Rev.1.11

- 7 -

q

R5421N151F

Topt=25°C

Symbol

Item

Conditions

MIN.

TYP.

MAX.

Unit

Operating input voltage

1.5

10

V

Vst

Minimum operating

Voltage for 0V charging

1.2

V

Over-charge threshold

Detect rising edge of supply

Voltage

Topt=25°C

Topt=0 to 50°C

*Note

4.225

4.220

4.250

4.250

4.275

4.280

V

V

Release voltage for over-

charge detection

4.000

4.050

4.100

V

Output delay of over-

Charge

60

75

90

ms

Over-discharge threshold

Detect falling edge of supply

Voltage

2.437

2.500

2.563

V

Output delay of over-

Discharge

7

10

13

ms

Excess current threshold

Detect rising edge of 'V-' pin

Voltage

0.17

0.20

0.23

V

Output delay of excess

Current

9

13

17

ms

Vshort

Short protection voltage

V

tshort

Output Delay of Short

protection

5

50

µs

Rshort

Reset resistance for excess

current protection

50

100

150

k

Ω

Vol1

0.35

0.5

V

Voh1

3.4

3.7

V

Vol2

0.2

0.5

V

Voh2

3.4

3.7

V

Supply current

3.0

6.0

µA

Istandby

Standby current

1.0

2.0

µA

*Note: Considering of variation in process parameters, we compensate for this characteristic related to temperature by laser-

trim, however, this specification is guaranteed by design, not production tested.