Manual

MAX15008/MAX15010
Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector
_______________________________________________________________________________________ 3
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
IN Undervoltage Lockout V
UVLO
V
IN
falling, GATE disabled 4.10 4.27 4.45 V
IN Undervoltage Lockout
Hysteresis
V
UVLO_HYST
260 mV
Internal Voltage Reference REF I
REF
= 0µA 1.21 1.235 1.26 V
Internal Voltage Reference
Maximum Current
I
REF
ΔV
REF
= ±200mV -6 +6 µA
Thermal-Shutdown
Temperature
T
SHDN
+160 °C
Thermal Hysteresis T
HYST
20 °C
LDO
I
LOAD
= 1mA, FB_LDO = SGND 4.92 5 5.09
Output Voltage V
OUT_LDO I
LOAD
= 300mA, V
IN
= 8V,
FB_LDO = SGND
4.80 5 5.11
V
FB_LDO Set-Point Voltage V
FB_LDO
With respect to SGND, I
LOAD
= 1mA,
V
OU T _L D O
= 5V ( ad j ustab l e outp ut op ti on)
1.21 1.235 1.26 V
FB_LDO rising 0.125
Dual Mode™ FB_LDO
Threshold
V
FB_LDO_TH
FB_LDO falling 0.064
V
FB_LDO Input Current I
FB_LDO
V
FB_LDO
= 1V -100 +100 nA
LDO Output Voltage Range V
LDO_ADJ
Adjustable output option (Note 2) 1.8 11.0 V
I
LOAD
= 300mA 775 1500
LDO Dropout Voltage
(Note 3)
V
DO
I
LOAD
= 200mA 520 1000
mV
LDO Output Current I
OUT_LDO
(Note 4) 300 mA
LDO Output Current Limit I
LIM_LDO
OUT_LDO = GND, V
IN
= 6V 330 500 700 mA
6V ≤ V
IN
≤ 40V, I
LOAD
= 1mA,
V
OUT_LDO
= 5V
0.03 0.2
6V ≤ V
IN
≤ 40V, I
LOAD
= 1mA,
V
OUT_LDO
= 3.3V
0.03 0.1
6V ≤ V
IN
≤ 40V, I
LOAD
= 20mA,
FB_LDO = SGND, V
OUT_LDO
= 5V
0.27 1
OUT_LDO Line Regulation
ΔV
OUT
/
ΔV
IN
6V ≤ V
IN
≤ 40V, I
LOAD
= 20mA,
V
OUT_LDO
= 3.3V
0.27 0.5
mV/V
1mA to 300mA, V
IN
= 8V,
FB_LDO = SGND, V
OUT_LDO
= 5V
0.054 0.15
OUT_LDO Load Regulation
ΔV
OUT
/
ΔI
OUT
1mA to 300mA, V
IN
= 6.3V,
V
OUT_LDO
= 3.3V
0.038 0.1
mV/mA
OUT_LDO Power-Supply
Rejection Ratio
PSRR
I
LOAD
= 10mA, f = 100Hz, 500mV
P-P
,
C
OUT_LDO
= 22µF, V
OUT_LDO
= 5V
60 dB
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
TRACK
= +14V, V
SGND
= V
PGND
= 0V, C
GATE
= 6000pF, C
IN
= 10µF (ESR ≤ 1.5Ω), C
OUT_LDO
= 22µF (ceramic), C
TRACK
=
3.3µF (ceramic) (ESR ≤ 1.5Ω), C
OUT_TRK
= 10µF (ESR ≤ 1.5Ω), C
REF
= 1000pF, V
OUT_LDO
= 5V, T
A
= T
J
= -40°C to +125°C, unless
otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
Dual Mode is a trademark of Maxim Integrated Products, Inc.