MIC2549A-1YN Micrel Inc, MIC2549A-1YN Datasheet - Page 7

• Manufacturer Part Number: MIC2549A-1YN
• Description: Programmable Current Limit High-Side Switch With Over-Temperature Latch ( )
• Manufacturer: Micrel Inc
• Type: High Sider

Specifications of MIC2549A-1YN

• Input Type: Non-Inverting
• Number Of Outputs: 1
• On-state Resistance: 35 mOhm
• Current - Peak Output: 3A
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Characteristics
April 2004
MIC2545A/2549A
140
120
100
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
80
60
40
20
40
39
38
37
36
35
34
33
32
31
30
0
0
2.5
-40 -20
2.5
-40 -20
Control Threshold Voltage
On-State Supply Current
R
C
Output On-Resistance
L
L
3.0
3.0
3.3V
= 44
= 0 F
vs. Supply Voltage
SUPPLY VOLTAGE (V)
vs. Supply Voltage
SUPPLY VOLTAGE (V)
TEMPERATURE ( C)
TEMPERATURE ( C)
Output Fall Time
vs. Temperature
vs. Temperature
2.7V
0
HIGH
0
3.5
3.5
5.0V
20 40 60 80 100
20 40 60 80 100
4.0
4.0
LOW
3.3V
T
4.5
4.5
2.7V
T
A
A
= 27 C
5.0V
= 27 C
5.0
5.0
5.5
5.5
3500
3000
2500
2000
1500
1000
500
0.5
0.4
0.3
0.2
0.1
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
50
45
40
35
30
25
0
0
-40 -20
-40 -20
-40 -20
0
Control Threshold Voltage
R
Off-State Supply Current
Output On-Resistance
L
I
LIMIT
= 44
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
vs. Temperature
vs. Temperature
vs. Temperature
150
2.7V
Current Limit
0
0
0
LOW
vs. Rset
HIGH
R
20 40 60 80 100
20 40 60 80 100
20 40 60 80 100
7
I
SET
SHORT
300
3.3V
( )
3.3V
I
TH
V
5.0V
450
IN
= 5V
5.0V
2.7V
600
3500
3000
2500
2000
1500
1000
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
140
120
100
500
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
60
40
20
0
0
0
0
-40 -20
2.5
2.5
0
On-State Supply Current
Off-State Supply Current
R
3.0
3.0
1.0
SET
vs. Supply Voltage
SUPPLY VOLTAGE (V)
vs. Supply Voltage
SUPPLY VOLTAGE (V)
vs. Output Voltage
OUTPUT VOLTAGE (V)
TEMPERATURE ( C)
vs. Temperature
Output Current
0
= 230
3.5
3.5
2.0
Rise Time
5.0V
2.7V
20 40 60 80 100
4.0
4.0
3.0
R
SET
R
T
T
4.5
4.5
4.0
SET
A
A
R
= 92
L
= 27 C
= 27 C
V
= 44
IN
= 460
3.3V
5.0
5.0
5.0
M9999-041204
= 5V
5.5
5.5
6.0
Micrel