L9680 datasheet(246/277 Pages) STMICROELECTRONICS

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Electrical characteristics

L9680

246/277

DocID029257 Rev 1

3IO_VCC3V_HI

VCCBUCK output current

VCCSEL < VTH1_L_VCCSEL

LOW_POWER_MODE = 0

420

4IO_VCC3V_LO

VCCSEL < VTH1_L_VCCSEL

LOW_POWER_MODE = 1

230

5IO_VCC5V_HI

VCCSEL > VTH1_H_VCCSEL

LOW_POWER_MODE = 0

270

6dVSR_ac

Line transient response

All line, load; dt=100 μs;

Design Info

-4%

7dVLR_ac

Load transient response

All line, load; dt=100 μs;

Design Info

-4%

8RDSON_VCCBCK_HS

High side power switch

resistance

0.6



9RDSON_VCCBCK_LS

Low side power switch

resistance

0.6



IOC_HS_VCCBCK_HI

High side over current

detection

SYS_CFG(LOW_POWER_

MODE) = 0

0.59

0.75

0.9

11 IOC_HS_VCCBCK_LO

SYS_CFG(LOW_POWER_

MODE) = 1

0.4

0.56

0.7

IOCP_LS_VCCBCK

Low side positive over

current detection

VVCCBCKSW > 0

SYS_CFG(LOW_POWER_

MODE) = 0 / 1

100

13 IOCN_LS_VCCBCK_HI

Low side negative over

current detection

VVCCBCKSW = 0

LOW_POWER_MODE = 0

0.67

0.9

1.13

14 IOCN_LS_VCCBCK_LO

VVCCBCKSW = 0

LOW_POWER_MODE = 1

0.49

0.65

0.82

IOF_VCC

Open feedback current

on VCC

100

150

200

μA

VCCOV3V

VCC over voltage

detection

VCCSEL < VTH2_L_VCCSEL

3.43

3.6

VCCOV5V

VCCSEL > VTH2_H_VCCSEL

5.25

5.50

VCCUV3V

VCC under voltage

detection high

VCCSEL < VTH2_L_VCCSEL

3.0

3.17

VCCUV5V

VCCSEL > VTH2_H_VCCSEL

4.5

4.75

VCCUVL

VCC under voltage

detection low

1.8

2.2

Table 50. VCC converter DC specifications (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

L9680 Datasheet(PDF) 246 Page - STMicroelectronics

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