MAX1760 Просмотр технического описания (PDF) - Maxim Integrated
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MAX1760 Datasheet PDF : 14 Pages
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0.8A, Low-Noise, 1MHz,
Step-Up DC-DC Converter
ELECTRICAL CHARACTERISTICS (continued)
(CLK/SEL = FB = PGND = GND, ISET = REF, OUT = POUT, VOUT = 3.6V, TA = 0°C to +85°C. Typical values are at TA = +25°C,
unless otherwise noted.)
PARAMETER
Switch On-Resistance
N-Channel Current Limit
P-Channel Turn-Off Current
REFERENCES
Reference Output Voltage
Reference Load Regulation
Reference Supply Rejection
LOGIC INPUTS
N-channel
P-channel
CONDITIONS
CLK/SEL = GND
IREF = 0
-1µA < IREF < +50µA
2.5V < VOUT < 5V
MIN TYP MAX UNITS
0.15 0.28
Ω
0.25 0.45
1.0 1.25 1.6
A
20
60
120 mA
1.230 1.250 1.270
V
5
15
mV
0.2
5
mV
CLK/SEL Input Low Level
2.5V ≤ VOUT ≤ 5.5V
0.2 x
V
VOUT
CLK/SEL Input High Level
ON, ON Input Low Level (Note 6)
ON, ON Input High Level (Note 6)
Input Leakage Current
2.5V ≤ VOUT ≤ 5.5V
1.1V ≤ VOUT ≤ 1.8V
1.8V ≤ VOUT ≤ 5.5V
1.1V ≤ VOUT ≤ 1.8V
1.8V ≤ VOUT ≤ 5.5V
CLK/SEL, ON, ON (TA = +25°C,
MAX1760ETB, MAX1760HETB)
0.8 x
VOUT
VOUT
- 0.2
1.6
V
0.2
V
0.4
V
0.01
1
µA
Minimum CLK/SEL Pulse Width
Maximum CLK/SEL Rise/Fall Time
200
ns
100
ns
ELECTRICAL CHARACTERISTICS
(CLK/SEL = FB = PGND = GND, ISET = REF, OUT = POUT, VOUT = 3.6V, TA = -40°C to +85°C, unless otherwise noted.) (Note 7)
PARAMETER
DC-DC CONVERTER
Output Voltage
FB Regulation Voltage
Internal Oscillator Frequency
Oscillator Maximum Duty Cycle
Output Voltage Lockout Threshold
Supply Current in Shutdown
No-Load Supply Current
DC-DC SWITCHES
Switch On-Resistance
CONDITIONS
MIN
VFB < 0.1V, CLK/SEL = OUT, includes load
regulation for 0 < ILX < 0.55A
Adjustable output, CLK/SEL = OUT, includes
load regulation for 0 < ILX < 0.55A
CLK/SEL = OUT
(Note 3)
Rising edge (Note 4)
V ON = 3.6V
CLK/SEL = GND (Note 5)
3.17
1.215
0.75
80
2.00
N-channel
P-channel
MAX UNITS
3.38
V
1.270
1.2
90
2.30
5
185
V
MHz
%
V
µA
µA
0.28
Ω
0.45
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