L7986TA STMicroelectronics, L7986TA Datasheet - Page 26

• Manufacturer Part Number: L7986TA
• Description: 3A step-down switching regulator
• Manufacturer: STMicroelectronics

Specifications of L7986TA

• Low Dropout Operation: 100% duty cycle

Application informations
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Equation 31
For example with V
type II compensation network is:
In
21 kHz and the phase margin is 45°.
Figure 14
is shown the module and phase of the open loop gain. The bandwidth is about
R
1
OUT
=
1.1kΩ
=5 V, V
,
Doc ID 022098 Rev 1
IN
R
2
=24 V, I
C
=
5
150Ω
=
------------------------------------------------------------- -
2π R
O
,
⋅
=3 A, L=18 μH, C
R
4
4
⋅
C
=
C
4
4.99kΩ
4
⋅
4 BW
⋅
,
–
1
C
OUT
4
=
=330 μF, ESR=35 mΩ, the
82nF
,
C
5
=
68pF
L7986TA