OZ960 datasheet(6/12 Pages) O2MICRO

6 / 12 page

OZ960

OZ960-DS-1.6

Page 6

Parameter

Symbol

Test Conditions

Limits

Unit

Max. / Min. Overlap

VDDA = 5V; Tamb = 25

Min

Typ

Max

Min. Overlap between

diagonal switches

HF = 60kHz

Ca=Cb=Cc=Cd=2nF

(3)

3.0

4.5

5.5

Max. Overlap between

diagonal switches

HF = 60kHz

Ca=Cb=Cc=Cd=2nF

(3)

Brake before Make

PDR_A / NDR_B

See Table 1, below

PDR_C / NDR_D

See Table 1, below

OZ960

Parameter

Symbol

Test Conditions

Limits

Unit

Limits

Unit

Min

Typ

Max

Min

Typ

Max

Low Frequency Oscillator

Initial accuracy

fosc

LCT = 6.8nF, LPWM = 50k

(2)

160

220

250

150

220

340

Supply

SST current

ISST

4.9

7.5

µA

4.9

6.0

µA

CTIMR current

ICTIMR

2.2

3.3

4.5

µA

2.0

3.0

5.2

µA

Brake before Make

PDR_A / NDR_B

HF = 60kHz

250

380

530

250

380

565

PDR_C / NDR_D

HF = 60kHz

250

380

520

250

380

545

Threshold

Enable

1.35

1.50

1.65

1.25

1.50

1.65

Note

(1)

CT: capacitor from CT (Pin 18) to ground

RT: resistor from RT (Pin 17) to ground

Note

(2)

LCT: capacitor from LCT (Pin 15) to ground

LPWM: resistor from LPWM (Pin 13) to ground

Note

(3)

Ca: capacitor from PDR_A (Pin 19) to VDDA

Cb: capacitor from NDR_B (Pin 20) to ground

Cc: capacitor from PDR_C (Pin 12) to VDDA

Cd: capacitor from NDR_D (Pin 11) to ground

Table 1. Low Frequency Oscillator, Supply and Brake

before Make Specifications for OZ960 and OZ960

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