ADD8733 datasheet(5/16 Pages) AD

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Preliminary Technical Data

ADD8733

Rev. PrA | Page 5 of 16

POSITIVE CHARGE-PUMP REGULATOR SPECIFICATIONS

VNPCP_SUP = 12 V, TA = 25°C, fOSC = 650 kHz, unless otherwise noted.

Table 3.

Parameter

Symbol

Min

Typ

Max

Unit

SUPPLY

Supply Voltage

VNPCP_SUP

OUTPUT

Output Current

IVGH

REFERENCE

FB Regulation Voltage

VNPCP_FB

2.5

NEGATIVE CHARGE-PUMP REGULATOR SPECIFICATIONS

VNPCP_SUP = 12 V, TA = 25°C, fOSC = 650 kHz, unless otherwise noted.

Table 4.

Parameter

Symbol

Min

Typ

Max

Unit

SUPPLY

Supply Voltage

VNPCP_SUP

OUTPUT

Output Voltage

VGL

(−VNPCP_SUP + 3)

−2

Output Current

IVGL

REFERENCE

Reference Voltage

VNCP_REF

2.5

FB Regulation Voltage

VNCP_FB

GATE PULSE MODULATOR SPECIFICATIONS

VSD_VIN = 12 V, VGPM_H = 28 V, VGPM_L = 12 V1, TA = 25°C, unless otherwise noted.

Table 5.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

GPM_H Voltage

VGPM__H

GPM_L + 6

GPM_H Input Current

IGPM__H

GPM_FLK = GND, GPM_DPM = logic high

TBD

μs

GPM_L Voltage

VGPM_L

GPM_H – 6

GPM_L Input Current

IGPM_L

GPM_FLK = GPM_DPM = logic high

TBD

μs

CONTROL INPUT CHARACTERISTICS

GPM_FLK Voltage Low

VLOWFLK

0.8

GPM_FLK Voltage High

VHIGHFLK

2.2

GPM_FLK Input Current

IGPM_FLK

0.9 V ≤ GPM_FLK ≤ 3.3 V

−1

μA

GPM_DPM Voltage Low

VLOWDPM

0.8

GPM_DPM Voltage High

VHIGHDPM

2.2

GPM_DPM Input Current

IGPM_DPM

0.9 V ≤ VGPM_DPM ≤ 3.3 V

−1

μA

SWITCHING CHARACTERISTICS

GPM_OUT Discharge Current

IGPM_OUT

RE = 400 Ω , GPM_L = 12 V

DELAY CHARACTERISTICS

Delay Time

tDELAY

CE = 470 pF

TBD

μs

1 Refer to Figure 6 in the Typical Application Circuit section.

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