Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s)...................................+300°C
*As per JEDEC 51 Standard, Multilayer Board (PCB).
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics
(V
IN
= +14V, V
SGND
= V
PGND
= 0V, C
GATE
= 6000pF, C
IN
= 10μF (ESR < 1.5Ω), C
OUT_LDO
= 22μF (ceramic), C
OUT_SW
= 1μF,
V
OUT_LDO
= 5V, C
T
= open, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Supply Voltage Range
SYMBOL
V
IN
CONDITIONS
V
IN
≥ V
OUT
+ 1.5V
EN_LDO = IN, EN_SW =
EN_PROT = 0V, I
OUT_LDO
= 0µA, LDO on, switch off,
protector off, measured
from SGND
EN_LDO = EN_SW = IN,
EN_PROT = 0V, LDO
ON, I
OUT_LDO
= 100µA,
switch on, I
OUT_SW
= 0µA,
protector off, measured
from SGND
EN_LDO = EN_SW =
EN_PROT = IN, LDO
ON, I
OUT_LDO
= 100µA,
switch on, I
OUT_SW
= 0µA,
protector on, measured
from SGND
EN_LDO = EN_SW = IN,
LDO ON, I
OUT_LDO
=
100µA, switch on, I
OUT_
SW
= 0µA, measured from
SGND
MIN
5
TYP
MAX
40
UNITS
V
67
85
MAX15009
Supply Current
I
IN
290
360
µA
360
500
MAX15011
268
360
Shutdown Supply Current
IN Undervoltage Lockout
IN Undervoltage Lockout
Hysteresis
I
SHDN
V
UVLO
V
UVLO_HYST
T
A
= -40°C to
EN_LDO = EN_SW =
+85°C
EN_PROT = SGND,
T = -40°C to
measured from SGND
A
+125°C
V
IN
falling, GATE disabled
4.10
16
30
µA
40
4.27
260
4.45
V
mV
www.maximintegrated.com
Maxim Integrated
│
2
MAX15009/MAX15011
300mA LDO Regulators with
Switched Output and Overvoltage Protector
Electrical Characteristics (continued)
(V
IN
= +14V, V
SGND
= V
PGND
= 0V, C
GATE
= 6000pF, C
IN
= 10μF (ESR < 1.5Ω), C
OUT_LDO
= 22μF (ceramic), C
OUT_SW
= 1μF,
V
OUT_LDO
= 5V, C
T
= open, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Thermal-Shutdown
Temperature
Thermal Hysteresis
LDO
Output Voltage
V
OUT_LDO
I
LOAD
= 1mA, FB_LDO = SGND
I
LOAD
= 300mA, V
IN
= 8V,
FB_LDO = SGND
With respect to SGND, I
LOAD
= 1mA,
V
OUT_LDO
= 5V, adjustable output
option
FB_LDO rising
FB_LDO falling
V
FB_LDO
= 1V
Adjustable output option (Note 2)
I
LOAD
= 300mA (Note 3)
I
LOAD
= 200mA (Note 3)
(Note 4)
OUT_LDO = SGND, V
IN
= 6V
6V ≤ V
IN
≤ 40V, I
LOAD
= 1mA,
V
OUT
_LDO = 5V
OUT_LDO Line Regulation
DV
OUT
/
DV
IN
6V ≤ V
IN
≤ 40V, I
LOAD
= 1mA,
FB_LDO = SGND, V
OUT_LDO
= 3.3V
6V ≤ V
IN
≤ 40V, I
LOAD
= 20mA,
FB_LDO = SGND, V
OUT_LDO
= 5V
6V ≤ V
IN
≤ 40V, I
LOAD
= 20mA,
V
OUT_LDO
= 3.3V
OUT_LDO Load Regulation
DV
OUT
/
DI
OUT
PSRR
1mA to 300mA, V
IN
= 8V,
FB_LDO = SGND
1mA to 300mA, V
IN
= 6.3V,
V
OUT_LDO
= 3.3V
I
LOAD
= 10mA, f = 100Hz, 500mV
P-P
,
V
OUT_LDO
= 5V
300
330
500
0.03
0.03
0.27
0.27
0.054
0.038
60
30
700
0.2
0.1
mV/V
1
0.5
0.15
mV/mA
0.100
dB
µs
-100
1.8
800
520
4.92
4.88
1.21
5.00
5.00
1.235
0.125
0.064
+100
11.0
1500
1000
5.09
5.11
1.26
V
SYMBOL
T
SHDN
T
HYST
CONDITIONS
MIN
TYP
+160
20
MAX
UNITS
°C
°C
FB_LDO Set-Point Voltage
Dual ModeK FB_LDO
Threshold
FB_LDO Input Current
LDO Output Voltage
LDO Dropout Voltage
LDO Output Current
LDO Output Current Limit
V
FB_LDO
V
FB_LDO_TH
I
FB_LDO
V
LDO_ADJ
V
DO
I
OUT_LDO
I
LIM_LDO
V
V
nA
V
mV
mA
mA
OUT_LDO Power-Supply
Rejection Ratio
OUT_LDO Startup Delay
Time
I
OUT_LDO
= 0mA, from EN_LDO rising
t
STARTUP_DELAY
to 10% of V
OUT_LDO
(nominal),
FB_LDO = SGND
Dual Mode is a trademark of Maxim Integrated Products, Inc.
www.maximintegrated.com
Maxim Integrated
│
3
MAX15009/MAX15011
300mA LDO Regulators with
Switched Output and Overvoltage Protector
Electrical Characteristics (continued)
(V
IN
= +14V, V
SGND
= V
PGND
= 0V, C
GATE
= 6000pF, C
IN
= 10μF (ESR < 1.5Ω), C
OUT_LDO
= 22μF (ceramic), C
OUT_SW
= 1μF,
V
OUT_LDO
= 5V, C
T
= open, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
OUT_LDO Overvoltage
Protection Threshold
OUT_LDO Overvoltage
Protection Sink Current
ENABLE/HOLD INPUTS
EN_LDO to EN_PROT
Input Threshold Voltage
EN_LDO, EN_PROT, EN_
SW Input Pulldown Current
HOLD
Input Threshold
Voltage
HOLD
Input Pullup
RESET
V
IH
V
IL
I
EN_PD
V
IH
V
IL
I
HOLD_PU
HOLD
is internally pulled high to
OUT_LDO
RESET
goes HIGH when rising V
OUT_
LDO
crosses this threshold,
FB_LDO = SGND
RESET
goes HIGH when rising V
FB_
LDO
crosses this threshold
RESET
goes LOW when falling V
OUT_
LDO
crosses this threshold,
FB_LDO = SGND
RESET
goes LOW when falling V
FB_
LDO
crosses this threshold
t
RESET_FALL
I
CT
V
CT_TH
V
OL
I
LEAK_RESET
V
OUT_LDO
falling, 0.1V/µs
V
CT
= 0V
V
CT
rising
I
SINK
= 1mA, output asserted
Output not asserted
1.50
1.190
0.6
EN_ is internally pulled low to SGND
1.4
0.4
1
2
0.7
V
SYMBOL
V
OV_TH
I
OV
CONDITIONS
1mA sink from OUT_LDO
V
OUT_LDO
= V
OUT
(nominal) x 1.15
8
MIN
TYP
105
19
MAX
110
UNITS
%V
OUT_LDO
mA
µA
V
µA
RESET Voltage Threshold
HIGH
90.0
90.0
88
88
92.5
92.5
90
90
19
2
1.235
95.0
95.0
92
92
V
RESET_H
%V
OUT_LDO
%V
FB_LDO
%V
OUT_LDO
%V
FB_LDO
µs
RESET
Voltage Threshold
LOW
V
RESET_L
V
OUT_LDO
to
RESET
Delay
CT Ramp Current
CT Ramp Threshold
RESET
Output-Voltage Low
RESET
Open-Drain
Leakage Current
FB_PROT Threshold
Voltage
FB_PROT Threshold
Hysteresis
FB_PROT Input Current
Startup Response Time
GATE Rise Time
2.35
1.270
0.1
150
µA
V
V
nA
LOAD DUMP PROTECTOR (MAX15009 only)
V
TH_PROT
V
HYST
I
FB_PROT
t
START
t
GATE
V
FB_PROT
= 1.4V
EN_PROT rising, EN_LDO = IN, to
V
GATE
= 0.5V
GATE rising to +8V, V
SOURCE
= 0V
-100
20
1
FB_PROT rising
1.20
1.235
4
+100
1.27
V
%V
TH_PROT
nA
µs
ms
www.maximintegrated.com
Maxim Integrated
│
4
MAX15009/MAX15011
300mA LDO Regulators with
Switched Output and Overvoltage Protector
Electrical Characteristics (continued)
(V
IN
= +14V, V
SGND
= V
PGND
= 0V, C
GATE
= 6000pF, C
IN
= 10μF (ESR < 1.5Ω), C
OUT_LDO
= 22μF (ceramic), C
OUT_SW
= 1μF,
V
OUT_LDO
= 5V, C
T
= open, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
FB_PROT to GATE Turn-
Off Propagation Delay
SYMBOL
t
OV
CONDITIONS
FB_PROT rising from V
TH_PROT
-250mV to V
TH_PROT
+ 250mV
V
SOURCE
= V
IN
= 5.5V,
R
GATE
to IN = 1MΩ
V
SOURCE
= V
IN
; V
IN
≥ 14V,
RGATE to IN = 1MΩ
V
GATE
= 5V, V
EN_PROT
= 0V
GATE = SGND
12
V
IN
+
3.2
V
IN
+
7.0
V
IN
+
3.5
V
IN
+
8.1
63
45
16
18
MIN
TYP
MAX
0.6
V
IN
+
3.8
V
IN
+
9.5
100
UNITS
µs
GATE Output High Voltage
V
GATE
- V
IN
V
GATE Output Pulldown
Current
GATE Charge-Pump
Current
GATE-to-SOURCE Clamp
Voltage
SWITCH
Switch Dropout
I
GATEPD
I
GATE
V
CLMP
mA
µA
V
DV
SW
DV
SW
= V
OUT_LDO
- V
OUT_SW
, I
OUT_
SW
= 100mA, V
OUT_LDO
= 5V,
no external MOSFET
ILIM = OUT_LDO, V
IN
= 8V
170
85
30
R
LIM
= 100kΩ to SGND,
V
OUT_LDO
= 5V, V
IN
= 8V
R
LIM
= 39kΩ to SGND,
V
OUT_LDO
= 5V, V
IN
= 8V
36
200
100
40
0.395
1.194
1.235
16.0
1.00
12
38
18
70
240
120
50
mV
Switch Current Limit
I
SW_LIM
mA
Current-Limit Selector ILIM
Voltage
OC_DELAY Timeout
Threshold
OC_DELAY Timeout Pullup
Current
OC_DELAY Timeout
Pulldown Current
Minimum OC_DELAY
Timeout
EN_SW to OUT_SW
Turn-On Time
EN_SW to OUT_SW
Turn-Off Propagation Delay
Note
Note
Note
Note
1:
2:
3:
4:
V
ILIM
V
OC_DELAY
I
OC_DELAY_UP
R
LIM
= 100kΩ
V
1.270
21.3
1.40
V
µA
µA
µs
µs
µs
V
OC_DELAY
= 0.5V rising
12.5
0.75
I
OC_DELAY_DOWN
V
OC_DELAY
= 0.5V, falling
t
OC_DELAY_MIN
C
OC_DELAY
is unconnected
OUT_SW rising to +0.5V,
R
OUT_SW
= 1kΩ
t
OV_SW
EN_SW falling, V
OUT_LDO
- V
OUT_SW
rising to +1V, R
OUT_SW
= 1kΩ, V
OUT_
LDO
= 5V
Specifications to -40°C are guaranteed by design and not production tested.
1.8V is the minimum limit for proper
HOLD
functionality.
Dropout is defined as V
IN
- V
OUT_LDO
when V
OUT_LDO
is 98% of the value of V
OUT_LDO
for V
IN
= V
OUT_LDO
+ 1.5V.
Maximum output current may be limited by the power dissipation of the package.
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Embedded System
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