TPS55065-Q1 Datasheet, PDF (14/30 Pages) Texas Instruments – BUCK/BOOST SWITCH-MODE REGULATOR

TPS55065-Q1
SLIS132 – OCTOBER 2008 ............................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
85
SCR: 10, V _(driver) = 11 V
SCR: 11, V_(driver) = 11 V
80
75
70
65
SCR: 10, V _(driver) = 17 V
SCR: 00, V _(driver) = 17 V
60
SCR: 01, V _(driver) = 17 V
SCR: 00, V _(driver) = 11 V
SCR: 01, V _(driver) = 11 V
55
SCR: 11, V_(driver) = 17 V
50
100
150
200
250
300
350
400
450
500
I_O - Output Current - mA
NOTE: The average converter efficiency with four different slew rate controls (SCRx) on the Q1 switching FET with input voltage V_(driver) =
11 V and 17 V, T_A = 125°C.
Figure 5. Converter Efficiency
V(L1)
Input Current
(200 mA/div)
G005
Figure 6. Input Current With Slope Control, SCR0 = 0, SCR1 = 0,
Input-Current Slew Rate = 2.8 A/µs, I_L = 500 mA, V_(driver) = 15 V
14
Submit Documentation Feedback
Copyright © 2008, Texas Instruments Incorporated