MIC3201_11 Datasheet, PDF (3/16 Pages) Micrel Semiconductor – High Brightness LED Driver with High-Side Current Sense

Micrel, Inc.
MIC3201
Absolute Maximum Ratings⁽¹⁾
V_IN, V_CS to PGND/AGND ................................ -0.3V to +22V
V_DIM, V_EN to PGND/AGND ..................................-0.3V to V_IN
V_LX to PGND/AGND ................................. -0.3V to V_IN+1.0V
V_CC to PGND/AGND ..................................... -0.3V to +7.0V
V_CS to V_IN ...................................................................... 0.3V
V_PGND to V_AGND ............................................... -0.3V to +0.3V
Storage Temperature (Ts).........................–60°C to +150°C
Lead Temperature (Soldering, 10sec) ....................... 260°C
ESD Ratings (HBM)⁽³⁾ ...... ................................………..2kV
(MM)⁽³⁾......................... ...........................100V
Operating Ratings⁽²⁾
Supply Voltage (V_IN).......................................... 6.0V to 20V
Junction Temperature (T_J) .........................-40°C to +125°C
Junction Thermal Resistance
SOIC (θ_JA) ..........................................................41°C/W
SOIC (θ_JC).......................................................14.7°C/W
Electrical Characteristics⁽⁴⁾
V_IN = 12V, V_DIM = V_EN = V_IN, C_VCC = 1µF, bold values indicate –40°C≤ T_J ≤ +125°C, unless noted.
Typical values are at T_A = +25°C.
Symbol Parameter
Condition
Min
Typ
V_IN
I_S
I_SD
V_CS(MAX)
V_CS(MIN)
V_HYS
Operating Input Voltage Range
Supply Current
Shut Down Supply Current
Sense Voltage Threshold High
Sense Voltage Threshold Low
Current Sense Hysteresis
Current Sense Response Time
R_DSON
F_MAX
VCC
CS Pin Input Current
Internal Switch R_ON
Maximum Switching Frequency
VCC Regulator
LX open
V_EN = 0V
V_IN - V_CS
V_IN - V_CS
T_A = 25ºC
V_CS Rising
V_CS Falling
V_IN - V_CS = 200mV
6.0
1.2
206
171
35
100
60
300
6
EN_HI
EN_LO
DIM_HI
DIM_LO
F_DIM
T_LIM
T_LIMHYS
EN Input Voltage High
EN Input Voltage Low
EN Input Current High
EN Input Leakage Low
DIM Input Voltage High
DIM Input Voltage Low
DIM Input Current High
DIM Input Leakage Low
Maximum DIM Frequency
LX Pin Leakage Current
Over-Temperature Shutdown
Over-Temperature Shutdown Hysteresis
Start-up Time
V_EN =12V
V_EN = 0V
V_DIM =12V
V_DIM= 0V
V_IN - V_CS ≥ 250mV V_LX=V_IN
From EN Pin going high,
DIM = 12V, C_VCC = 1µF
2.0
30
2.0
22
5
165
20
300
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
4. Specification for packaged product only.
Max Units
20.0
V
1.75
mA
1
µA
224
mV
189
mV
mV
ns
ns
3
µA
550
mΩ
1.0
MHz
V
V
0.4
V
50
µA
1
µA
V
0.4
V
30
µA
1
µA
20
kHz
µA
ºC
ºC
µs
February 2011
3
M9999-021011-B