Datasheet

  
   
SLVS167C − SEPTEMBER 1998 − REVISED − MAY 1999
18
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 27
0.4
0.3
0.2
0.1
2457
− Pass-Element Resistance −
0.5
PASS-ELEMENT RESISTANCE
vs
INPUT VOLTAGE
0.6
910
368
T
A
= 25°C
V
I(FB)
= 1.12 V
r
DS(on)
Ω
V
I
− Input Voltage − V
1
0.9
0.8
0.7
1.1
I
O
= 500 mA
I
O
= 100 mA
Figure 28
1.08
1.07
1.06
1.05
− Minimum Input Voltage For Valid RESET − V
1.09
MINIMUM INPUT VOLTAGE FOR VALID RESET
vs
FREE-AIR TEMPERATURE
1.1
−50 −25 0 25 50 75 100 125
V
I
T
A
− Free-Air Temperature − °C
Figure 29
− Negative-Going Reset Threshold − mV
NEGATIVE-GOING RESET THRESHOLD
vs
FREE-AIR TEMPERATURE
15
10
5
0
−5
−10
−15
V
IT−
T
A
− Free-Air Temperature − °C
−50 −25 0 25 50 75 100 125
Figure 30
2
1.5
0.5
0
0123456
− RESET Output Current − mA
2.5
3.5
RESET OUTPUT CURRENT
vs
INPUT VOLTAGE
4
78910
1
3
I
OL
V
I
− Input Voltage − V
I
L
= 10 mA
V
OL
≤ 0.4 V
T
A
= 25°C
3.3-V Regulator