mic3201 Micrel Semiconductor, mic3201 Datasheet - Page 5

• Manufacturer Part Number: mic3201
• Description: High Brightness Led Driver With High-side Current Sense
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
January 2010
400
350
300
250
200
150
100
60
50
40
30
20
10
50
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
35
30
25
20
15
10
0
0
5
0
-40 -20
5
-40 -20
5
V
IN
= 12V
Shutdown Current
vs. Input Voltage
INPUT VOTLAGE (V)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
vs. Temperature
TEMPERATURE (°C)
vs. Temperature
0
vs. Input Voltage
0
T
10
10
CASE
20 40 60
20 40 60 80 100 120
R
VCC
@ 1.0A
I
DSON
OUT
= 1A @ 25°C
15
15
V
IN
80 100 120
1 LED
= 12V
20
20
250
200
150
100
800
700
600
500
400
300
200
100
180
160
140
120
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
50
80
60
40
20
0
0
0
-40 -20
-40 -20
-40 -20
5
V
Current Sense Voltage
C(Max)
V
Switching Frequency
IN
vs. Temperature
Supply Current
TEMPERATURE (°C)
Thermal Shutdown
TEMPERATURE (°C)
= 12V
vs. Temperature
TEMPERATURE (°C)
vs. Temperature
INPUT VOLTAGE (V)
0
0
0
vs. Input Voltage
ON
V
10
5
20 40 60 80 100 120
20 40 60 80 100 120
20 40 60 80 100 120
HYS
V
CS(Min)
12V Input
R
L = 22µH
CS
15
OFF
= 0.2Ω
20
500
450
400
350
300
250
200
150
100
6.0
5.0
4.0
3.0
2.0
1.0
0.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
50
0
-40 -20
-40 -20
-40 -20
Low-Side MOSFET R
V
ON
IN
ON
= 12V
Enable Threshold
TEMPERATURE (°C)
UVLO Threshold
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
vs. Temperature
0
0
0
20 40 60 80 100 120
20 40 60 80 100 120
20 40 60 80 100 120
OFF
M9999-011210-B
OFF
MIC3201
DS(ON)