AP7173 Datasheet, PDF (9/15 Pages) Diodes Incorporated – 1.5A LOW DROPOUT LINEAR REGULATOR WITH PROGRAMMABLE SOFT-START

AP7173
1.5A LOW DROPOUT LINEAR REGULATOR WITH
PROGRAMMABLE SOFT-START
Typical Performance Characteristics (Continued)
At T_A = +25℃, V_IN = V_OUT(TYP) + 0.3V, V_VCC = 5V, I_OUT = 50mA, V_EN = V_IN, C_IN = 1µF, C_VCC = 4.7µF, and C_OUT = 10µF, unless otherwise noted.
V_IN LINE TRANSIENT
V_VCC LINE TRANSIENT
Figure 15
OUTPUT LOAD TRANSIENT
Figure 16
TURN-ON RESPONSE
Figure 17
VCC PIN CURRENT vs.
I_OUT AND TEMPERATURE (T_A)
2.0
1.8
1.6
25^oC
1.4
125^oC
1.2
1.0
0.8
0.6
-40^oC
0.4
0.2
0.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Iout(A)
Figure 19
Figure 18
VCC PIN CURRENT vs.
V_VCC AND TEMPERATURE (T_A)
2.0
1.8
1.6
1.4
25^oC
125^oC
1.2
1.0
0.8
0.6
-40^oC
0.4
0.2
0.0
2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8 5.2 5.6
Vvcc(V)
Figure 20
AP7173 Rev. 4
9 of 15
www.diodes.com
MARCH 2008
© Diodes Incorporated