LTC3890EGN-1#TRPBF Linear Technology, LTC3890EGN-1#TRPBF Datasheet - Page 7

• Manufacturer Part Number: LTC3890EGN-1#TRPBF
• Description: IC BUCK SYNC ADJ DUAL 28SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3890EGN-1#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 24 V
• Frequency - Switching: 350kHz ~ 535kHz
• Voltage - Input: 4 ~ 60 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -

TYPICAL PERFORMANCE CHARACTERISTICS
–100
0.95
1.10
1.05
1.00
0.90
800
700
600
500
400
300
200
100
4.2
4.1
4.0
3.9
3.8
3.7
3.6
0
–75
–75
–75
TRACK/SS Pull-Up Current
vs Temperature
SENSE
vs Temperature
Undervoltage Lockout Threshold
vs Temperature
–50
–50
–50 –25
–25
–25
–
Pin Total Input Bias Current
V
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
OUT
0
0
0
FALLING
RISING
V
< INTV
OUT
25
25
25
> INTV
50
50
50
CC
– 0.5V
CC
75
75 100
75
+ 0.5V
100
100 125 150
125
125 150
38901 G22
38901 G19
38901 G25
150
1.40
1.35
1.20
1.10
1.05
1.00
1.30
1.25
1.15
356
354
352
350
348
346
344
30
25
20
15
10
5
0
–75
5
Shutdown (RUN) Threshold
vs Temperature
Shutdown Current
vs Input Voltage
Oscillator Frequency
vs Input Voltage
5
FREQ = GND
10
10
–50 –25
RUN1 RISING
15
15
RUN1 FALLING
20
20
INPUT VOLTAGE (V)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
25
25
0
30 35 40 45 50 55 60 65
30 35 40 45 50 55 60 65
25
RUN2 FALLING
50
RUN2 RISING
75
100
125 150
38901 G23
38901 G20
38901 G26
808
806
804
802
800
798
796
794
792
600
550
400
300
500
450
350
22
20
18
16
14
12
10
8
–75
–75
–75 –50
Regulated Feedback Voltage
vs Temperature
Oscillator Frequency
vs Temperature
Shutdown Current vs Temperature
V
IN
–50 –25
–50 –25
= 12V
–25
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
0
LTC3890-1
FREQ = INTV
FREQ = GND
25
25
25
50
50
50
CC
75
75
75 100 125 150
100
100 125 150
125 150
38901 G21
38901 G24
38901 G27
38901fa
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