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EY1501DI-ADJ Datasheet, PDF (7/13 Pages) Altera Corporation – EY1501DI-ADJ High Performance 1A LDO
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Page 7
Typical Operating Performance
Unless otherwise noted: VIN = 2.2V, VOUT = 1.8V, CIN = COUT = 10µF, TJ = +25°C, IL = 0A. (Continued)
3.5
2.5
VOLTAGE RAILS AT 50mV/DIV
2.0
6V
1.5
2.2V
VIN = 3.7V, VOUT = 3.3V, COUT = 10µF, CPB = 100pF
1.0
VIN = 2.9V, VOUT = 2.5V, COUT = 10µF, CPB = 82pF
VIN = 2.5V, VOUT = 1.8V, COUT = 10µF, CPB = 82pF
0.5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
JUNCTION TEMPERATURE (°C)
FIGURE 10. CURRENT LIMIT vs TEMPERATURE (VOUT = 0V)
VIN = 2.5V, VOUT = 1.5V, COUT = 22µF, CPB = 150pF
VIN = 2.5V, VOUT = 1.2V, COUT = 47µF, CPB = 270pF
VIN = 2.5V, VOUT = 1.0V, COUT = 47µF, CPB = 220pF
1A
1mA
di/dt = 4A/µs
TIME (20µs/DIV)
FIGURE 9. LOAD TRANSIENT RESPONSE
EN
(2V/DIV)
VOUT (1V/DIV)
SS (1V/DIV)
POK (1V/DIV)
(500µs/DIV)
FIGURE 11. EN START-UP (Css = 2.2nF)
90
80
500mA
70
1A
60
50
100mA
0mA
40
30
20
10
Cpb = 82pF
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 12. PSRR vs FREQUENCY AND LOAD CURRENT
90
80
COUT = 10µF, Cpb = 82pF
70
COUT = 100µF
60
50
40
30
20
10
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 13. PSRR VS FREQUENCY AND OUTPUT CAPACITANCE (IOUT =
100MA)
May 2014 Altera Corporation
10039
Enpirion Power Datasheet EY1501DI-ADJ High Performance 1A LDO
May 28, 2014
Rev A
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