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MAX16910CASA8/V+-MAX16910CATA9/V+T
200mA, Automotive, Ultra-Low Quiescent Current, Linear Regulator
General DescriptionThe MAX16910 ultra-low quiescent current, high-voltage
linear regulator is ideal for use in automotive and battery-
operated systems. The device operates from a +3.5V to
+30V input voltage, delivers up to 200mA of load cur-
rent, and consumes only 20µA of quiescent current at
no load. The device consumes only 1.6µA current when
in shutdown. The input is +45V transient tolerant and is
designed to operate under load-dump conditions. The
MAX16910 can be configured as either fixed output volt-
age (+3.3V or +5V) or adjustable output voltage using an
external resistive divider.
The MAX16910 features an open-drain, active-low RESET
output with fixed thresholds offered at 92.5% and 87.5%
of the output voltage. The RESET output remains low for
a fixed period of 60µs after the output voltage exceeds
its threshold. The RESET delay can be extended with an
external capacitor.
The MAX16910 includes an enable input, short-circuit
protection, and thermal shutdown. The MAX16910 oper-
ates over the -40°C to +125°C automotive temperature
range. The device is available in a space-saving, ther-
mally enhanced, 3mm x 3mm, 8-pin TDFN package and
5mm x 4mm, 8-pin SO package.
Applications●Automotive●Industrial●Telecom
Beneits and Features●Enables System Designers to Meet Stringent Module
Requirements for 100μA Quiescent CurrentLow 20µA Quiescent CurrentUp to 200mA Output-Current CapabilityUser-Selectable Output Voltage (+3.3V or +5V
Fixed and +1.5V to +11V Adjustable with
External Resistive Divider)●Tiny Output Capacitors Reduce Board Space and
BOM CostStable Operation with 4.7µF Output Capacitor●Accurate RESET Output with Adjustable Delay
Eliminates Need for Separate Reset ICOpen-Drain RESET Output with Adjustable DelayFixed-Reset Threshold Options: 87.5% or 92.5%●Operates Through Cold-Crank ConditionsLow-Dropout Voltage of 280mV at 200mA +3.5V to +30V Wide Input Voltage Range,
+45V Tolerant●Robust Performance in Automotive EnvironmentThermal and Short-Circuit ProtectionHigh-Voltage Enable Input (+45V)Operating -40°C to +125°C Temperature RangeAutomotive Qualiied
Typical Operating CircuitsTypical Operating Circuits continued on next page.
Ordering Information/Selector Guide appears at end of data
sheet.
MAX16910
1µF
OUT
SETOV
RESET
ENABLE
1nF
(1.25ms DELAY)
4.7µF
VCC
RESET
I/O
5V FIXED OUTPUT
TIMEOUT
SET
GND
14V
BATTERY10kI
MAX16910200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
EVALUATION KIT AVAILABLE
Typical Operating Circuits (continued)MAX16910
1µF
OUT
SETOV
RESET
ENABLE
1nF
(1.25ms DELAY)
4.7µF
VCC
RESET
I/O
3.3V FIXED OUTPUT
TIMEOUT
SET
GND
14V
BATTERY10kI
MAX16910
1µF
OUT
SETOV
RESET
SET
1nF
(1.25ms DELAY)
4.7µF
VCC
RESET
I/O
ADJUSTABLE OUTPUT
TIMEOUT
GND
ENABLE
14V
BATTERY10kI
MAX16910200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
Pin Conigurations
TDFNMAX16910
TOP VIEW
TIMEOUTSETOVGNDOUT
RESET
SET
ENABLE
*EP
*CONNECT EXPOSED PAD TO GND.
SETOV
TIMEOUT
*EP
RESET
OUT
GNDENABLE
SET
TOP VIEW
MAX16910
*CONNECT EXPOSED PAD TO GND.
MAX16910200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
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.
(All voltages referenced to GND.)
IN, ENABLE, SET.................................................. -0.3V to +45V
OUT, RESET (open-drain output)............................-0.3V to +12V
SETOV, TIMEOUT....................................................-0.3V to +6V
Maximum Current (all pins except IN and OUT)...............50mA
Continuous Power Dissipation (TA = +70°C)TDFN (derate 24.4mW/°C above +70°C)*.............1951mWSO (derate 23.3mW/°C above +70°C)*................1861mW
Operating Temperature Range..........................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range..............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Soldering Temperature (reflow) ......................................+260°C
Absolute Maximum RatingsNote 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics(VIN = VENABLE = +14V, CTIMEOUT = open, CIN = 1µF, COUT = 4.7µF, unless otherwise noted. TA = -40°C to +125°C, TA P TJ P
+150°C, unless otherwise noted. Typical values are TA = +25°C.) (Note 2)
*As per JEDEC51 Standard (multilayer board).
Package Thermal Characteristics (Note 1)TDFN
Junction-to-Ambient Thermal Resistance (qJA) ...........41°C/W
Junction-to-Case Thermal Resistance (qJC) ..................8°C/W
Junction-to-Ambient Thermal Resistance (qJA) ...........53°C/W
Junction-to-Case Thermal Resistance (qJC) ..................7°C/W
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
Supply Voltage RangeVINContinuous3.530VFor P 400ms45
Supply CurrentILOAD = 0mA, SET = GND, VOUT = 5V2030FA
Shutdown Supply CurrentISHDNENABLE = GND, TA = +25NC1.63FAENABLE = GND, -40NC P TA P +125NC3
Output Voltage
(5V Fixed Output Setting)VOUT50
1mA P ILOAD P 200mA,
VIN = 6V to 30V (Note 3)4.95.05.1
1mA P ILOAD P 50mA,
VIN = 6V to 30V, TJ = +150°C (Notes 3, 4)4.95.05.1
Output Voltage
(3.3V Fixed Output Setting)VOUT33
1mA P ILOAD P 200mA, VIN = 4.8V to 30V
(Note 3)3.2343.33.3661mA P ILOAD P 50mA, VIN = 4.8V to 30V,
TJ = +150°C (Notes 3, 4)3.2343.33.366
Adjustable Output-Voltage RangeVOUT1.511.0V
SETOV FB VoltageVSETOVILOAD = 1mA (Note 4)1.2251.251.275V
Dropout Voltage (Note 5)DVDO
ILOAD = 200mA, SET = GND, SETOV =
HIGH, VOUT(NORM) = +5.0V280600ILOAD = 50mA, SET = GND, SETOV =
HIGH, VOUT(NORM) = +5.0V, TJ = +150°C
MAX16910200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
Electrical Characteristics (continued)(VIN = VENABLE = +14V, CTIMEOUT = open, CIN = 1µF, COUT = 4.7µF, unless otherwise noted. TA = -40°C to +125°C, TA P TJ P
+150°C, unless otherwise noted. Typical values are TA = +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
Short-Circuit Output Current LimitISCOutput shorted to GND (MAX16910C__)230330mA
Thermal Shutdown(Note 6)+180NC
Thermal Shutdown Hysteresis(Note 6)+25NC
Line Regulation
(5V Fixed Output Setting)VIN = 6V to 30V, ILOAD = 1mA1mV
Line Regulation
(3.3V Fixed Output Setting)VIN = 4.8V to 30V, ILOAD = 1mA1mV
Load Regulation
(5V Fixed Output Setting)ILOAD = 1mA to 200mA 12mV
Load Regulation
(3.3V Fixed Output Setting)ILOAD = 1mA to 200mA12mV
Power-Supply Rejection RatioPSRRILOAD = 10mA, f = 100Hz, 500mVP-P
(Note 6)60dB
Startup Response TimetSTARTRising edge of VIN to VOUT, ILOAD = 50mA
(Note 6)160Fs
TIMEOUT INPUT
TIMEOUT Ramp CurrentITOTIMEOUT connected to GND0.6001.01.650FA
TIMEOUT Ramp Delay1.25ms/nF
RESET Default Timeout PeriodVOUT rising, TIMEOUT = OPEN306090Fs
RESET OUTPUT
RESET ThresholdMAX16910__9/V+, VOUT falling9092.594% of
VOUTMAX16910__8/V+, VOUT falling8587.589
RESET Threshold HysteresisVOUT rising5% of
VOUT
OUT to RESET DelayVOUT falling (Note 6)4Fs
RESET Output-Voltage Low
(Open-Drain)VOLISINK = 0.5mA, RESET asserted0.4V
RESET Open-Drain Leakage
Current
RESET not asserted, RESET = 7V,
TA = +25NC1FA
RESET Open-Drain Leakage
CurrentRESET not asserted, RESET = 7V0.03FA
ENABLE
ENABLE Logic-LowVIL0.4V
ENABLE Logic-HighVIH2.4V
ENABLE Pulldown Current(Note 7)0.65FA
SET INPUT
SET Input Current (All Modes)TA = +25NC-50+50nA
TJ = +150NC0.2FA
SET Logic-LowVILSET0.4V
Set Logic-HighVIHSET2.4V
MAX16910200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
Note 2: Production tested at TA = +25°C. Overtemperature limits are guaranteed by ATE characterization between -40°C P TJ ≤
+150°C, unless otherwise noted.
Note 3: Observe the absolute maximum power dissipation limits.
Note 4: Specification characterized up to +150°C operating junction temperature. Limits are guaranteed by bench characterization.
Note 5: Dropout voltage is defined as (VIN - VOUT) when VOUT is 2% below the value of VOUT for VIN = VOUT + 3V.
Note 6: Not production tested.
Note 7: ENABLE is internally pulled to GND.
Electrical Characteristics (continued)(VIN = VENABLE = +14V, CTIMEOUT = open, CIN = 1µF, COUT = 4.7µF, unless otherwise noted. TA = -40°C to +125°C, TA P TJ P
+150°C, unless otherwise noted. Typical values are TA = +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
SETOV INPUT (TRI-MODE)
SETOV Input Leakage CurrentSET = HIGH, VSETOV = 5V
or SET = GND, VSETOV = 5V1FA
SETOV Low-Level Input VoltageVILSETOVSET = GND, VSETOV < VILSETOV or places
device in +3.3V fixed output-voltage mode 0.4V
SETOV High-Level Input VoltageVIHSETOVSET = GND, VSETOV > VIHSETOV or places
device in +5V fixed output-voltage mode
VOUT
- 0.4V
MAX16910200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
Typical Operating Characteristics(VIN = VEN = +14V, CIN = 1µF, COUT = 4.7µF ceramic, TA = +25°C, unless otherwise noted.)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (NC)
MAX16910 toc04
IIN
VIN = 30V
VIN = 14V
VIN = 6V
RESET THRESHOLD
vs. TEMPERATURE
TEMPERATURE (NC)
MAX16910 toc05
RESET THRESHOLD VOLTAGE (V)
MAX16910_9/V RISING
MAX16910_9/V FALLING
MAX16910_8/V RISING
MAX16910_8/V FALLING
VOUT = 5V
DROPOUT VOLTAGE vs. LOAD CURRENT
(5V OUTPUT)
LOAD CURRENT (mA)
DROPOUT VOLTAGE (V)
MAX16910 toc06
TA = +150NC
TA = +125NC
TA = +25NC
TA = -40NC
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX16910 toc01
VIN (V)
IIN2015105
ILOAD = 0
GROUND CURRENT
vs. LOAD CURRENT
ILOAD (mA)
IGND
MAX16910 toc02
TA = +125NCTA = +25NC
TA = -40NC
VOUT = 3.3V
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
VIN (V)
IIN2015105
MAX16910 toc03
MAX16910200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
Typical Operating Characteristics (continued)(VIN = VEN = +14V, CIN = 1µF, COUT = 4.7µF ceramic, TA = +25°C, unless otherwise noted.)
DROPOUT VOLTAGE vs. LOAD CURRENT
(3.3V OUTPUT)
LOAD CURRENT (mA)
DROPOUT VOLTAGE (V)
MAX16910 toc07
TA = +150NC
TA = +125NC
TA = +25NC
TA = -40NC
OUTPUT VOLTAGE vs.
SUPPLY VOLTAGE
VIN (V)
OUT
(V)30252015105
MAX16910 toc08
ILOAD = 0mA
SETOV = GND
SET = GND
OUTPUT VOLTAGE vs.
SUPPLY VOLTAGE 30202510155
MAX16910 toc09
VIN (V)
OUT
(V)
ILOAD = 0mA
SETOV = OUT
SET = GND
OUTPUT VOLTAGE
vs. TEMPERATURE
MAX16910 toc10
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
IOUT = 10mA
RESET TIMEOUT PERIOD vs.
TEMPERATURE
TEMPERATURE (NC)
TIMEOUT PERIOD (
CTIMEOUT UNCONNECTED
MAX16910 toc11
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
FREQUENCY (kHz)
PSRR (dB)
MAX16910 toc12
ILOAD = 10mA
VIN = 14V + 0.5VP-P
MAX16910200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
