L5970D013TR STMicroelectronics, L5970D013TR Datasheet - Page 8

• Manufacturer Part Number: L5970D013TR
• Description: IC REG LDO SW STEPDOWN 1A 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L5970D013TR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 35 V
• Current - Output: 1A
• Frequency - Switching: 250kHz
• Voltage - Input: 4.4 ~ 36 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 750mW
• Dc To Dc Converter Type: Step Down
• Pin Count: 8
• Input Voltage: 36V
• Output Voltage: 1.2 to 35V
• Switching Freq: 275kHz
• Output Current: 1A
• Efficiency: 90%
• Package Type: SO
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: 15mV
• Line Regulation: 10mV
• Mounting: Surface Mount
• Input Voltage (min): 4.4V
• Operating Temperature Classification: Automotive
• Package: 8SO
• Minimum Input Voltage: 4.4 V
• Maximum Input Voltage: 36 V
• Switching Frequency: 275 KHz
• Maximum Output Current: 1 A
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• For Use With: 497-8849 - BOARD DEMO STW9N150 100W 3PHASE497-4132 - EVAL BOARD FOR L5970 SERIES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3636-2

Typical characteristics
8/16
Figure 9.
Figure 11. Shutdown current vs junction
Figure 13. Efficiency vs output current
Ishd (µA)
Iq (mA)
70
60
50
40
30
1.6
1.4
1.2
1.8
2
92
90
88
86
84
82
80
78
76
74
72
70
-50
-50
0.1
0.2
Vcc = 12V
Vcc=12V
Quiescent current vs
junction temperature
temperature
Vcc = 12V
DC = 0%
Vo=5V
0.3
Vo=3.3V
0
0
Vo=2.5V
0.4
Tj (°C)
Tj (°C)
0.5
50
50
Io (A)
0.6
0.7
100
100
0.8
0.9
150
150
1
Figure 10. Switching frequency vs
Figure 12. Efficiency vs output current
Fsw (KHz)
250
240
260
230
220
94
92
90
88
86
84
82
80
78
76
74
72
70
0.1
-50
Vcc=5V
0.2
junction temperature
0.3
Vcc = 12V
Vo = 3.3V
Vo=1.8V
Vo=2.5V
Vo=3.3V
0
0.4
0.5
Io (A)
Tj (C)
50
0.6
0.7
100
0.8
L5970D
0.9
150
1