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MAX1765EEE Datasheet(PDF) 7 Page - Maxim Integrated Products

Part # MAX1765EEE
Description  800mA, Low-Noise, Step-Up DC-DC Converter with 500mA Linear Regulator
PDF  19 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1765EEE Datasheet(HTML) 7 Page - Maxim Integrated Products

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800mA, Low-Noise, Step-Up DC-DC Converter
with 500mA Linear Regulator
_______________________________________________________________________________________
7
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
0
0.001
1
0.1
0.01
TRACK MODE EFFICIENCY vs. LOAD CURRENT
(VOUTL = +5V)
30
10
70
50
90
40
20
80
60
LOAD CURRENT (A)
VIN = +1.2V
VIN = +1.2V
VIN = +3.6V
NORMAL MODE
VIN = +2.4V
VIN = +3.6V
VIN = +2.4V
PWM
MODE
0
0.05
0.10
0.15
0.20
0.25
0.30
0
200
100
300 400 500 600 700 800
LINEAR REGULATOR DROPOUT
VOLTAGE vs. LOAD CURRENT
LOAD CURRENT (mA)
VOUTL = +2.5V
VOUTL = +2.85V
VOUTL = +5V
0
1
1000
100
10
STARTUP INPUT VOLTAGE
vs. OUTPUT CURRENT
2.5
1.0
0.5
2.0
1.5
OUTPUT CURRENT (mA)
TA = +25
°C
TA = -40
°C
TA = +85
°C
0
4
2
10
8
6
16
14
12
18
0
1.0
1.5
0.5
2.0
2.5
3.0
3.5
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
FPWM MODE
NORMAL MODE
0.9
0
0.001
1
0.1
0.01
EFFICIENCY vs. LOAD CURRENT
(VOUT = +3.3V)
0.3
0.1
0.7
0.5
1.0
0.4
0.2
0.8
0.6
LOAD CURRENT (A)
VIN = +2.4V
NORMAL
MODE
VIN = +1.2V
VIN = +2.4V
VIN = +1.2V
PWM
MODE
90
0
0.001
1
0.1
0.01
EFFICIENCY vs. LOAD CURRENT
(VOUT = +5V)
30
10
70
50
100
40
20
80
60
LOAD CURRENT (A)
PWM
MODE
VIN = +1.2V
VIN = +2.4V
VIN = +3.6V
VIN = +3.6V NORMAL MODE
VIN = +2.4V
VIN = +1.2V
90
0
0.001
1
0.1
0.01
TRACK MODE EFFICIENCY vs. LOAD CURRENT
(VOUTL = +2.85V)
30
10
70
50
100
40
20
80
60
LOAD CURRENT (A)
NORMAL MODE
VIN = +1.2V
VIN = +2.4V
VIN = +1.2V
VIN = +2.4V
PWM
MODE
0
0.001
1
0.1
0.01
TRACK MODE EFFICIENCY vs. LOAD CURRENT
(VOUTL = +3.3V)
30
10
70
50
90
40
20
80
60
LOAD CURRENT (A)
VIN = +1.2V
VIN = +1.2V
VIN = +2.4V
VIN = +3.6V
VIN = +2.4V
NORMAL
MODE
NORMAL MODE/
PWM MODE
PWM
MODE
0
600
400
200
800
1000
1200
0
2.0
1.5
0.5 1.0
2.5 3.0 3.5 4.0 4.5 5.0
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
VOUT = +5V, ISET = REF
VOUT = +3.3V, ISET = REF
VOUT = +3.3V, ISET = 0.5 REF
VOUT = +5V, ISET = 0.5 REF



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