MIC3203-1YM Micrel Inc, MIC3203-1YM Datasheet - Page 3

• 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

Absolute Maximum Ratings
V
V
CS to PGND ........................................ −0.3V to (V
EN to AGND ........................................ −0.3V to (V
DIM to AGND ...................................... −0.3V to (V
DRV to PGND .................................... −0.3V to (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
ESD Ratings
Electrical Characteristics
V
Micrel, Inc.
Symbol
Input Supply
V
I
I
UVLO
UVLO
VCC Supply
VCC
Current Limit
V
V
V
Frequency
F
Dithering (MIC3203)
V
F
March 2010
IN
CC
IN
S
SD
MAX
DITHER
IN
CS(MAX)
CS(MIN)
CSHYS
DITH
to PGND .................................................. −0.3V to +45V
= V
HBM ...................................................................... 1.5kV
MM .........................................................................200V
to PGND ................................................ −0.3V to +6.0V
HYS
EN
= V
Parameter
Input Voltage Range (V
Supply Current
Shutdown Current
V
V
V
Current Sense Upper Threshold
Sense Voltage Threshold Low
V
Current Sense Response Time
CS Input Current
Switching Frequency
V
Frequency Dithering Range
DIM
(3)
IN
IN
CC
CS
CS
UVLO Threshold
UVLO Hysteresis
Hysteresis
Hysteresis Dithering Range
Output Voltage
= 12V; C
VCC
= 1.0µF; T
IN
)
(4)
(5)
(1)
J
= 25°C, bold values indicate −40°C ≤ T
(5)
CC
IN
IN
IN
+ 0.3V)
+ 0.3V)
+ 0.3V)
+ 0.3V)
Condition
DRV = open
V
V
V
V
V
V
V
V
% of Switching Frequency
EN
IN
IN
CS(MAX ) =
CS(MIN ) =
CS
CS
IN
rinsing
= 12V, I
− V
= 0V
Rising
Falling
CS
= 220mV
3
V
V
IN
CC
IN
Operating Ratings
Supply Voltage (V
Enable Voltage (V
Dimming Voltage (V
Junction Temperature (T
Junction Thermal Resistance
− V
= 10mA
− V
SOIC (θ
SOIC (θ
CS
CS
JA
JC
) .......................................................98.9°C/W
).......................................................48.8°C/W
J
IN
EN)
≤ +125°C; unless noted.
).......................................... 4.5V to 42V
DIM
.............................................. 0V to V
)
.................................................................
201.4
J
Min.
199
168
165
) ........................ −40°C to +125°C
4.5
3.2
4.5
(2)
Typ.
500
212
212
177
177
±12
0.5
35
50
70
±6
1
4
5
M9999-032910-A
222.6
Max.
225
186
189
4.5
5.5
1.5
42
10
3
1
MIC3203
0V to V
Units
MHz
mA
mV
mV
mV
mV
mV
mV
mV
µA
µA
ns
ns
%
V
V
V
IN
IN