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MAX16909RAUE/V+ Folha de dados(PDF) 5 Page - Maxim Integrated Products

Nome de Peças MAX16909RAUE/V+
Descrição Electrónicos  36V, 220kHz to 1MHz Step-Down Converter with Low Operating Current
PDF  20 Pages
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Fabricante Electrônico  MAXIM [Maxim Integrated Products]
Página de início  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX16909RAUE/V+ Folha de dados(HTML) 5 Page - Maxim Integrated Products

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5
Maxim Integrated
MAX16909
36V, 220kHz to 1MHz Step-Down Converter
with Low Operating Current
Typical Operating Characteristics
(VSUP = VSUPSW = VEN = 14V, VOUT = 1.8V, R1 = 80.6kΩ, R2 = 100kΩ, TA = +25NC (Figure 4), unless otherwise noted.)
SWITCHING FREQUENCY vs. ILOAD
(1.8V/400kHz)
391
392
393
394
395
396
397
398
399
400
390
ILOAD (A)
2.5
2.0
1.5
1.0
0.5
0
3.0
VIN = 14V
SWITCHING FREQUENCY vs. RFOSC
RFOSC (kI)
100
90
70 80
40 50 60
30
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
20
110
VIN = 14V
0.01
0.001
0.0001
0
0.1
EFFICIENCY vs. LOAD CURRENT
VIN = 14V
LOAD CURRENT (A)
10
20
30
40
50
60
70
80
90
100
0
1.8V
3.3V
5V
8V
D1: B360B-13-F, DIODES
L1: DRA125-150-R,
COOPER BUSSMANN
EFFICIENCY vs. LOAD CURRENT
VIN = 14V
LOAD CURRENT (A)
0
0.5
1.5
1.0
2.5
2.0
3.0
10
20
30
40
50
60
70
80
90
100
0
DIODE: B360B-13-F FROM DIODES
INDUCTOR: DRA125-150-R,
COOPER BUSSMANN
1.8V
3.3V
5V
8V
MAX16909 toc02
VIN
VOUT
VPGOOD
5V/div
5V/div
1V/div
0V
0V
0V
2ms/div
STARTUP INTO NO LOAD
(1.8V/400kHz)
STARTUP INTO HEAVY LOAD
(1.8V/400kHz)
MAX16909 toc01
VIN
VOUT
ILOAD
VPGOOD
5V/div
5V/div
1V/div
2A/div
0V
0V
0A
0V
2ms/div
0.6I RESISTIVE LOAD



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