Specifications
(both regulators)
Input voltage range 52 V (low power usage)…43 V
Output voltage range approx. 38,9…41,4 V (theoretically)
38.6…41.1 V measured
Dropout voltage at 6 A 42 V
Dropout voltage at 9.5 A 43 V
Dropout voltage at 13.5 A 44 V
Max. current 15 A peak (half sine wave)
4.8 A average
SOAR protection 15 A at 45 V in
Ripple rejection >60 dB (5 ADC)
No-load input current 27 mA (52 V in)
Bill of materials
Resistor
R1, R19 = 4.7 kΩ, 1 %, 0.6 W
R2, R21 = 150 kΩ, 1 %, 0.6 W
R3, R20 = 12 kΩ, 1 %, 0.6 W
R4, R22 = 3.3 kΩ, 5 %, 1 W, body size 5 x 12 mm max
R5, R23 = 47 Ω, 1 %, 0.6 W
R6, R7, R16, R24, R25, R34 = 1 kΩ, 1 %, 0.6 W
R8, R26 = 300 Ω, 1 %, 0.6 W
R9, R27 = 15 kΩ, 1 %, 0.6 W
R10, R28 = 100 Ω, 1 %, 0.6 W
R11, R12, R13, R29, R30, R31 = 33 Ω, 5 %, 5 W, body diam. 6.4 mm max (axial, mounted upright)
R14, R15, R32, R33 = 0.1 Ω, 10 %, 5 W (body 7.8 x 25 mm max.)
R17, R35 = 6.8 kΩ, 1 %, 0.6 W
R18, R36 = 22 kΩ, 1 %, 0.6 W
P1, P2 = 500 Ω, 0.15 W, trimmer, top adjust
Capacitor
C1, C11 = 22 uF, 20 %, 63 V, pitch 2,5 mm, diam. 6.3 mm max.
C2, C5, C12, C15 = 10 nF, 10 %, 100 V, ceramic X7R , pitch 5 mm
C3, C13 = 15 nF, 5 %, 100 V, PET, pitch 5 mm
C4, C14 = 47 nF, 10 %, 50 V, ceramic X7R, pitch 5 mm,
C6, C7, C16, C17 = 1000 uF, 20 %, 50 V, pitch 5 mm, D 12.5 mm, 5000h@105°C
(EEUFC1H102L, Panasonic)
C8, C9, C10, C18, C19, C20 = 100 nF, 10 %, 100 V, pitch 5 mm, ceramic X7R
Semiconductor/Valves
D1, D2, D4, D5 = SD101A SB00018/D8, DO-35
D3, D6 = HTR20L120CT, TO-220
LED1, LED2 = LED, green, 5 mm (T-1¾)
T1, T2, T9 = BC546B, TO-92
T3, T7, T8 = BC556B, TO-92
T4 = MJE15035, TO-220
T5, T6 = TIP36C, TO-247
T10 = MJE15034, TO-220
T11, T12 = TIP35C, TO-247
IC1, IC2 = TL431BCLPG, TO-92
Other
K1, K2, K3, K4, K5, K6 = Faston PCB tab, two pins, hole diam. 1.4 mm, 6.35 x 0.83 mm
F1, F2 = Fuse clips, 20 A, Littelfuse 01000020Z, for 5x20mm, 2 per fuse
F1, F2 = Fuse, Cartridge, fast acting, 15 A , 5 x 20 mm
HS1, HS2, HS2, HS4 = heatsink MC33271 (for T5/T6/T11/T12), 2.7 °C/W
4 x heat sink FK231SA220, 24 K/W (for T4/T10, two each)
10 x M3 washer, plain, steel
6 x M3 screw, 10 mm, pan head
6 x M3 nut