L5994 STMicroelectronics, L5994 Datasheet - Page 22

• Manufacturer Part Number: L5994
• Description: IC CTRLR PS ADJ TRPL-OUT 32-TQFP
• Manufacturer: STMicroelectronics

Specifications of L5994

• Pwm Type: Current Mode
• Number Of Outputs: 3
• Frequency - Max: 345kHz
• Duty Cycle: 96%
• Voltage - Supply: 4.75 V ~ 25 V
• Buck: Yes
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 140°C
• Package / Case: 32-TQFP, 32-VQFP
• Frequency-max: 345kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L5994 - L5994A
Component list
Table shows the complete L5994/ L5994A Evaluation Kit parts list. Critical components characteristics are given in detail.
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Transistors Q1,Q2
Capacitors C1,C4
Magnetics T1
Resistors
Jumper
Diodes
IC
C3,C7,C8,C20
C9,C15
C10,C11,C13,C14
C16,C17,C23
C18,C19
C21,C27
C22,C24
C25
C26 (L5994A only)
C28,C29
C30,C31
L1
L2
R1,R2,R3,R4
R5
R6
R7,R8
R9,R15
R10,R11,R12,R13,R14
R16
R17,R18,R19,R20
R21,R22,R23,R24
R25
R26
R27
R28
R33,R34
C2,C6
Q3,Q4
Q5
D1,D2
D3,D4
D5
D6 (L5994A only)
U1
G1
G2,G3,G4
0.02
5.6k
3.3k
3.9k
47k
1M
4.7
N.C.
2
8.2K
2.2K
0
1K
4.7
47
1
1
N.C.
330
100n
22n
4.7
100n
N.C.
15
N.C.
47n
10
10
10
SI4410
SI4410
BC807
STPS340S
BAR18
N.C.
STPR120A
L5994/
L5994A
SHORTED
OPEN
Ceramic
1W - 1% DALE WSL-2512
0.1W - 1%
0.1W - 1%
0.1W - 1%
0.1W
0.1W
1/4W
0.1W
1/4W
1/4W
1/4W
1/4W
1/4W
1/4W
SANYO - OS-CON 25V -
25SC47M
Ceramic 25V
Ceramic
KEMET 10V - T510
Ceramic
Tantalium 16V
Ceramic
SANYO - OS-CON 25V -
25SC15M
Ceramic
Ceramic
Transpower Technologies
TTI5870
(only for L5994A)
SUMIDA CDR125-100 (only for
L5994)
SUMIDA CDR125-100
SMD - 2512
SMD - 0603
SMD - 0603
SMD - 0603
SMD - 0603
SMD - 0603
SMD - 1206
SMD - 0603
SMD - 0603
SMD - 0603
SMD – 0603
SMD – 0603
SMD - 0603
SMD - 1206
Radial 10 - 5
SMD - 1206
SMD - 1206
TANTD
TANTD
SMD - 0603
SMD - 0603
SMD - 3528
SMD - 0603
Radial 8 - 2.5
Radial 8 - 2.5
SMD - 0603
SMD - 0603
SO8
SO8
SOT23
SMC
SOT23
SMA
SMA
TQFP32