15/25
L6995
POWER SECTION
Notes: 1. N.M.=Not M ounted
2. Th e demoboard wi t h this com ponent list is set to giv e: V
OUT
= 1.25V, F
SW
= 270kHz with an input volt age around V
IN
= 20V with
the integr ator feature, and wi t h 20A conti nuos output current.
3. All capacitors are in tended c eramic t ype othe rwi se spec i f i ed.
Part name Value Dimension Notes
C21 47pF 0603
C22 220nF 0805
C23 0603 N.M.
C24 1nF 0603
C25 1uF Tantalum
DIODES
D1 BAT54 25V
OUTPUT CAPACITORS
C10-C11-C12 3X330uF EEFUE0D331R
PANASONIC
Output capacitor C8, C9 N.M.
INPUT CAPACITORS
C13, C14, C16, C17,
C15 C18
10uF C34Y5U1E106Z
TOKIN
Input capacitor
10uF C3225Y5V1E106Z
TDK
Part name Value Dimension Notes
10uF ECJ4XF1E106Z
PANASONIC
10uF TMK325F106ZH
TAIYO YUDEN
INDUCTOR
L1 0.6µH ETQP6F0R6BFA
PANASONIC
0.6µH A959ASR60N
TOKO
0.6µH DXM1306-R60-T COEV
0.6µH CEP12D38H0R6 SUMIDA
POWER MOS
Q1,Q2 STS11NF 3LL STMicroe lectro nics Q3 N.M.
STSJ25NF 3LL STMicroe lectro nics Q3 N.M.
Q5,Q6 STS25NH 3LL STM icroe lectro nics Q4 N.M.
DIODE S
D2 STPS3L4 0U STM icroe lectro nics 2 5V
INTEGRATED CIRCUIT
U1 LM317L D Linear regula tor
U2 L 6995
Switcher
