mic3202 Micrel Semiconductor, mic3202 Datasheet - Page 3

• Manufacturer Part Number: mic3202
• Description: High-brightness Led Driver With Integrated Mosfet And High-side Current Sense
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
V
V
V
V
V
V
PGND to AGND .......................................... −0.3V to + 0.3V
Junction Temperature ................................................ 150°C
Storage Temperature Range .................... −60°C to +150°C
Lead Temperature (Soldering, 10sec) ....................... 260°C
Electrical Characteristics
V
Micrel, Inc.
Symbol
Input Supply
V
I
I
UVLO
UVLO
VCC Supply
VCC
Current Limit
V
V
V
Frequency
F
Dithering (MIC3202)
V
F
Enable Input
EN
EN
September 2010
IN
IN
LX
CS
EN
DIM
CC
S
SD
MAX
DITHER
IN
CS(MAX)
CS(MIN)
CSHYS
DITH
= V
to PGND .................................................. −0.3V to +42V
to PGND........................................ −0.3V to (V
HI
LO
to PGND ....................................... −0.3V to (V
to AGND ....................................... −0.3V to (V
to PGND ................................................ −0.3V to +6.0V
to AGND ...................................... −0.3V to (V
EN
HYS
= V
DIM
Parameter
Input Voltage Range (V
Supply Current
Shut Down Current
V
V
V
Current-Sense Upper Threshold
Current-Sense Lower Threshold
V
Current-Sense Response Time
Current-Sense Input Current
Maximum Switching Frequency
V
Frequency Dithering Range
EN Logic Level High
EN Logic Level Low
EN Bias Current
Start-up Time
IN
IN
CC
CS
CS
= 12V; C
UVLO Threshold
UVLO Hysteresis
Hysteresis
Hysteresis Dithering Range
Output Voltage
VCC
= 1.0µF; T
IN
)
(4)
J
= 25°C, bold values indicate −40°C ≤ T
(5)
(1, 2)
(5)
IN
IN
IN
IN
+ 0.6V)
+ 0.3V)
+ 0.3V)
+ 0.3V)
Condition
LX Pin = open
V
V
V
V
V
V
V
V
% of Switching Frequency
V
V
From EN Pin going high to LX
going low
EN
IN
CS
CS(MAX ) =
CS(MIN ) =
CS
CS
IN
EN
EN
Rinsing
- V
= 0V; T
= V
Rising
Falling
= 12V
= 0V
CS
IN
= 200mV
= 12V, I
3
V
V
IN
J
IN
Operating Ratings
Supply Voltage (V
Enable Voltage (V
Dimming Voltage (V
Junction Temperature (T
Junction Thermal Resistance
= from -40ºC to 85ºC
− V
− V
SOIC (θ
SOIC (θ
CS
CS
CC
= 10mA
J
≤ +125°C; unless noted.
JA
JC
) ..........................................................41°C/W
).......................................................14.7°C/W
IN
EN)
).......................................... 6.0V to 37V
DIM
.............................................. 0V to V
)
.................................................................
J
Min.
199
165
) ........................ −40°C to +125°C
6.0
3.2
4.5
2.0
(3)
Typ.
0.05
500
212
177
±12
1.2
0.1
35
60
40
±6
30
30
4
5
M9999-091710-A
Max.
37.0
1.75
225
189
4.5
5.5
0.4
60
5
3
1
1
MIC3202
0V to V
Units
MHz
mA
mV
mV
mV
mV
mV
µA
µA
µA
ns
µs
%
V
V
V
V
V
IN
IN