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MAX5087_08 Datasheet, PDF (5/13 Pages) Maxim Integrated Products – 45V, 400mA, Low-Quiescent-Current Linear Regulator with Adjustable Reset Delay
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45V, 400mA, Low-Quiescent-Current
Linear Regulator with Adjustable Reset Delay
Typical Operating Characteristics (continued)
(VIN = VEN = 14V, CIN = 47µF (low ESR) COUT = 15µF, VOUT = 5V, SET = GND, TA = +25°C, unless otherwise specified.)
INPUT VOLTAGE STEP RESPONSE
MAX5087 toc10
IOUT = 50mA
VOUT
AC-COUPLED
500mV/div
STARTUP RESPONSE
MAX5087 toc11
IOUT = 5mA
VOUT
2V/div
0V
0V
26V
VIN
10V/div
6.5V
0V
VIN
10V/div
0V
400μs/div
400μs/div
ENABLE STARTUP RESPONSE
MAX5087 toc12
EN
1V/div
100μs/div
VIN = 14V
IOUT = 0
VOUT
2V/div
ENABLE STARTUP RESPONSE
MAX5087 toc13
ENABLE STARTUP RESPONSE
MAX5087 toc14
ENABLE STARTUP RESPONSE
MAX5087 toc15
EN
1V/div
EN
1V/div
EN
1V/div
0V
0V
0V
VOUT
2V/div
0V
VIN = 14V
0V
IOUT = 400mA
VOUT
2V/div
VIN = 45V
0V
IOUT = 0
VIN = 45V
IOUT = 400mA
VOUT
2V/div
100μs/div
100μs/div
100μs/div
GROUND CURRENT DISTRIBUTION
SHUTDOWN RESPONSE
MAX5087 toc16
40
0V
IOUT = 5mA
35
EN
(TA = -40°C)
150 UNITS
TESTED
1V/div
30
25
20
0V
VOUT
15
2V/div
10
5
20ms/div
0
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
IGND (μA)
GROUND CURRENT DISTRIBUTION
(TA = +125°C)
40
150 UNITS
35
TESTED
30
25
20
15
10
5
0
63 65 66 67 68 69 70 71 72 73 74 75 76
IGND (μA)
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