TYPICAL APPLICATIONS
4.75V
OUTPUT
VOLTAGE
_______
ERROR*
+5.0V
+ INPUT
VOLTAGE 1.3V
+
+
* See Application
If
_______
Figure 1. ERROR Output Timing
SPX2975
+VIN
100K
ERROR
OUTPUT
5 ______
ERROR
8
+VIN
1
VOUT
SPX2975
SHUTDOWN
INPUT
3
SD
GND
4
FB
7
1.23V
VREF
1.2 to30V
+
R1
3.3uF
.01uF
R2
Figure 2. Adjustable Regulator
+VIN
470KΩ ..
8
5 ______ +VIN
ERROR
470KΩ ..
1
VOUT
SPX2975
3
SD
R1
GND
FB
4
7
VOUT
+
1µF
R2
Latch Off When Error Flag Occurs
+VIN
ERROR
OUTPUT
SHUTDOWN
INPUT
5 ______
ERROR
8
+VIN
1
V OUT
SPX2975
3
SD
GND
FB
4
7
*VOUT= VIN
*MINIMUM INPUT-OUTPUT VOLTAGE RANGES FROM 4mV to 400mV.
DEPENDING ON LOAD CURRENT, CURRENT LIMIT IS TYPICALLY 160mA
Wide Input Voltage Range Current Limiter
Rev. 10/30/00