Datasheet

2.8 3.2 3.6 4.0 4.4 4.8 5.2
0
50
100
150
200
250
MAX LOADING (mA)
VIN (V)
VOUT = -5V
VOUT = -3.3V
VOUT = -2.5V
VOUT = -1.5V
VOUT = -0.9V
2.5 3.0 3.5 4.0 4.5 5.0 5.5
460
480
500
520
540
560
580
600
MINIMUM SWITCHING FREQUENCY (kHz)
VIN (V)
Temp = -40°C
Temp = 25°C
Temp = 125°C
0 50 100 150 200 250
30
40
50
60
70
80
EFFICIENCY (%)
LOAD (mA)
VIN = 2.8V
VIN = 3.3V
VIN = 4.0V
VIN = 5.0V
VIN = 5.5V
0 50 100 150 200 250
0.80
0.82
0.84
0.86
0.88
0.90
0.92
0.94
0.96
0.98
1.00
|VOUT| REGULATION (V)
LOAD (mA)
VIN = 2.8V
VIN = 3.3V
VIN = 4.0V
VIN = 5.0V
VIN = 5.5V
0 30 60 90 120 150 180 210
30
40
50
60
70
80
EFFICIENCY (%)
LOAD (mA)
VIN = 2.8V
VIN = 3.3V
VIN = 4.0V
VIN = 5.0V
VIN = 5.5V
0 30 60 90 120 150 180 210
1.40
1.42
1.44
1.46
1.48
1.50
1.52
1.54
1.56
1.58
1.60
|VOUT| REGULAITON (V)
LOAD (mA)
VIN = 2.8V
VIN = 3.3V
VIN = 4.0V
VIN = 5.0V
VIN = 5.5V
LMR70503
SNVS850A –JUNE 2012–REVISED APRIL 2013 www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise specified, the following conditions apply: V
IN
= 3.3 V, V
OUT
= -5.0 V, V
EN
= 1.8 V, C
IN
= 10 µF 6.3 V X5R
ceramic capacitor; C
OUT
= 2 × 22 µF 6.3 V X5R ceramic capacitor; L = 6.8 µH (VLS2012ET-6R8M); T
AMBIENT
= 25 °C.
Efficiency, V
OUT
= -1.5 V Output Regulation, V
OUT
= -1.5 V
Figure 11. Figure 12.
Efficiency, V
OUT
= -0.9 V Output Regulation, V
OUT
= -0.9 V
Figure 13. Figure 14.
Maximum Load Current Minimum Switching Frequency
Figure 15. Figure 16.
6 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links: LMR70503