AP7312-1233W6-7 Datasheet, PDF (8/18 Pages) Dialight Corporation – DUAL 150mA LOW QUIESCENT CURRENT FASTTRANSIENT LOW DROPOUT LINEAR REGULATOR

AP7312
DUAL 150mA LOW QUIESCENT CURRENT FAST
TRANSIENT LOW DROPOUT LINEAR REGULATOR
Typical Performance Characteristics (Continued)
EN Pin Shutdown Response
V_IN=5V, Both I_LOAD=50mA
V_EN=0V to 5V (5V/div)
V_OUT2=2.8V (1V/div)
V_OUT1 =1.8V (1V/div)
Time (100μs/div)
PSRR vs Frequency
100
1.8V
80
60
2.8V
40
T_A=25°C
20 ^{VIN=3.8V+0.5VppAC}
C_OUT1=C_OUT2=1μF
Both I_LOAD=50mA
0
1100
100 10010k 1001000k
Frequency(Hz)
101000k0
10010M00
0
Input Quiescent current vs Input Voltage
80
Input Quiescent current vs Temperature
80
60
60
40
T_A=25°C
20 _VOUT1=1.8V
V_OUT2=2.8V
I_OUT=0mA
0
3.5
4
4.5
5
5.5
6
Input Voltage(V)
40
V_IN=V_EN=3.8V
20 _VOUT1=1.8V
V_OUT2=2.8V
I_OUT=0mA
0
-50 -25 0 25 50 75 100 125
Temperature(_℃ )
AP7312
Document number: DS35133 Rev. 2 - 2
8 of 18
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January 2011
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