Datasheet

TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240A – SEPTEMBER 1999 – REVISED MAY 2001
31
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 3. Bill of Materials (see Note 3)
REF PN DESCRIPTION MFG SIZE
C1opt 10TPB220M Capacitor, POSCAP, 220 µF, 10 V Sanyo 7,3 x 4,3 mm
C1 RV-35V221MH10-R Capacitor, electrolytic, 220 µF, 35 V ELNA 10 x 10 mm
C2 GMK325F106ZH Capacitor, ceramic, 10 µF, 35 V Taiyo Yuden 1210
C3 4TPB470M Capacitor, POSCAP, 470 µF, 4 V Sanyo 7,3 x 4,3 mm
C4
†
std Open, capacitor, ceramic, 2.2 µF, 16 V 805
C5 std Capacitor, ceramic, 1 µF, 16 V 805
C6 std Capacitor, ceramic, 0.01 µF, 16 V 805
C7 std Capacitor, ceramic, 220 pF, 16 V 805
C8 std Capacitor, ceramic, 100 pF, 16 V 805
C9 std Capacitor, ceramic, 1 µF, 16 V 805
C10 GMK316F225ZG Capacitor, ceramic, 2.2 µF, 35 V Taiyo Yuden 1206
C11
†
std Open 805
C12 GMK316F225ZG Capacitor, ceramic, 2.2 µF, 35 V Taiyo Yuden 1206
C13 GMK325F106ZH Capacitor, ceramic, 10 µF, 35 V Taiyo Yuden 1210
C14 Open
C14
†
opt Open 10 x 10 mm
C15
†
std Open, capacitor, ceramic, 1000 pF, 16 V 805
D1 MBRS340T3 Diode, Schottky, 40 V, 3 A Motorola SMC
D1opt MBRS130LT3 Diode, Schottky, 30 V, 1 A Motorola SMB
D2 SD103-AWDICT-ND Diode, Schottky, 40 V, 200 mA, 400 mW DigiKey 3,5 x 1,5 mm
L1 DO3316P-682 Inductor, 6.8 uH, 4.4 A Coilcraft 0.5 x 0.37 in
J1–J14 CA26DA-D36W-0FC Edge connector, surface-mount, 0.040” board, 0.090” standoff NAS Interplex 0.040”
JP1 S1132-2-ND Header, straight, 2-pin, 0.1 ctrs, 0.3” pins Sullins Digi-Key
#S1132-2-ND
JP1 Shunt 929950-00-ND Shunt, jumper, 0.1” 3M Digi-Key
#929950-00-ND
JP2 S1132-2-ND Header, straight, 2-pin, 0.1 ctrs, 0.3” pins Sullins Digi-Key
#S1132-2-ND
R1 std Resistor, 5.1 kΩ, 5 % 805
R2
†
std Open, resistor, 1 kΩ, 5% 805
R3 std Resistor, 910 Ω, 1% 805
R4 std Resistor, 1.74 kΩ, 1% 805
R5 std Resistor, 5.1 kΩ, 5% 805
R6A std Resistor, 82 kΩ, 5% 805
R6B
†
std Open, 0 Ω, 5% 805
R7 std Resistor, 1 kΩ, 5% 805
R9 std Resistor, 1 kΩ, 5% 805
R10 std Resistor, 1 kΩ, 5% 805
R11 std Resistor, 10 Ω, 5% 805
R12 std Resistor, 51 kΩ, 5% 805
R13
†
std Open 805
Q1 Si4410DY Transistor, MOSFET, n-ch, 30-V, 10-A, 13-mΩ Siliconix SO–8
Q2 Si4410DY Transistor, MOSFET, n-ch, 30-V, 10-A, 13-mΩ Siliconix SO–8
U1 TPS5103 IC, controller TI SSOP–20
†
Components for optional mode test only.
NOTE 3: This operation mode is PWM mode only. V
I
= 4.5 V to 10 V, V
O
= 1.8 V, and I
O
= 4 A (see Table 8 for other applications.)