MAX15008 Datasheet, PDF (9/23 Pages) Maxim Integrated Products – Automotive 300mA LDO Voltage Regulators with Tracker Output and Overvoltage Protector

Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector
Typical Operating Characteristics (continued)
(V_IN = V_{EN_} = +14V, C_IN = 10µF, C_{OUT_LDO} = 22µF, C_TRACK = C_{OUT_TRK} = 10µF, V_{OUT_LDO} = 5V, FB_LDO = SGND, T_A = +25°C,
unless otherwise specified.)
PROTECTOR GATE VOLTAGE
vs. INPUT VOLTAGE (MAX15008 ONLY)
50
45
40
35
V_GATE
30
25
20
15
10
5
V_IN
0
0 5 10 15 20 25 30 35 40
V_IN (V)
PROTECTOR STARTUP RESPONSE
(MAX15008 ONLY)
MAX15008 toc26
OVERVOLTAGE SWITCH FAULT
(MAX15008 ONLY)
MAX15008 toc27
V_IN
10V/div
V_IN
0V 10V/div
V_GATE
10V/div
I_{OUT_PROT} = 1A
V_OV = 25V
0V
0V
V_GATE
20V/div
V_{OUT_PROT}
0V
10V/div
0V V_{OUT_PROT}
I_{OUT_PROT} = 1A
20V/div
0V
10ms/div
400μs/div
V_IN
20V/div
OVERVOLTAGE LIMIT FAULT
(MAX15008 ONLY)
MAX15008 toc28
0V
V_GATE
20V/div
I_{OUT_PROT} = 1A
OV THRESHOLD = 35V
0V
V_{OUT_PROT}
20V/div
0V
40ms/div
RESET TIMEOUT DELAY
vs. C_RESET
7
6
5
4
3
2
1
0
0
2
4
6
8
10
C_RESET (nF)
RESET TIMEOUT DELAY
vs. TEMPERATURE
2.0
1.8
1.6
1.4
C_RESET = 2.2nF
1.2
1.0
0.8
0.6
0.4
C_RESET = 220pF
0.2
0
-50 -25
0 25 50 75 100 125 150
TEMPERATURE (°C)
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