Datasheet

  
   
SLVS167C − SEPTEMBER 1998 − REVISED − MAY 1999
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
I
Q
Quiescent current
vs Load current 5
I
Q
Quiescent current
vs Input voltage
6
V
DO
Dropout voltage
Adjustable regulator vs Load current 7
V
DO
Dropout voltage
3.3-V regulator
vs Load current 8
∆V
DO
Change in dropout voltage vs Free-air temperature 9
V
DO
Dropout voltage vs Output current 10
∆V
O
Change in output voltage vs Free-air temperature 11
V
O
Output voltage vs Input voltage 12
Line regulation 13
V
O
Output voltage vs Output current 14, 15
Output voltage response from enable (EN) 16
Load transient response
Adjustable regulator 17
Load transient response
3.3-V regulator
18
Line transient response
Adjustable regulator 19
Line transient response
3.3-V regulator
20
Ripple rejection vs Frequency 21
Output spectral noise density vs Frequency 22
vs Output current 23
Adjustable regulator
vs Added ceramic capacitance 24
Compensation series resistance (CSR)
Adjustable regulator
vs Output current 25
Compensation series resistance (CSR)
3.3-V regulator
vs Output current 26
Adjustable regulator vs Added ceramic capacitance 27
3.3-V regulator vs Added ceramic capacitance 28
r
DS(on)
Pass-element resistance vs Input voltage 29
V
I
Minimum input voltage for valid RESET vs Free-air temperature 30
V
IT−
Negative-going reset threshold vs Free-air temperature 31
I
OL(RESET)
RESET output current 3.3-V regulato vs Input voltage 32
t
d
Reset time delay vs Free-air temperature 33
t
d
Distribution for reset delay 34