HV861

DS20005911B-page 4

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2023-2026 Microchip Technology Inc. and its subsidiaries

1.0

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings( †)

Supply Voltage, VDD ................................................................................................................................. –0.5V to 5.5V

Output Voltage, VCS .............................................................................................................................. –0.5V to +120V

Operating Ambient Temperature Range, TA .......................................................................................... –40°C to +85°C

Storage Temperature Range, TS ......................................................................................................... –65°C to +150°C

Power Dissipation:

16-lead WQFN (3 X 3) ................................................................................................................................. 1.6W

† Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to

the device. This is a stress rating only, and functional operation of the device at those or any other condi-

tions above those indicated in the operational sections of this specification is not intended. Exposure to

maximum rating conditions for extended periods may affect device reliability.

RECOMMENDED OPERATING CONDITIONS

Parameter

Sym.

Min. Typ. Max. Unit

Conditions

Input Voltage

VDD

2.5

—

4.5

V

Switching Frequency

fSW

40

—

200

KHz

EL Lamp Frequency

fEL

150

—

500

Hz

EL Lamp Capacitance Load

CLOAD

0

—

20

nF

Operating Ambient Temperature

TA

–40

—

+85

°C

ELECTRICAL CHARACTERISTICS

Electrical Specifications: Over recommended operating conditions unless otherwise specified.

Parameter

Sym.

Min. Typ. Max. Unit

Conditions

On-resistance of Switching Transistor

RDS(ON)

—

—

7

Ω

I = 100 mA

Maximum Output Regulation Voltage

VCS

80

90

100

V

VDD = 2.5V to 4.5V

Output Regulation Voltage

VCS

—

78

—

V

VDD = 2.5V to 4.5V,

VREG = 1.092V

—

62

—

V

VDD = 2.5V to 4.5V,

VREG = 0.862V

—

45

—

V

VDD = 2.5V to 4.5V,

VREG = 0.632V

External Input Voltage Range

VREG

0

—

1.40

V

VDD = 2.5V to 4.5V

VREF Output High Voltage

VREFH

1.12 1.26

140

V

VDD = 2.5V to 4.5V

Quiescent VDD Supply Current

IDDQ

—

—

150

nA

EN = Low

Average Sourcing Current from VREF Pin IREF(SOURCE) —

6

—

µA

VDD = 2.5V to 4.5V

Average Sinking Current from VREF Pin

IREF(SINK)

—

6

—

µA

VDD = 2.5V to 4.5V

Quiescent VDD Supply Current

IDDQ

—

—

300

nA

VDD = 2.5V,

EN1 = EN2 = PWM = low

—

—

400

nA

VDD = 3V,

EN1 = EN2 = PWM = low

—

—

500

nA

VDD = 4.5V,

EN1 = EN2 = PWM = low

Input Current going into the VDD Pin

IDD

—

—

250

µA

VDD = 2.5V to 4.5V,

REL = 2 MΩ, RSW = 825 kΩ

Input Current including Inductor Current

IIN

—

25

50

mA VIN = 3.2V See Figure 3-1.

EL Lamp Frequency

fEL

160

190

220

Hz

REL = 2 MΩ