LT3970IMS-5#TRPBF Linear Technology, LT3970IMS-5#TRPBF Datasheet - Page 5

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

Specifications of LT3970IMS-5#TRPBF

• 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: -

TYPICAL PERFORMANCE CHARACTERISTICS
600
500
200
100
400
300
500
800
700
600
400
300
200
15
12
0
6
0
9
3
–50
–50
–50
Maximum Load Current
No-Load Supply Current
Switch Current Limit
FRONT PAGE APPLICATION
V
V
R1 = 1M
R2 = 576k
FRONT PAGE APPLICATION
V
V
LIMITED BY CURRENT LIMIT
IN
OUT
IN
OUT
–25
CATCH DIODE VALLEY CURRENT LIMIT
LIMITED BY MAXIMUM
JUNCTION TEMPERATURE;
θ
–25
–25
= 12V
= 12V
JA
= 3.3V
= 5V
= 76°C/W
SWITCH PEAK CURRENT LIMIT
0
0
0
TEMPERATURE (°C)
TEMPERATURE ( C)
TEMPERATURE (°C)
25
25
25
50
50
50
75
75
75
100
100
100 125
H GRADE
125
125
3970 G08
3970 G05
3970 G11
150
150
150
–0.05
–0.10
–0.15
–0.20
0.20
0.15
0.10
0.05
550
500
450
400
350
2.4
2.2
2.0
1.8
0.4
0.2
1.6
1.4
1.2
1.0
0.8
0.6
0
0
–50
0
5
Load Regulation
Maximum Load Current
Switching Frequency
FRONT PAGE APPLICATION
REFERENCED FROM V
FRONT PAGE APPLICATION
V
OUT
–25
50
10
= 3.3V
100
0
15
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
25
150
20
50
OUT
LT3970/LT3970-3.3/LT3970-5
200
25
AT 100mA LOAD
75
MINIMUM
TYPICAL
250
30
100 125 150
300
35
T
3970 G09
A
3870 G06
3970 G12
= 25°C, unless otherwise noted.
350
40
200
180
160
140
120
100
600
500
400
800
700
600
500
400
300
200
550
450
350
80
60
40
20
0
–50
5
0
Minimum
Switch On-Time/Switch Off-Time
Maximum Load Current
Switch Current Limit
LOAD CURRENT = 175mA
FRONT PAGE APPLICATION
V
OUT
CATCH DIODE VALLEY CURRENT LIMIT
–25
10
= 5V
MINIMUM OFF-TIME
MINIMUM ON-TIME
20
0
15
TEMPERATURE (°C)
INPUT VOLTAGE (V)
DUTY CYCLE (%)
25
40
20
CURRENT LIMIT
SWITCH PEAK
50
25
60
75
MINIMUM
TYPICAL
30
100 125 150
80
35
3970 G13
3870 G07
3970 G10
3970fa
5
100
40