Datasheet

I
O
- Output Current - mA
50
55
60
65
70
75
80
85
100 150 200 250 300 350 400 450 500
Efficiency - %
SCR: 11, V
(driver)
= 11 V
SCR: 10, V
(driver)
= 11 V
SCR: 01, V
(driver)
= 11 V
SCR: 00, V
(driver)
= 11 V
SCR: 11, V
(driver)
= 17 V
SCR: 10, V
(driver)
= 17 V
SCR: 01, V
(driver)
= 17 V
SCR: 00, V
(driver)
= 17 V
V(L1)
InputCurrent
(200mA/div)
G005
TPS55065-Q1
SLIS132 – OCTOBER 2008 ............................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
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
Figure 6. Input Current With Slope Control, SCR0 = 0, SCR1 = 0,
Input-Current Slew Rate = 2.8 A/ µ s, I
L
= 500 mA, V
(driver)
= 15 V
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