MIC39300/39301
Micrel
2.60
OUTPUT VOLTAGE (V)
2.58
2.56
2.54
2.52
2.50
2.48
2.46
2.44
Output Voltage vs.
Temperature
6
5
4
3
2
1
Error Flag
Pull-Up Resistor
ENABLE CURRENT
µA)
12
10
8
6
4
2
Enable Current
vs. Temperature
V
IN
= V
OUT
+ 1V
V
EN
= 2.4V
V
IN
= 5V
FLAG VOLTAGE (V)
FLAG HIGH
(OK)
I
LOAD
= 10mA
(typical 2.5V device)
2.42
2.40
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
FLAG LOW
(FAULT)
1
10 100 100010000
RESISTANCE (kΩ)
0
0.01 0.1
0
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
250
FLAG VOLTAGE (mV)
200
150
100
50
Flag-Low Voltage
vs. Temperature
FLAG-LOW
VOLTAGE
Line Transient
Response
Output Voltage
(50mV/div.)
V
OUT
= 2.5V
I
L
= 10mA
C
OUT
= 47µF
V
IN
= 2.25V
R
PULL-UP
= 22kΩ
Input Voltage
(2V/div.)
0
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
5V
3.3V
TIME (100µs/div.)
Load Transient
Response
Output Voltage
(200mV/div.)
Load Transient
Response
Output Voltage
(100mV/div.)
V
IN
= 3.3V
V
OUT
= 2.5V
C
OUT
= 47µF
3A
V
IN
= 3.3V
V
OUT
= 2.5V
C
OUT
= 100µF
3A
Load Current
(1A/div.)
Load Current
(1A/div.)
10mA
100mA
TIME (500µs/div.)
TIME (500µs/div.)
MIC39300/39301
6
March 2000
MICREL [ MICREL SEMICONDUCTOR ]
