Datasheet

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TPS40210, TPS40211
SLUS772E MARCH 2008 REVISED OCTOBER 2011
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DESIGN EXAMPLE 1
12-V to 24-V Non-Synchronous Boost Regulator
The following example illustrates the design process and component selection for a 12-V to 24-V
non-synchronous boost regulator using the TPS40210 controller.
Figure 30. TPS40210 Design Example 12-V to 24-V at 2-A
Table 2. TPS40210 Design Example Specifications
PARAMETER CONDITIONS MIN NOM MAX UNIT
INPUT CHARACTERISTICS
V
IN
Input voltage 8 12 14 V
I
IN
Input current 4.4
A
No load input current 0.05
V
IN(UVLO)
Input undervoltage lockout 4.5 V
OUTPUT CHARACTERISTICS
V
OUT
Output voltage 23.5 24.0 24.5 V
Line regulation 1%
Load regulation 1%
V
OUT(ripple)
Output voltage ripple 500 mV
PP
I
OUT
Output current 8 V V
IN
14 V 0.1 1 2.0
A
I
OCP
Output overcurrent inception point 3.5
Transient response
ΔI Load step 1 A
Load slew rate 1 A/μs
Overshoot threshold voltage 500 mV
Settling time 5 ms
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