ADP1071-2ARWZ-R7 datasheet(3/27 Pages) AD

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Data Sheet

ADP1071-1/ADP1071-2

Rev. B | Page 3 of 27

SPECIFICATIONS

ADP1071-1: VREG1 = 9 V, VDD2 = 12 V, TA = −40°C to +125°C, unless otherwise noted. ADP1071-2: VIN = 24 V, VDD2 = 12 V, TA =

−40°C to +125°C, unless otherwise noted.

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

ADP1071-1 SUPPLY

(PRIMARY)

Supply Voltage

VREG1

1 µF capacitor from VREG1 to AGND1

4.7

12.5

Quiescent Supply

Current

IVREG1

VREG1 > VREG1 UVLO, GATE pin unloaded

At 100 kHz

3.8

At 300 kHz

4.6

At 600 kHz

6.8

IVREG1

VREG1 > VREG1 UVLO, GATE pin loaded

with 2.2 nF

At 100 kHz

5.5

At 300 kHz

At 600 kHz

16.6

VREG1 Start-Up Current

IVREG1_STARTUP

VEN < 1.2 V

160

µA

VREG1 UVLO

VREG1 rising

4.7

VREG1 falling

UVLO Hysteresis

0.19

ADP1071-2 SUPPLY

(PRIMARY)

Supply Voltage

VIN

4.7 µF capacitor from VIN to AGND1,

1 µF capacitor from VREG1 to AGND1

4.7

Quiescent Supply

Current

IVIN

VIN > VIN UVLO, GATE pin unloaded

At 100 kHz

3.8

At 300 kHz

4.4

At 600 kHz

6.8

IVIN

VIN > VIN UVLO, GATE pin loaded with

2.2 nF

At 100 kHz

5.5

At 300 kHz

At 600 kHz

VIN Shutdown Current

EN pin voltage (VEN) < 1.2 V, VREG1 = 0 V,

VIN = 60 V

µA

VIN and VREG1 Start-Up

Current

IVIN_STARTUP

VEN < 1.2 V, VREG1 = 12 V, VIN = 12 V

160

µA

VIN UVLO

VIN rising

4.7

VIN falling

UVLO Hysteresis

0.19

SWITCHING TIME

Time from EN High to

GATE Output

Switching

VEN > 1.2 V, 1 µF capacitor on VREG1

Time from EN Low to

GATE Output Stops

Switching

VEN < 1.0 V, 1 µF capacitor on VREG1

µs

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