SNVS185D – FEBRUARY 2002 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified, V
IN
= V
O
+ 0.5V, C
IN
= C
OUT
= 2.2
μF,
C
CC
= 33 nF, T
J
= 25°C, V
SHDN
= V
IN
.
Dropout Voltage vs. Load Current
(For Different Output Voltages)
140
V
O
= 2.77V
120
160
140
25°C
Dropout Voltage vs. Load Current
(For Different Output Temperatures)
DROPOUT VOLTAGE (mV)
DROPOUT VOLTAGE (mV)
100
V
O
= 2.5V
80
V
O
= 3.3V
60
40
20
0
0
50
100
150
200
250
300
LOAD CURRENT (mA)
120
85°C
100
80
-40°C
60
40
20
0
0
50
100
150
200
250
300
LOAD CURRENT (mA)
Figure 2.
FAULT Detect Threshold vs. Load Current
180
240
220
200
I
L
= 0mA
Figure 3.
Supply Current vs. Input Voltage
FAULT DETECT THRESHOLD (mV)
160
SUPPLY CURRENT (2A)
140
FAULT = HIGH
120
100
80
FAULT = LOW
60
40
20
0
0
50
100
150
200
250
300
LOAD CURRENT (mA)
180
160
140
120
100
80
60
40
20
0
0
1
2
T
A
= 85°
C
T
A
= 25°
C
T
A
= -40°
C
3
4
5
6
INPUT VOLTAGE (V)
Figure 4.
Supply Current vs. Load Current
250
85°C
-10
Figure 5.
Power Supply Rejection Ratio vs. Frequency
0
SUPPLY CURRENT (2A)
200
25°C
150
-40°C
100
-20
PSRR (dB)
300
-30
-40
-50
50
-60
0
0
50
250
200
150
100
LOAD CURRENT (mA)
-70
10
10k
100
1k
FREQUENCY (Hz)
100k
Figure 6.
Figure 7.
4
Product Folder Links:
Copyright © 2002–2013, Texas Instruments Incorporated
TI [ TEXAS INSTRUMENTS ]
