TD351

Electrical Characteristics

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Electrical Characteristics

Note: 1.Recommended capacitor range on VREF pin is 10nF to 100nF

Symbol

Parameter

Test Condition

Min

Typ

Max

Unit

Input

Vton

IN turn-on threshold voltage

0.8

1.0

V

Vtoff

IN turn-off threshold voltage

4.0

4.2

V

tonmin

Minimum pulse width

100

135

220

ns

Iinp

IN Input current

IN input voltage < 4.5V

1

µA

Voltage reference - Note 1

Vref

Voltage reference

T=25°C

4.85

5.00

5.15

V

Iref

Maximum output current

10

mA

Clamp

Vtclamp

CLAMP pin voltage threshold

2.0

V

VCL

Clamp low voltage

Icsink=500mA

2.5

V

Delay

Vtdel

Voltage threshold

2.5

V

Rdel

Discharge resistor

I=1mA

500

Ω

Off Level

Iblvoff

LVOFF peak input current (sink)

LVOFF=12V

90

200

µA

Violv

Offset voltage

LVOFF=12V

-0.3

-0.15

0

V

Outputs

Isink

Output sink current

Vout=6V

1000

1700

mA

Isrc

Output source current

Vout=VH-6V

750

1300

mA

VOL1

Output low voltage 1

Iosink=20mA

0.35

V

VOL2

Output low voltage 2

Iosink=500mA

2.5

V

VOH1

Output high voltage 1

Iosource=20mA

VH-2.5

V

VOH2

Output high voltage 2

Iosource=500mA

VH-4.0

V

tr

Rise time

CL=1nF, 10% to 90%

100

ns

tf

Fall time (2 step turn-off disabled)

CL=1nF, 90% to 10%

100

ns

tdon

Turn on propagation delay

10% output change:

Rd=4.7k, no Cd

Rd=10k, Cd=220pF

1.8

2.0

600

2.2

ns

µs

tdoff

Turn off propagation delay

(2-level turn-off disabled)

10% output change

550

ns

∆tw

Input to output pulse distortion

10% output change,

∆tw=Twout-Twin

50

100

ns

Under Voltage Lockout (UVLO)

UVLOH

UVLO top threshold

10

11

12

V

UVLOL

UVLO bottom threshold

9

10

11

V

Vhyst

UVLO hysteresis

Vhyst=UVLOH-UVLOL

0.5

1

V

Supply current

Iin

Quiescent current

input low, no load

2.5

mA