MAX1759EUB Ver la hoja de datos (PDF) - Maxim Integrated
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Fabricante
MAX1759EUB Datasheet PDF : 10 Pages
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Buck/Boost Regulating
Charge Pump in µMAX
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VIN = V SHDN = 2V, FB = PGND = GND, CIN = 10µF, CX = 0.33µF, COUT = 10µF, TA = -40°C to +85°C, unless oth-
erwise noted.) (Note 1)
PARAMETER
Input Voltage Range
Input Undervoltage Lockout
Voltage
SYMBOL
VIN
VUVLO
CONDITIONS
MIN
MAX UNITS
1.6
5.5
V
0.6
1.4
V
Output Voltage
VOUT
2V ≤ VIN ≤ 5.5V, 0 ≤ ILOAD ≤ 50mA
2.5V ≤ VIN ≤ 5.5V, 0 ≤ ILOAD ≤ 100mA
3.15
3.15
Output Voltage Adjustment
Range
1.6V ≤ VIN ≤ 5.5V
2.5
3.45
V
3.45
V
5.5
V
Maximum Output Current
Quiescent Supply Current
Shutdown Supply Current
Leakage Current into OUT in
Shutdown
ILOAD,MAX
IQ
IQ,SHDN
2.5V ≤ VIN ≤ 5.5V
VIN = V SHDN = 4V, VFB = 0
VIN = V SHDN = 2.5V, VFB = 0
1.6V ≤ VIN ≤ 5.5V, V SHDN = 0
VIN = 2V, VOUT = 3.3V, V SHDN = 0
100
mA
90
µA
180
6
µA
5
µA
SHDN Input Logic Voltage
SHDN Input Leakage Current
FB Regulation Voltage
FB Input Bias Current
FB Dual Mode Threshold
POK Trip Voltage
POK Output Low Voltage
POK Leakage Current
Switching Frequency
VIL
VIH
ISHDN
VFB
VOL
fOSC
1.6V ≤ VIN ≤ 5.5V
1.6V ≤ VIN ≤ 5.5V
V SHDN = 5.5V
VIN = 1.65V, VOUT = 3.3V
VFB = 1.27V
Internal feedback
External feedback
Falling edge at FB
ISINK = 0.5mA, VIN = 2V
VPOK = 5.5V
1.6V ≤ VIN ≤ 5.5V, VFB = 1V
0.7 · VIN
-1
1.205
200
1.0
1.1
0.2 · VIN
1
1.265
200
40
1.2
100
0.2
1.9
V
V
µA
V
nA
mV
mV
V
mV
µA
MHz
Note 1: Specifications to -40°C are guaranteed by design and are not production tested.
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