L5973AD STMicroelectronics, L5973AD Datasheet - Page 4

• Manufacturer Part Number: L5973AD
• Description: IC REG SW 2A STEPDOWN 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L5973AD

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.24 ~ 35 V
• Current - Output: 2A
• Frequency - Switching: 500kHz
• Voltage - Input: 4 ~ 36 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width) Exposed Pad, 8-eSOIC. 8-HSOIC
• Power - Output: 2.25W
• Output Voltage: 35 V
• Output Current: 2 A
• Input Voltage: 4 V to 36 V
• Switching Frequency: 500 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• Low Dropout Operation: 100 % duty cycle
• For Use With: 497-4134 - EVAL BOARD FOR L5973 SERIES497-4133 - EVAL BOARD FOR L5973 SERIES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1417-5; 497-1417-5; 497-4565-5; E-L5973AD

Electrical data
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2.1
2.2
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Electrical data
Maximum ratings
Table 2.
Thermal data
Table 3.
1. Package mounted on board
Symbol
R
Symbol
thJA
V
P
T
4
V
V
V
V
STG
T
TOT
I
, V
1
8
1
3
2
J
5
Maximum thermal resistance junction-ambient
Absolute maximum ratings
Thermal data
Input voltage
Output DC voltage
Output peak voltage at t = 0.1 μs
Maximum output current
Analog pins
INH
SYNC
Power dissipation at T
Operating junction temperature range
Storage temperature range
Doc ID 9552 Rev 9
Parameter
Parameter
A
≤ 60 °C
Exposed pad
-0.3V to V
-40 to 150
-55 to 150
int. limit.
-0.3 to 4
-1 to 40
-5 to 40
HSOP8
Value
40
2.25
40
4
(1)
CC
L5973AD
°C/W
Unit
Unit
°C
°C
W
V
V
V
V
V