MAX5025(2001) 查看數據表（PDF） - Maxim Integrated
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MAX5025 Datasheet PDF : 13 Pages
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500kHz, 36V Output, SOT23, PWM Step-Up
DC-DC Converters
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
FB Set Point
FB Input Bias Current
Output Voltage
Adjustment Range
LX OUTPUT
LX On-Resistance
Switch Current Limit
LX Leakage Current
LOGIC INPUT: SHDN
Input Low Level
Input High Level
Input Bias Current
SYMBOL
VFB
IFB
CONDITIONS
MAX5025, VCC = 4.5V to 11V
MAX5027, VCC = 4.5V to 11V
MAX5026, VCC = 3.3V to 11V
MAX5028, VCC = 3.3V to 11V
MAX5025/MAX5026, FB = 1V
MAX5027/MAX5028, FB = 30V
MAX5025/MAX5026
MIN TYP
1.19 1.25
28.5 30.0
1.212 1.25
29.0
30
110
100
VCC + 1
MAX
1.31
31.5
1.288
31
310
170
36
RON
ILX = 40mA
ILIM
Note 2
VLX = 40V
VIL
VIH
MAX5026/MAX5028,
VCC = 3V
VCC = 5V
VCC = 11V
MAX5025/MAX5026,
VFB = 1.4V
MAX5027/MAX5028,
VFB = 35V
2.0
4.0
1.3
3.0
1.0
2.5
260
0.01
10
0.8
2.4
-1
1
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).
UNITS
V
nA
µA
V
Ω
mA
µA
V
V
µA
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