mic2292c Micrel Semiconductor, mic2292c Datasheet - Page 4

• Manufacturer Part Number: mic2292c
• Description: Mic2292c/mic2293c High Frequency Pwm White Led Drivers With Internal Schottky Diode And Ovp
• Manufacturer: Micrel Semiconductor

Typical Characteristics
Micrel, Inc.
September 2006
1.4
1.2
1.0
0.8
0.6
0.4
0.2
2.5
1.5
0.5
1.6
1.2
0.8
0.4
100
-40 -20
-40
99
98
97
96
95
94
93
92
91
90
0
2
1
0
2
0
30 40 50 60 70 80 90 100
0
Switch Frequency
Switch Frequency
Schottky Reverse
TEMPERATURE (°C)
TEMPERATURE (°C)
Leakage Current
V
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
2
Feedback Voltage
R
0
vs. Input Voltage
V
0
= 25V
R
V
= 16V
4
R
20
= 10V
V
40
IN
40
6
(V)
60
8
80
80 100
10
120
12
600
500
400
300
200
100
550
500
450
400
350
300
0
50
45
40
35
30
25
20
15
10
0
-50
5
0
5
4
3
2
1
0
Switch Saturation Voltage
-40
0
I
I
I
E N
E N
E N
100
EN Pin Bias Current
= 10V
= 4.2V
= 3.0V
2
Saturation Voltage
Shutdown Voltage
TEMPERATURE (°C)
vs. Temperature
TEMPERATURE (°C)
vs. Input Voltage
vs. Temperature
vs. Current
0
200
V
0
I
IN
4
SW
= 2.5V
I
4
V
E N
(mA)
IN
40
300
6
I
= 3.6V
S W
(V)
V
50
= 500mA
IN
8
400
= 5V
80
10
500
100
120
12
SCHOTTKY FORWARD VOLTAGE DROP (mV)
700
600
500
400
300
200
100
0
900
850
800
750
700
650
600
5
4
3
2
1
0
-40
0
V
IN
Schottky Forward
= 2.5V
2
Quiescent Current
Voltage Drop
TEMPERATURE (°C)
vs. Input Current
vs. Temperature
0
Current Limit
4
V
IN
40
6
(V)
MIC2292/93C
M9999-090706
8
80
10
120
12