MAX8654ETX Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX8654ETX Datasheet PDF : 17 Pages
| |||
12V, 8A 1.2MHz
Step-Down Regulator
Typical Operating Characteristics (continued)
(Typical values are: VIN = VVP = 12V, VOUT = 3.3V, RFREQ = 100kΩ, and TA = +25°C, circuit of Figure 1.)
EXPOSED PAD TEMPERATURE
vs. LOAD CURRENT
140
TA = +85°C, NO AIR FLOW
120
100
80
TA = +85°C, 200LFM
60 TA = +25°C, NO AIR FLOW
40
20
TA = +25°C, 200LFM
0
TA = -40°C, NO AIR FLOW
-20
-40
-60
TA = -40°C, 200LFM
0
2
4
6
8
LOAD CURRENT (A)
SHORT-CIRCUIT RESPONSE
MAX8654 toc12
CSS = 1000pF
VOUT
2V/div
0V
IOUT
5A/div
0
1A/div
IIN
0
400µs/div
RMS OUTPUT CURRENT DURING
OUTPUT SHORT CIRCUIT
4.0
VOUT = 3.3V
CSS = 22,000pF
3.5
3.0
2.5
2.0 CSS = 1000pF
1.5
CSS = 10,000pF
1.0
5
7
9
11
13
INPUT VOLTAGE (V)
LINE REGULATION
0.2
0.1
ILOAD = 0A ILOAD = 3A
0
-0.1
-0.2
ILOAD = 6A
-0.3
-0.4
5
7
9
11
13
15
INPUT VOLTAGE (V)
RMS INPUT CURRENT DURING
OUTPUT SHORT CIRCUIT
0.50
0.45
VOUT = 3.3V
0.40
CSS = 1000pF
0.35
0.30
0.25 CSS = 22,000pF
0.20
0.15
CSS = 10,000pF
0.10
0.05
0
5
7
9
11
13
INPUT VOLTAGE (V)
OPEN-LOOP FREQUENCY RESPONSE
40
20
0
-20
-40
0.1
IOUT = 6A
1
106.57946kHz
CPI
10
100
1000
166.6
83.3
0
-83.3
106.57946kHz
-166.6
CPI
0.1
1
10
100
1000
FREQUENCY (kHz)
6 _______________________________________________________________________________________
Share Link: 