I
= 2.8 V to 6.0 V, I
= 2.8 V to 6.0 V, I
A
BST
= 25°C, V
LDO
= 8.0 V (LDO Pin)
= 1000 mA
Figure
BST
LDO
Characteristic
DS(ON)
= 8.0 V
20) unless otherwise noted.
= 500 mA
LDO
LDO
LDO
IN
= 10 mA to 1000 mA
= 10 mA to 1000 mA. Includes Load
= 1000 mA
- V
LDO
DO
Freescale Semiconductor, Inc.
)
= 1.0 V, V
For More Information On This Product,
J
CS
RIPPLE
125 C unless otherwise noted. Input voltages V
- V
Go to: www.freescale.com
LDO
= +1.0 V p-p
)
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
REG
REG
ESR
V
Symbol
R
I
T
V
V
I
LDO_RR
Q4_LIM
I
I
R
C
V
V
DRLIM
DS(ON)
I
SDHys
V
I
LDRV
CSLK
T
MLDO
CSTH
R
LDO
LFB
LDO
LDO
LNVLDO
LDVLDO
OUT
LDO
DO
SD
CLDO
IN
0.784
Min
-1.0
-1.0
-5.0
150
0.8
1.6
2.0
35
50
–
–
–
–
–
–
–
–
–
–
–
IN1
= V
TBD
TBD
TBD
Typ
-2.0
170
0.8
1.0
2.0
3.6
3.6
40
45
10
15
IN2
–
–
–
–
–
–
–
= 3.3 V using the typical
0.816
Max
TBD
300
190
5.0
1.0
1.0
2.4
5.0
5.0
1.0
55
–
–
–
–
–
–
–
–
–
Unit
m
mV
mA
mA
mA
dB
°C
°C
%
%
%
V
V
V
A
A
A
F