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MAX686EEE датащи(PDF) 5 Page - Maxim Integrated Products

номер детали MAX686EEE
подробное описание детали  DAC-Controlled Boost/Inverter LCD Bias Supply with Internal Switch
PDF  16 Pages
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производитель  MAXIM [Maxim Integrated Products]
домашняя страница  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX686EEE датащи(HTML) 5 Page - Maxim Integrated Products

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DAC-Controlled Boost/Inverter
LCD Bias Supply with Internal Switch
_______________________________________________________________________________________
5
95
60
0.1
1
10
100
EFFICIENCY vs. LOAD CURRENT
(VOUT = +24V)
70
65
75
80
85
90
LOAD CURRENT (mA)
A: VIN = 12V, ISET = VCC
B: VIN = 12V, ISET = GND
C: VIN = 5V, ISET = VCC
D: VIN = 5V, ISET = GND
E: VIN = 3V, ISET = GND
F: VIN = 3V, ISET = VCC
C
D
E
F
A
B
95
90
60
0.1
10
1
1000
100
EFFICIENCY vs. LOAD CURRENT
(VOUT = +12V)
65
LOAD CURRENT (mA)
70
75
80
85
A: VIN = 9V, ISET = VCC
B: VIN = 9V, ISET = GND
C: VIN = 5V, ISET = VCC
D: VIN = 5V, ISET = GND
E: VIN = 3V, ISET = GND
F: VIN = 3V, ISET = VCC
D
C
F
B
A
E
85
60
0.1
1
10
100
EFFICIENCY vs. LOAD CURRENT
(VOUT = -12V)
65
70
75
80
LOAD CURRENT (mA)
A
F
E
B
D
C: VIN = 5V, ISET = GND
D: VIN = 5V, ISET = VCC
E: VIN = 3V, ISET = GND
F: VIN = 3V, ISET = VCC
A: VIN = 9V, ISET = GND
B: VIN = 9V, ISET = VCC
C
__________________________________________Typical Operating Characteristics
(Circuits of Figures 1 and 2, VCC = VDD = VIN = +5V, L1 = 22µH, SHDN = VCC, CREF = 0.1µF, TA = +25°C, unless otherwise noted.)
85
50
0.1
1
10
100
EFFICIENCY vs. LOAD CURRENT
(VOUT = -18V)
60
55
65
70
75
80
LOAD CURRENT (mA)
C
D
A: VIN = 9V, ISET = GND
B: VIN = 9V, ISET = VCC
C: VIN = 5V, ISET = GND
D: VIN = 5V, ISET = VCC
E: VIN = 3V, ISET = GND
F: VIN = 3V, ISET = VCC
E
F
A
B
1000
1
0
4
6
2
10
12
8
14
MAXIMUM OUTPUT CURRENT vs.
INPUT VOLTAGE (VOUT = +12V, +24V)
10
100
INPUT VOLTAGE (V)
A: VOUT = 12V, ISET = VCC
B: VOUT = 12V, ISET = GND
C: VOUT = 24V, ISET = VCC
D: VOUT = 24V, ISET = GND
A
C
D
B
1
10
100
0
4
6
8
2
10
12
14
16
18
MAXIMUM OUTPUT CURRENT vs.
INPUT VOLTAGE (VOUT = -12V, -18V)
INPUT VOLTAGE (V)
B
D
C
A: VOUT = -12V, ISET = VCC
B: VOUT = -18V, ISET = VCC
C: VOUT = -12V, ISET = GND
D: VOUT = -18V, ISET = GND
A
B & D
A & C
VOUT
50mV/div
AC-COUPLED
VOUT
50mV/div
AC-COUPLED
ISET = VCC
ISET = GND
OUTPUT VOLTAGE RIPPLE
MAX686 TOC09
20
µs/div
VOUT = 24V
ILOAD = 5mA
1000
1
0
2
1
4
5
3
6
INPUT CURRENT
vs. INPUT VOLTAGE
10
100
INPUT VOLTAGE (V)
VCC = VIN = VDD
INPUT CURRENT = ICC + IDD
VOUT = 18V, NO LOAD
1.244
1.246
1.245
1.248
1.247
1.251
1.250
1.249
1.252
0
40
20
60
80
100
120
140
REFERENCE VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (
µA)
VIN = VCC = 5V
CREF = 0.1µF



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