MIC4833 datasheet(3/12 Pages) MICREL

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Micrel

MIC4833

October 2008

M9999-100308

(408) 955-1690

Absolute Maximum Rating (1)

Supply voltage (VDD)…………………………..-0.5V to 6.5V

Output voltage (VCS) …………..……….…... -0.5V to 130V

Switch Node (VSW)……...…………………….-0.5V to 130V

Enable Voltage (VENA, VENB) ..…...……………-0.5V to 6.5V

Voltage (VREL, VRSW, VSLEW) ......………...….…-0.5V to 6.5V

Ambient Storage Temperature (TS) …. ..... -65°C to +150°C

ESD Rating

(3)…..……………………..………ESD Sensitive

Operating Range (2)

Supply Voltage (VDD) ..………………………...2.3V to 5.8V

Panel Drive Frequency (fEL)……………..100Hz to 1500Hz

Switching MOSFET Frequency (fSW)…...35kHz to 350kHz

Enable Voltage (VENA, VENB) ……………………...0V to VDD

Junction Temperature Range (TJ) ………-40°C to +125°C

Package Thermal Impedance

θJA MLF

®-12L …………………….................... 60°C/W

Electrical Characteristics(4)

TA=25

oC, Vdd = 3.0V unless otherwise noted. Bold values indicate -40°C ≤ TJ ≤ 85°C.

Parameter

Symbol Condition

Min

Typ Max Units

Supply Voltage Range

VDD

2.3

5.8

Input Supply Current

IDD

RSW=High; VCS=105V;

ELA, ELB, COM, SLEW = Open

152

220

µA

Shutdown Current

ISD

RSW=Low; VDD=5.8v

0.1

µA

On-resistance Of Switching

Transistor

RDS(ON)

ISW=100mA, VCS=105V

6.0

12.0

Ω

Output voltage Regulation

VCS

VDD=2.3V to 5.8v

109

120

VDD=3.0V

(RSW = 1.3MΩ )

kHz

VDD=3.0V

(RSW = 450kΩ)

100

125

kHz

Boost Switching Frequency

fSw

VDD=3.0V

(RSW = 125kΩ)

250

350

450

kHz

VDD=3.0V

(REL = 1.8 MΩ) ELA, ELB = Open

175

235

295

ELA, ELB and COM Drive

Frequency

fEL

Vdd=3.0V

(REL = 712kΩ) ELA, ELB = Open

445

565

685

Switching Transistor Duty

Cycle

SLEW = Open

2.5

7.5

Output Current Drive Limit

Programmability

ISLEW

RSLEW =10kΩ

Enable Logic Threshold

VENA, VENB

0.4

1.2

Enable Logic Hysteresis

VHYS

150

Enable Input Current

IENA, IENB

0.1

µA

Notes:

Exceeding the absolute maximum rating may damage the device.

The device is not guaranteed to function outside its operating rating.

Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.

Specification for packaged product only.

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