L4960 STMicroelectronics, L4960 Datasheet - Page 3

• 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

THERMAL DATA
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, T
specified)
DYNAMIC CHARACTERISTICS
Symbol
Symbol
SVR
R
R
f
V
T
I
I
V
V
I
max
V
om
SH
V
7L
th j-case
th j-amb
f
V
V
ref
sd
V
T
o
T
d
i
f
f
ref
o
o
j
i
Output voltage range
Input voltage range
Line regulation
Load regulation
Internal reference voltage
(pin 2)
Average temperature
coefficient of refer voltage
Dropout voltage
Maximum operating load
current
Current limiting threshold
(pin 7)
Input average current
Efficiency
Supply voltage ripple
rejection
Switching frequency
Voltage stability of
switching frequency
Temperature stability of
switching frequency
Maximum operating
switching frequency
Thermal shutdown
junction temperature
Thermal resistance junction-case
Thermal resistance junction-ambient
Parameter
V
V
V
I
V
V
V
T
I
V
V
V
V
f = 100KHz
I
fripple
V
V
T
V
o
o
o
j
j
i
o
i
o
i
i
o
i
o
i
o
i
o
V
= 1A
= 2A
= 2A
= 0 C to 125 C
= 0 C to 125 C
= 46V
= 10V to 40V
= 9V to 46V
= 9V to 46V
= 9V to 46V
= 46V;
= 9V to 46V
= V
= V
= V
= V
= V
= V
i
= 2V
= 100Hz
ref
ref
ref
ref
ref
ref
to 36V
to 36V
to 36V
Parameter
rms
Test Conditions
output short-circuit
V
o
= V
I
I
I
I
V
V
Io = 1A
I
o
o
o
o
o
o
o
= 1A
= 2.5A
ref
= 0.5A to 2A
= 1A
= 2A
= V
= 12V
ref
I
o
= 1A
j
= 25 C, V
Min.
120
V
2.5
50
85
9
5
3
i
max
max
ref
= 35V, unless otherwise
Typ.
100
150
150
0.5
5.1
0.4
1.4
15
10
30
75
85
56
1
Value
50
4
Max.
115
5.2
4.5
40
46
50
30
60
3
L4960
mV/ C
Unit
C/W
C/W
Unit
KHz
KHz
mV
mV
mA
dB
%
%
%
%
V
V
V
V
A
A
3/16
C