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MIC4832 Datasheet(PDF) 3 Page - Micrel Semiconductor

Part No. MIC4832
Description  Low Noise 220VPP EL Driver
Download  11 Pages
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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MIC4832 Datasheet(HTML) 3 Page - Micrel Semiconductor

 
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Micrel
MIC4832
March 2009
3
M9999-033109-C
Absolute Maximum Ratings(1)
Supply Voltage (VDD)...................................... –0.5V to 6.0V
Output Voltage (VCS) ..................................... –0.5V to 120V
EL Lamp Terminals (VA, VB)................................... VCS + 3V
Switch Voltage (Vsw) ..................................... -0.5V to 120V
Frequency Control Voltage
(VRSW, VREL) ................................... –0.5V to (VDD +0.3V)
Storage Temperature (TS).........................–65°C to +150°C
ESD Rating
(4).................................................................. 2kV
Operating Ratings(2)
Supply Voltage (VDD).................................... +1.8V to +5.5V
Lamp Drive Frequency (fEL) ....................... 60Hz to 1000Hz
Switching Frequency (fSW).........................65kHz to 250kHz
Ambient Temperature (TA) .......................... –40°C to +85°C
Package Thermal Resistance
(3)
MSOP
JA) .....................................................206°C/W
MLF
® JA) .........................................................63°C/W
Electrical Characteristics(5)
VIN = VDD = 3.0V, RSW = 338KΩ, REL = 1.78MΩ. TA = 25°C unless otherwise specified. Bold values indicate –40°C ≤ TA ≤ +85°C
Parameter
Condition
Min
Typ
Max
Units
On-resistance
ISW = 100mA
3.8
7
Ohm
CS Voltage Variation
91
105
119
Enable Input Low Voltage
(turn-off)
VDD = 1.8V to 5.5V
0.5
V
Enable Input High Voltage
(turn-on)
VDD = 1.8V to 5.5V
VDD-
0.5
V
Shutdown current
RSW Resistor = LOW; REL Resistor = LOW; VDD = 5.5V
0.01
0.5
μA
Input supply current
RSW Resistor = HIGH;
REL Resistor = HIGH;
VCS = 110V; VA, VB OPEN
45
75
μA
Input current including
inductor
VIN = VDD = 3.2V; RSW = 338KΩ, REL = 1.78MΩ;
L=220µH; ROUT =10kΩ; Lamp = 2in
2
24
mA
VA – VB output drive
frequency
REL = 1.78MΩ
158
200
242
Hz
Switching transistor
frequency
RSW = 338KΩ
90
112
134
kHz
Switching transistor duty
cycle
90
%
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. The maximum allowable power dissipation of any TA (ambient temperature) is PD(max) = (TJ(max) – TA) / θJA. Exceeding the maximum allowable
power dissipation will result in excessive die temperature.
4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
5. Specification for packaged product only.


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