LTC3829EFE#PBF Linear Technology, LTC3829EFE#PBF Datasheet - Page 7

• Manufacturer Part Number: LTC3829EFE#PBF
• Description: IC BUCK SYNC ADJ 38TSSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3829EFE#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 5 V
• Frequency - Switching: 250kHz ~ 770kHz
• Voltage - Input: 4.5 ~ 38 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 38-TSSOP Exposed Pad, 38-eTSSOP, 38-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -

Typical perForMance characTerisTics
5.5
5.3
5.1
4.9
4.7
4.5
4.3
4.1
3.9
3.5
50
40
20
3.7
90
80
70
60
30
10
0
0
4
Quiescent Current vs Input
Voltage without EXTV
Maximum Current Sense Threshold
vs Common Mode Voltage
V
SENSE
1
COMMON MODE VOLTAGE (V)
14
INPUT VOLTAGE (V)
I
I
LIM
LIM
I
2
LIM
1.2
1.5
1.4
1.3
1.1
= INTV
= FLOAT
= GND
–50
TK/SS Pull-Up Current
vs Temperature
24
CC
3
CC
–25
4
0
TEMPERATURE (°C)
34
3829 G11
3829 G08
25
40
5
50
5.25
5.00
4.75
4.50
4.25
4.00
3.75
3.50
3.25
3.00
2.75
2.50
2.25
2.00
75
100
90
80
70
60
50
40
30
20
10
0
0
0
INTV
Maximum Current Sense Voltage
vs Duty Cycle
100
10
3829 G14
5
CC
125
20
Line Regulation
10
30
INPUT VOLTAGE (V)
DUTY CYCLE (%)
I
15
I
LIM
LIM
40
I
LIM
= INTV
= FLOAT
50
= GND
20
60 70
CC
25
30
80
1.3
1.1
1.4
1.2
1.0
–50
35
90
Shutdown (RUN) Threshold
vs Temperature
3829 G09
3829 G12
100
40
–25
0
TEMPERATURE (°C)
–20
–40
100
80
60
40
20
90
80
70
60
50
40
30
20
10
25
0
0
0
OFF
0
Current Sense Threshold
vs I
Maximum Current Sense Voltage
vs Feedback Voltage
(Current Foldback)
ON
50
TH
0.1
Voltage
0.5
75
FEEDBACK VOLTAGE (V)
I
0.2
LIM
100
= FLOAT
V
3829 G15
ITH
LTC3829
0.3
1
125
I
LIM
(V)
I
I
LIM
LIM
I
LIM
= INTV
I
= INTV
= FLOAT
LIM
0.4
= GND
= GND
1.5
CC
CC
0.5
3829 G10
3829 G13

3829f
0.6
2