Electrical specifications

L9959

18/49

DocID027540 Rev 3

Figure 8. Output disable and enable time (DIS Input)

N

Table 14. Current feedback (CF)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VCF (1)

CF voltage range

VS > 6.5 V, OUTx = 0 A,

TJ = -40 °C; Current

level 2,3,4

0.01

0.05

0.20

V

VS > 6.5 V, OUTx =

250mA, TJ = 130 °C;

Current level 2,3,4

0.04

0.275

0.5

V

VS > 6.5 V, OUTx = 0.4 *

Iclx, TJ = 130 °C; Current

level 2,3,4

1.71

1.80

1.89

V

VS > 6.5 V, OUTx = Iclx

TJ = -40°C to 150°C;

Current level 2,3,4

3.82

4.5

5.18

V

RCF(2)

CF resistor range

-

-

5.1

-

kΩ

IOFFSET

CF offset current

-

-

10

-

μA

1. Measured at a 5.1k resistor between CF and GND (RCF).

Levels see Table 34 Current Level (CONFIG_REG).

2. Defined by design, not tested.

Note: This signal has an individual error ±5 % in each of the three currents levels, at trimming temperature of 130 °C. Additional

an individual error ±10 % in each of the three current levels over temperature and aging. So the maximum error is of

±15 % in each of the three current levels. The offset and the gain errors may be different in each current level.

The adjustment is done at 130 °C and compensates the error corresponding to 0.4 * Iclx