LTC3631IMS8E#TRPBF Linear Technology, LTC3631IMS8E#TRPBF Datasheet - Page 5

• Manufacturer Part Number: LTC3631IMS8E#TRPBF
• Description: IC CONV STP-DWN SYNC ADJ 8-MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3631IMS8E#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 45 V
• Current - Output: 100mA
• Voltage - Input: 4.5 ~ 45 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP Exposed Pad, 8-HMSOP, 8-eMSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

Typical perForMance characTerisTics
240
220
200
180
160
140
120
100
0.6
0.5
0.4
0.1
0.3
0.2
80
60
40
20
14
12
10
8
6
2
0
0
4
–40
–40
0
Peak Current Trip Threshold
vs R
Quiescent Supply Current
vs Temperature
Switch Leakage Current
vs Temperature
V
V
V
IN
IN
IN
= 45V
= 10V
= 10V
ISET
200
–10
–10
TEMPERATURE (°C)
TEMPERATURE (°C)
400
20
20
SHUTDOWN
R
SLEEP
ISET
600
(k )
50
50
SW = 45V
800
SW = 0V
80
80
1000
110
110
3631 G10
3631 G13
3631 G16
1200
1.300
1.250
1.200
1.150
1.100
1.050
1.000
250
225
200
175
150
125
100
4.5
3.5
3.0
2.5
2.0
1.0
4.0
1.5
0.5
75
50
25
0
0
–40
0
0
Peak Current Trip Threshold
vs Input Voltage
Switch On-Resistance
vs Input Voltage
RUN Comparator Threshold
Voltages vs Temperature
5
–10
10
10
15
TEMPERATURE (°C)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
20
R
20
I
I
SET
20
SET
SET
BOTTOM
FALLING
RISING
25
= GND
= 500k
TOP
OPEN
50
30
30
35
80
40
40
110
45
3631 G17
3631 G11
3631 G14
50
50
100mA/DIV
INDUCTOR
50mV/DIV
CURRENT
VOLTAGE
VOLTAGE
OUTPUT
SWITCH
20V/DIV
14
12
10
5
4
1
3
2
0
8
6
4
2
0
–40
5
Quiescent Supply Current
vs Input Voltage
Switch On-Resistance
vs Temperature
Operating Waveforms
V
V
I
V
LOAD
IN
OUT
IN
= 36V
= 10V
= 5V
= 35mA
–10
15
SLEEP
TEMPERATURE (°C)
INPUT VOLTAGE (V)
SHUTDOWN
20
20µs/DIV
25
BOTTOM
LTC3631
TOP
50
35
80
45
110
3631 G12
3631 G15
3631 G18
3631fc
5