L4960 STMicroelectronics, L4960 Datasheet - Page 9

• Manufacturer Part Number: L4960
• Description: IC REG SW 2.5A VERT HEPTAWATT
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L4960

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5.1 ~ 40 V
• Current - Output: 2.5A
• Frequency - Switching: 100kHz ~ 150kHz
• Voltage - Input: 9 ~ 46 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Through Hole
• Package / Case: Heptawatt-7 (Vertical, Bent and Staggered Leads)
• Power - Output: 15W
• Output Voltage: 40 V
• Output Current: 2.5 A
• Input Voltage: 9 V to 46 V
• Switching Frequency: 150 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: Through Hole
• Duty Cycle (max): 100 %
• Current, Input Bias: 2 μA
• Current, Output: 2.5 A
• Frequency, Oscillator: 100 kHz
• Package Type: Heptawatt Vertical
• Power Dissipation: 15 W
• Regulation, Line: 15 mV
• Regulation, Load: 10 mV
• Regulator Type: Switching
• Resistance, Thermal, Junction To Case: 4 °C/W
• Temperature, Operating, Range: -40 to +150 °C
• Voltage, Dropout: 1.4 V
• Voltage, Gain: 55 dB
• Voltage, Input: 46 V
• Voltage, Output: 40 V
• Voltage, Output, High: 3.5 V
• Voltage, Output, Low: 0.5 V
• Voltage, Supply, Rejection Ratio: 56 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1406-5

APPLICATION INFORMATION
Figure 24. Typical application circuit
Figure 25. P.C. board and component layout of
the Fig. 24 (1 : 1 scale)
C
D
SUGGESTED INDUCTOR: L
CORE TYPE: MAGNETICS 58206 - A2 - MPP
U15/GUP15:
1
1
, C
: BYW80 OR 5A SCHOTTKY DIODE
6
, C
7
: EKR (ROE)
N TURNS: 45, WIRE GAUGE: 0.8mm (20 AWG), COGEMA 946042
N TURNS: 60, WIRE GAUGE: 0.8mm (20 AWG), AIR GAP: 1mm,
1
= 150 H at 5A
12V
15V
18V
24V
V
standard output voltages
o
Resistor values for
4.7K
4.7K
4.7K
4.7K
R3
COGEMA 969051.
6.2K
9.1K
12K
18K
R4
L4960
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