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MAX8737 Fiches technique(PDF) 2 Page - Maxim Integrated Products

No de pièce MAX8737
Description  Dual, Low-Voltage Linear Regulator Controllers with External MOSFETs
Download  15 Pages
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Fabricant  MAXIM [Maxim Integrated Products]
Site Internet  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX8737 Fiches technique(HTML) 2 Page - Maxim Integrated Products

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Dual, Low-Voltage Linear Regulator Controllers
with External MOSFETs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
VCC to GND ..............................................................-0.3V to +6V
OUT1, OUT2 to GND................................................-0.3V to +6V
REFIN1, REFIN2, PGOOD1, PGOOD2, EN1,
EN2 to GND..........................................................-0.3V to +6V
DRV1, DRV2, CS1, CS2 to GND.................-0.3V to (VCC + 0.3V)
Continuous Power Dissipation (TA = +70°C)
16-Pin 4mm x 4mm Thin QFN (derated 25mW/°C
above +70°C).............................................................2000mW
Operating Temperature Range
MAX8737ETE ...................................................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VCC = 5V, EN_ = CS_ = VCC, VREFIN = 1.0V, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range
VCC
4.75
5.50
V
VCC Undervoltage Lockout
Threshold
Rising edge, 200mV hysteresis (typ)
4.1
4.35
4.6
V
VCC Quiescent Supply Current
ICC
EN1 = EN2 = VCC
0.5
1
mA
VCC Shutdown Supply Current
EN1 = EN2 = GND
0.1
5
µA
REFIN to OUT Offset Voltage
VOUT_-5
+5
mV
OUT_ Input Bias Current
IOUT_-1
+1
µA
DRIVERS
Output high; VOUT_ = VREFIN_ - 25mV,
ILOAD = 1mA
VCC -
0.3
VCC -
0.05
DRV_ Output Voltage Swing
(Note 1)
Output low; VOUT_ = VREFIN_ + 25mV,
ILOAD = 1mA
0.03
0.3
V
DRV_ Maximum Sourcing Current
VOUT_ = VREFIN_ - 25mV; VDRV = 3V
6
14
mA
DRV_ Maximum Sinking Current
VOUT_ = VREFIN_ + 25mV; VDRV = 3V
6
14
mA
OUT_ to DRV_ Transconductance
(Large Signal)
GMDRV
0.8
S
DRV_ Power-Supply Rejection
Ratio
10Hz < f < 10kHz, IDRV = 1mA, CDRV =
10nF
-80
dB
DRV_ Soft-Start Charging Current
ISOFT
40
170
400
µA
REFERENCE INPUT
REFIN_ Voltage Range
VREFIN_
VCC = 4.75V to 5.5V
0.5
2.5
V
REFIN_ Input Bias Current
IREFIN_VREFIN_ = 0 to 2.5V
-100
-10
+100
nA
FAULT PROTECTION
Thermal Shutdown Threshold
TSHDN
Hysteresis = 20°C
+125
°C
TA = 0°C to +85°C
7
10
13
Current-Limit Threshold
VILIM
VCS_ - VOUT_
TA = +85°C
7.5
10
12.5
mV
CS_ Input Current
-1
+1
µA
Linear Regulator UVP Threshold
(Slow)
UVP(SLOW) With respect to VREFIN; CS_ = VCC
72
80
88
%


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