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MAX8595Z Fiches technique(PDF) 2 Page - Maxim Integrated Products

No de pièce MAX8595Z
Description  High-Efficiency, 32V Step-Up Converters with TA Derating Option for 2 to 8 White LEDs
Download  8 Pages
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Fabricant  MAXIM [Maxim Integrated Products]
Site Internet  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX8595Z Fiches technique(HTML) 2 Page - Maxim Integrated Products

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High-Efficiency, 32V Step-Up Converters
with TA Derating Option for 2 to 8 White LEDs
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.
IN to GND .................................................................-0.3V to +6V
PGND to GND .......................................................-0.3V to +0.3V
LX, OUT to GND .....................................................-0.3V to +37V
CTRL to GND...................-0.3V to the lower of +6V or (VIN + 2V)
COMP, CS to GND ......................................-0.3V to (VIN + 0.3V)
ILX ...................................................................................1.0ARMS
Continuous Power Dissipation (TA = +70°C)
8-Pin TDFN 3mm x 3mm
(derate 24.4mW/°C above +70°C) ............................ 1950mW
Operating Temperature Range ...........................-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
(VIN = 3.0V, L = 22µH, CIN = 2.2µF, COUT = 0.1µF, CCOMP = 0.1µF, RSENSE = 13
Ω, VCTRL = 1.5V, TA = -40°C to +85°C, unless other-
wise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
2.6
5.5
V
UVLO Threshold
VIN rising or falling
2.10
2.38
2.55
V
UVLO Hysteresis
30
mV
Quiescent Current
No switching
0.5
0.7
mA
TA = +25
°C
0.3
2
Shutdown Supply Current
CTRL = GND,
VOUT = VIN
TA = +85
°C1
µA
OVLO Threshold
VOUT rising
32
34
36
V
OVLO Hysteresis
2V
VOUT = 32V, VCTRL > 0.24V
9
20
35
TA = +25
°C
0.01
1
OUT Input Bias Current
OUT = IN, CTRL = GND
TA = +85
°C
0.1
µA
Output Voltage Range
(Note 2)
VIN -
VD
32
V
ERROR AMPLIFIER
TA = +25
°C
0.295
0.300
0.305
TA = 0
°C to +85°C
0.292
0.300
0.308
CTRL to CS Regulation
VCTRL = 1.50V,
VIN = 2.6V to 5.5V
TA = -40
°C to +85°C
0.290
0.300
0.310
V
TA = +25
°C
0.01
1
CS Input Bias Current
VCS = VCTRL / 5
TA = +85
°C
0.03
µA
MAX8595Z, VCTRL = 3.0V
310
330
347
TA = -40
°C to +25°C
330
345
360
TA = +42
°C
343
CS Maximum Brightness Clamp
Voltage
MAX8596Z,
VCTRL = 3.0V
TA = +85
°C
106.5
mV
MAX8595Z
1.65
CTRL Voltage for CS Maximum
Brightness Clamp
MAX8596Z
1.72
V
CS Derating Function Start
Temperature
MAX8596Z, VCTRL = 3.0V
+42
°C


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