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MAX5025 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX5025
Description  500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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500kHz, 36V Output, SOT23, PWM Step-Up
DC-DC Converters
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 5V, SHDN = VCC, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX5025, VCC = 4.5V to 11V
1.19
1.25
1.31
MAX5027, VCC = 4.5V to 11V
28.5
30.0
31.5
MAX5026, VCC = 3.3V to 11V
1.212
1.25
1.288
FB Set Point
VFB
MAX5028, VCC = 3.3V to 11V
29.0
30
31
V
MAX5025/MAX5026, FB = 1V
110
310
nA
FB Input Bias Current
IFB
MAX5027/MAX5028, FB = 30V
100
170
µA
Output Voltage
Adjustment Range
MAX5025/MAX5026
VCC + 1
36
V
LX OUTPUT
MAX5026/MAX5028,
VCC = 3V
2.0
4.0
VCC = 5V
1.3
3.0
LX On-Resistance
RON
ILX = 40mA
VCC = 11V
1.0
2.5
Switch Current Limit
ILIM
Note 2
260
mA
MAX5025/MAX5026,
VFB = 1.4V
LX Leakage Current
VLX = 40V
MAX5027/MAX5028,
VFB = 35V
0.01
10
µA
LOGIC INPUT:
SHDN
Input Low Level
VIL
0.8
V
Input High Level
VIH
2.4
V
Input Bias Current
-1
1
µA
Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.
Note 2: Switch current-limit accuracy is typically ±20% and is a function of the input voltage. ILIM = (VIN/5) (260mA).




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