LT3970IMS-5#PBF Linear Technology, LT3970IMS-5#PBF Datasheet - Page 6

• Manufacturer Part Number: LT3970IMS-5#PBF
• Description: IC BUCK 5V 0.35A 10MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT3970IMS-5#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 350mA
• Frequency - Switching: 200kHz ~ 2.25MHz
• Voltage - Input: 4.2 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LT3970/LT3970-3.3/LT3970-5
TYPICAL PERFORMANCE CHARACTERISTICS
6
150
1.0
0.8
0.4
0.2
250
200
100
0.6
5.0
4.5
4.0
3.5
3.0
2.5
0
–50
0
Catch Diode Forward Voltage
Switch V
vs Temperature
0
Minimum Input Voltage,
V
FRONT PAGE APPLICATION
V
OUT
TO START/RUN
OUT
–25
50
= 3.3V
= 3.3V
CATCH DIODE CURRENT (mA)
100
0
CESAT
100
LOAD CURRENT (mA)
TEMPERATURE (°C)
25
150
(I
200
SW
50
200
= 200mA)
75
250
300
100 125 150
300
–50°C
25°C
125°C
150°C
3970 G20
3970 G14
3970 G17
400
350
100
400
300
200
6.5
6.0
5.5
5.0
4.5
4.0
20
16
12
8
4
0
0
–50
0
0
Minimum Input Voltage,
V
Catch Diode Leakage
Switch V
TO RUN
V
FRONT PAGE APPLICATION
V
OUT
R
OUT
–25
= 12V
50
= 5V
= 5V
100
0
100
SWITCH CURRENT (mA)
CESAT
TO START
LOAD CURRENT (mA)
TEMPERATURE (°C)
25
200
150
50
200
300
75
250
100 125
400
300
T
A
3970 G18
3970 G21
3970 G15
= 25°C, unless otherwise noted.
350
150
500
1.2
1.0
0.8
0.6
0.4
0.2
89
92
91
90
88
16
14
12
10
0
8
6
4
2
–50
0
0
Boost Diode Forward Voltage
Power Good Threshold
BOOST Pin Current
–25
100
BOOST DIODE CURRENT (mA)
50
0
SWITCH CURRENT (mA)
TEMPERATURE (°C)
25
200
100
50
300
75
100 125 150
150
400
–50°C
25°C
125°C
150°C
3970 G19
3970 G22
3970 G16
3970fa
200
500