Rainbow-electronics MAX17480 Manual do Utilizador Página 11

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
  • Página
    / 48
  • Índice
  • MARCADORES
  • Avaliado. / 5. Com base em avaliações de clientes
Vista de página 10
MAX17480
AMD 2-/3-Output Mobile Serial
VID Controller
______________________________________________________________________________________ 11
Typical Operating Characteristics
(Circuit of Figure 2, V
IN
= 12V, V
DD
= V
CC
= 5V, V
DDIO
= 2.5V, T
A
= +25°C, unless otherwise noted.)
CORE SMPS 1-PHASE EFFICIENCY
vs. LOAD CURRENT (V
OUT
= 1.2V)
MAX17480 toc01
LOAD CURRENT (A)
EFFICIENCY (%)
101
70
80
90
100
60
0.1 100
SKIP MODE
PWM MODE
12V
7V
20V
CORE SMPS 2-PHASE EFFICIENCY
vs. LOAD CURRENT (V
OUT
= 1.2V)
MAX17480 toc02
LOAD CURRENT (A)
EFFICIENCY (%)
10
70
80
90
100
60
1100
12V
7V
20V
PWM MODE
CORE SMPS OUTPUT VOLTAGE
vs. LOAD CURRENT (V
OUT
= 1.2V)
MAX17480 toc03
LOAD CURRENT (A)
OUTPUT VOLTAGE (V)
15105
1.195
1.200
1.205
1.190
020
SKIP MODE AND PWM MODE
V
IN
= 12V
CORE SMPS 1-PHASE EFFICIENCY
vs. LOAD CURRENT (V
OUT
= 0.8V)
MAX17480 toc04
LOAD CURRENT (A)
EFFICIENCY (%)
101
70
80
90
100
60
0.1 100
SKIP MODE
PWM MODE
12V
7V
20V
CORE SMPS OUTPUT VOLTAGE
vs. LOAD CURRENT (V
OUT
= 0.8V)
MAX17480 toc05
LOAD CURRENT (A)
OUTPUT VOLTAGE (V)
15105
0.795
0.800
0.805
0.790
020
SKIP MODE AND PWM MODE
V
IN
= 12V
NB SMPS EFFICIENCY
vs. LOAD CURRENT (1V)
MAX17480 toc06
LOAD CURRENT (A)
EFFICIENCY (%)
1
70
80
90
100
60
0.1 10
SKIP MODE
PWM MODE
3.3V
5V
NB SMPS 1V OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX17480 toc07
LOAD CURRENT (A)
OUTPUT VOLTAGE (V)
21
0.97
0.99
1.01
1.03
1.05
0.95
043
SKIP MODE
PWM MODE
V
IN
= 3.3V
V
IN
= 5V
CORE SMPS 1-PHASE SWITCHING
FREQUENCY vs. LOAD CURRENT
MAX17480 toc08
LOAD CURRENT (A)
SWITCHING FREQUENCY (kHz)
101
150
200
250
300
350
100
0.1 100
V
IN
= 20V SKIP
V
IN
= 20V PWM
V
IN
= 12V SKIP
V
IN
= 12V PWM
V
IN
= 7V SKIP
V
IN
= 7V PWM
V
OUT
= 1.2V
NB SMPS SWITCHING FREQUENCY
vs. LOAD CURRENT
MAX17480 toc09
LOAD CURRENT (A)
SWITCHING FREQUENCY (kHz)
3.0 3.52.52.00.5 1.0 1.5
450
500
550
600
650
700
750
400
04.0
V
IN
= 3.3V SKIP
V
IN
= 5V PWM
V
IN
= 3.3V SKIP
V
IN
= 5V PWM
V
OUT
= 1V
Vista de página 10
1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 47 48

Comentários a estes Manuais

Sem comentários