HVLED002 datasheet(7/19 Pages) STMICROELECTRONICS

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DocID028720 Rev 1

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HVLED002

Electrical characteristics

Output source current

V(VFB) = 2.3 V, V(COMP) = 5 V

-0.5

-1

VCOMP high

V(VFB) = 2.3 V; RL = 15 K between

COMP and ground

56.2

VCOMP low

V(VFB) = 2.7 V; RL = 15 K between

COMP and VREF

0.8

1.1

CURRENT SENSE SECTION

Gain

(2), (3)

3V/V

MAXCS

Maximum input signal

V(COMP) = 5.6 V

258

267

276

SVR

Supply voltage rejection

12 ≤ Vi ≤ 25 V(1)

Input bias current

-2

-10

µA

Delay to output

150

300

OUTPUT SECTION

VOL

Output low level

ISINK = 20 mA

0.1

0.4

ISINK = 200 mA

1.6

2.2

VOH

Output high level

ISOURCE = 20 mA

13.5

ISOURCE = 200 mA

13.5

VOLS

UVLO saturation

VCC = 6 V; ISINK = 1 mA

0.1

1.1

Rise time

TJ = 25 °C; CL = 1 nF(1)

150

Fall time

TJ = 25 °C; CL = 1 nF(1)

150

UNDERVOLTAGE LOCKOUT SECTION

VON

Start threshold

Increasing voltage

7.8

8.4

9.0

VOFF

Min. operating voltage after

turn-on

Decreasing voltage

7.0

7.6

8.2

PWM SECTION

Maximum duty cycle

100

Minimum duty cycle

TOTAL STANDBY CURRENT

Ist

Start-up current

0.3

0.5

Operating supply current

V(VFB) = V(COMP) = 0 V

1. These parameters, although guaranteed, are not 100% tested in production.

2. Parameter measured at the trip point of the latch with V(VFB) = 0.

3. Gain defined as : A =

V(COMP)/V(ISENSE) ; 0 ≤ V(ISENSE) ≤ 267 mV.

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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