MIC3203-1YM Micrel Inc, MIC3203-1YM Datasheet - Page 6

• Manufacturer Part Number: MIC3203-1YM
• Description: IC LED DRIVER CTLR HB 8SOIC
• Manufacturer: Micrel Inc
• Type: HBLED Driverr

Specifications of MIC3203-1YM

• Constant Current: Yes
• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: General Purpose
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 1.5MHz
• Voltage - Supply: 4.5 V ~ 42 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Operating Temperature: -40°C ~ 125°C
• Internal Switch(s): No
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Current - Output / Channel: -
• Other names: 576-3660-5; MIC3203-1YM

Typical Characteristics (Continued)
Micrel, Inc.
March 2010
6.0
5.0
4.0
3.0
2.0
1.0
0.0
40
35
30
25
20
15
10
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-5
5
0
-40
0
0
5
-20
5
VCC vs. Input Voltage
TA = 25°C
ILED = 0A
Shutdown Current
vs. Input Voltage
10
vs. Temperature
10
Supply Current
INPUT VOLTAGE (V)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
0
VIN = 12V
ILED = 0A
TA = 25°C
ILED = 0A
ICC = 0A
15
15
20
20
20
40
25
25
60
30
30
80
35
35
100
40
40
120
45
45
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
160
140
120
100
80
60
40
20
0
-40
0
0
-20
5
5
vs. Enable Voltage
TA = 25°C
ILED = 0A
ICC = 0A
Enable Threshold
Enable Current
vs. Temperature
vs. Input Voltage
10
ENABLE VOTLAGE (V)
10
TEMPERATURE (°C)
INPUT VOLTAGE (V)
0
15
15
20
VCC
6
20
20
VIN = 12V
ICC = 0A
40
25
25
TA = 25°C
60
30
30
80
35
35
100
40
40
120
45
45
250
200
150
100
200
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
-40
0
0
-20
5
5
Current-Sense Voltage
VCS_MIN
vs. Input Voltage
10
10
Enable Threshold
TEMPERATURE (°C)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
vs. Temperature
0
vs. Input Voltage
OFF
15
ICC Limit
15
20
TA = 25°C
VCC = 4.2V
ILED = 0A
20
20
40
M9999-032910-A
25
25
ON
60
30
30
VCS_MAX
L = 100µH
ILED = 1A
80
MIC3203
35
35
100
40
40
120
45
45