Electrical characteristics (continued) – Rainbow Electronics MAX15010 User Manual
Page 4
MAX15008/MAX15010
Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector
4
_______________________________________________________________________________________
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)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUT_LDO Startup Delay
Time
t
STARTUP_DELAY
I
OUT_LDO
= 0mA, from EN_LDO rising
to 10% of V
OUT_LDO
(nominal),
FB_LDO = SGND
30
µs
OUT_LDO Overvoltage
Protection Threshold
V
OV_TH
1mA sink from OUT_LDO
105
110
%V
OUT_LDO
OUT_LDO Overvoltage
Protection Sink Current
I
OV
V
OUT_LDO
= V
OUT
(nominal) x 1.15
8
19
mA
ENABLE/
HOLD INPUTS
V
IH
2
EN_LDO, EN_PROT,
EN_TRK Input Threshold
Voltage
V
IL
0.7
V
EN_LDO, EN_PROT,
EN_TRK Input Pulldown
Current
I
EN_PD
EN_ is internally pulled low to SGND
1
µA
V
IH
1.4
HOLD Input Threshold
Voltage
V
IL
0.4
V
HOLD Input Pullup
I
HOLD_PU
HOLD is internally pulled high to
OUT_LDO
0.6
µA
RESET
RESET goes HIGH when rising
V
OUT_LDO
crosses this threshold,
FB_LDO = SGND
90.0
92.5
95.0
%V
OUT_LDO
RESET Voltage Threshold
High
V
RESET_H
RESET goes HIGH when rising
V
OUT_LDO
crosses this threshold
90.0
92.5
95.0
%V
FB_LDO
RESET goes LOW when falling
V
OUT_LDO
crosses this threshold,
FB_LDO = SGND
88
90
92
%V
OUT_LDO
RESET Voltage Threshold
Low
V
R ES ET _L
RESET goes LOW when falling
V
OUT_LDO
crosses this threshold
88
90
92
%V
FB_LDO
V
OUT_LDO
to
RESET Delay
t
RESET_FALL
V
OUT_LDO
falling, 0.1V/µs
19
µs
CT Ramp Current
I
CT
V
CT
= 0V
1.50
2.0
2.35
µA
CT Ramp Threshold
V
CT_TH
V
CT
rising
1.19
1.235
1.27
V
RESET Output-Voltage Low
V
OL
I
SINK
= 1mA, output asserted
0.1
V
RESET Open-Drain
Leakage Current
I
LEAK_
RESET
Output not asserted
150
nA
LOAD DUMP PROTECTOR (MAX15008 only)
FB_P ROT Thr eshol d V ol tag e
V
TH_PROT
FB_PROT rising
1.20
1.235
1.27
V
FB_PROT Threshold
Hysteresis
V
HYST
4
%V
TH_PROT
FB_PROT Input Current
I
FB_PROT
V
FB_PROT
= 1.4V
-100
+100
nA
Startup Response Time
t
START
EN_PROT rising, EN_LDO = IN, to
V
GATE
= 0.5V
20
µs