Datasheet

2.5
5.5
V
IN
(V)
400
1100
SWITCHING FREQUENCY (kHz)
3.0 3.5 4.0 4.5 5.0
500
600
700
800
900
1000
500 kHz
1 MHz
2.5
3.0 3.5 4.0 4.5 5.0 5.5
V
IN
(V)
200
260
I
Q
(disabled) (PA)
220
240
-40°C
25°C
85°C
125°C
2.5
3.0 3.5 4.0 4.5 5.0 5.5
V
IN
(V)
FEEDBACK VOLTAGE (V)
0.7990
0.7995
0.8000
0.8005
0.8010
5.00
5.25
5.50
5.75
6.00
6.25
6.50
PEAK CURRENT LIMIT (A)
-50
-25 0 25 50 75 100 125
TEMPERATURE (°C)
V
IN
= 3.3V
V
IN
= 5.0V
2.5
3.0 3.5 4.0 4.5 5.0 5.5
V
IN
(V)
1.3
1.4
1.5
1.6
1.7
1.8
I
Q
OPERATING (mA)
-40°C
25°C
85°C
125°C
20
25
30
35
40
45
50
NMOS R
DSON
(m:)
-50
-25 0 25 50 75 100 125
TEMPERATURE (°C)
V
IN
= 3.3V
V
IN
= 5.0V
LM2854
SNVS560C –MARCH 2008–REVISED APRIL 2013 www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified, the following conditions apply: VIN = PVIN = AVIN = EN = 5.0V, C
IN
is 47 µF 10V X5R ceramic
capacitor, L
O
is from TDK SPM6530T family; T
AMBIENT
= 25°C for efficiency curves, bode plots and waveforms, and T
J
= 25°C
for all others.
NMOS R
DS(ON)
vs. Temperature I
Q
(operating) vs. V
IN
and Temperature
Figure 8. Figure 9.
Peak Current Limit vs. Temperature Feedback Voltage vs. V
IN
Figure 10. Figure 11.
I
Q
(disabled) vs. V
IN
and Temperature, EN = 0V Switching Frequency vs. V
IN
Figure 12. Figure 13.
6 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: LM2854