STLD40DPUR datasheet(6/16 Pages) STMICROELECTRONICS

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Electrical characteristics

STLD40D

6/16

Doc ID 12203 Rev 7

Electrical characteristics

TJ = - 40 °C to 85 °C, VI = 3.6 V, VEN = 3 V, CI = 2.2 µF, CO = 4.7 µF, L = 4.7 µH, RLED = 8 Ω

VO = 32 V, typ. values @ 25 °C, unless otherwise specified.

Table 5.

Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Input voltage range

3.0

5.5

Output voltage range

Regulated output current

VO = 36 V (10 white LEDs)

ISD

Stand-by current

VEN = Low, VI = 3.6 V, TJ = 25 °C

µA

VEN = Low, VI = 3 V to 4.2 V

Quiescent current

VI = 3 V to 4.2 V, TJ = 25 °C

0.4

0.8

VI = 5.5 V, TJ = 25 °C

0.8

1.2

RDSON

Boost switch RDSON

VI = 5.5 V, I = 100 mA

0.4

VI = 4.2 V, I = 100 mA

0.4

VI = 3.0 V, I = 100 mA

0.5

BVDS breakdown voltage

ILIM-ADJ

Maximum peak inductor limit

adjust range (1)

RSET = 12 kΩ to 100 kΩ

0.2

ILIM

Maximum peak inductor limit

when RSET = VI

(1)

VI = 3 V to 5.5 V

0.75

1.1

VFB

Feedback voltage

VI = 3.6 V

130

165

200

Line FB

Line feedback voltage

VI = 3 V to 5.5 V

TON_MAX Maximum ON time

VI = 4.2 V

5.5

µs

TOFF_MIN Minimum OFF time

VI = 4.2 V

250

Efficiency at VI = 3.0 VDC

(1)

IO = 20 mA, VO = 36 VDC

Efficiency at VI = 5.5 VDC

(1)

IO = 20 mA, VO = 36 VDC

OVP

Over voltage protection

OVHYS

Over voltage hysteresis

1.5

VEN

Enable input logic low

Disable Low VIL

0.3

Enable input logic high

Enable High VIH

1.2

Guaranteed by design.

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