L4970A STMicroelectronics, L4970A Datasheet - Page 2

• Manufacturer Part Number: L4970A
• Description: IC BUCK SYNC ADJ 10A MULTIWATT15
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L4970A

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5.1 ~ 40 V
• Current - Output: 10A
• Frequency - Switching: 200kHz
• Voltage - Input: 15 ~ 50 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: Multiwatt-15 (Vertical, Bent and Staggered Leads)
• Power - Output: 30W
• Output Voltage: 40 V
• Output Current: 10 A
• Input Voltage: 15 V to 50 V
• Switching Frequency: 180 KHz to 220 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: Through Hole
• Duty Cycle (max): 90 %
• Current, Input Bias: 0.4 μA
• Current, Output: 10 A
• Current, Supply: 13 mA
• Frequency, Oscillator: 200 kHz
• Package Type: Multiwatt
• Power Dissipation: 30 W
• Regulation, Line: 10 mV
• Regulation, Load: 20 mV
• Regulator Type: Switching
• Resistance, Thermal, Junction To Case: 1 °C/W
• Temperature, Operating, Range: -40 to +150 °C
• Voltage, Dropout: 1.1 V
• Voltage, Gain: 60 dB
• Voltage, Input: 50 V
• Voltage, Offset: 2 mV
• Voltage, Output: 5.1 V
• Voltage, Output, High: 5.5 V
• Voltage, Output, Low: 0.9 V
• Voltage, Supply, Rejection Ratio: 80 dB
• No. Of Outputs: 1
• Power Dissipation Pd: 30W
• No. Of Pins: 15
• Filter Terminals: Through Hole
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1410-5

L4970A
ABSOLUTE MAXIMUM RATINGS
PIN CONNECTION (Top view)
THERMAL DATA
2/21
V
5
Symbol
R
, V
R
Symbol
th j-case
V
th j-amb
T
10,
3
j
P
, T
V
V
V
V
V
I
I
, V
I
I
I
10
12
7
4
5
tot
V
9
9
7
6
4
stg
11,
12
V
13
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Input Voltage
Input Operating Voltage
Output DC Voltage
Output Peak Voltage at t = 0.1 s f = 200KHz
Maximum Output Current
Bootstrap Voltage
Bootstrap Operating Voltage
Input Voltage at Pins 3, 12
Reset Output Voltage
Reset Output Sink Current
Input Voltage at Pin 5, 10, 11, 13
Reset Delay Sink Current
Error Amplifier Output Sink Current
Soft Start Sink Current
Total Power Dissipation at T
Junction and Storage Temperature
Parameter
Parameter
case
< 120°C
max
max
Value
35
1
Internally Limited
-40 to 150
V
Value
9
55
50
65
12
50
50
30
30
30
-1
-7
+ 15
7
1
°C/W
°C/W
Unit
Unit
mA
mA
mA
°C
W
V
V
V
V
V
V
V
V
V
A