Rainbow-electronics MAX5098A Bedienungsanleitung Seite 10

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Seitenansicht 9
MAX5098A
Dual, 2.2MHz, Automotive Buck or Boost
Converter with 80V Load-Dump Protection
10 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(See the
Typical Application Circuit
, unless otherwise noted. V+ = V
IN_HIGH
= 14V, unless otherwise noted. V+ = V
IN_HIGH
means
that N1 is shorted externally.)
IN_HIGH CLAMP VOLTAGE
vs. CLAMP CURRENT
MAX5098A toc29
CLAMP CURRENT (mA)
IN_HIGH CLAMP VOLTAGE (V)
40302010
20.0
20.1
20.2
20.3
19.9
050
T
A
= +25°C
T
A
= +135°C
T
A
= +125°C
T
A
= +85°C
T
A
= -40°C
V+ TO IN_HIGH CLAMP VOLTAGE
vs. GATE SINK CURRENT
MAX5098A toc30
GATE SINK CURRENT (mA)
V+ TO IN_HIGH CLAMP VOLTAGE (V)
8642
1
2
3
4
5
0
010
T
A
= +25°C
T
A
= +135°C
T
A
= +125°C
T
A
= +85°C
T
A
= -40°C
(V
GATE
- V) vs. V
IN_HIGH
MAX5098A toc31
V
IN_HIGH
(V)
(V
GATE
- V) (V)
15.512.08.5
2
4
6
8
10
0
5.0 19.0
T
A
= +25°C
T
A
= +135°C
T
A
= +125°C
T
A
= +85°C
T
A
= -40°C
ON/OFF = IN_HIGH
SYSTEM TURN-ON FROM BATTERY
MAX5098A toc32
10ms/div
V
L
10V/div
V+
10V/div
GATE
10V/div
IN_HIGH
10V/div
V
IN
10V/div
0V
0V
0V
0V
0V
SYSTEM TURN-OFF FROM BATTERY
MAX5098A toc33
10ms/div
V
L
10V/div
V+
10V/div
GATE
10V/div
IN_HIGH
10V/div
V
IN
10V/div
0V
0V
0V
0V
0V
SYSTEM LOAD-DUMP
MAX5098A toc34
100ms/div
V
OUT1
AC-COUPLED
100mV/div
V+
10V/div
GATE
10V/div
IN_HIGH
10V/div
0V
0V
0V
0V
0V
V
IN
50V/div
Seitenansicht 9
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