ADP5070AREZ-R7 datasheet(4/28 Pages) AD

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Data Sheet

ADP5070

Rev. A | Page 3 of 27

SPECIFICATIONS

PVIN1 = PVIN2 = PVINSYS = 2.85 V to 15 V, VPOS = 15 V, VNEG = −15 V, fSW = 1200 kHz, TJ = −40°C to +125°C for minimum/maximum

specifications, and TA = 25°C for typical specifications, unless otherwise noted.

Table 2.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

INPUT SUPPLY VOLTAGE RANGE

VIN

2.85

PVIN1, PVIN2, PVINSYS

QUIESCENT CURRENT

Operating Quiescent Current

PVIN1, PVIN2, PVINSYS (Total)

3.5

4.0

No switching, EN1 = EN2 = high,

PVIN1 = PVIN2 = PVINSYS = 5 V

Shutdown Current

ISHDN

µA

No switching, EN1 = EN2 = low, PVIN1 =

PVIN2 = PVINSYS = 5 V

UVLO

System UVLO Threshold

PVINSYS

Rising

VUVLO_RISING

2.8

2.85

Falling

VUVLO_FALLING

2.5

2.55

Hysteresis

VHYS_1

0.25

OSCILLATOR CIRCUIT

Switching Frequency

fSW

1.130

1.200

1.270

MHz

SYNC/FREQ = low

2.240

2.400

2.560

MHz

SYNC/FREQ = high (connect to VREG)

SYNC/FREQ Input

Input Clock Range

fSYNC

1.000

2.600

MHz

Input Clock Minimum On Pulse Width

tSYNC_MIN_ON

100

Input Clock Minimum Off Pulse Width

tSYNC_MIN_OFF

100

Input Clock High Logic

VH (SYNC)

1.3

Input Clock Low Logic

VL (SYNC)

0.4

PRECISION ENABLING (EN1, EN2)

High Level Threshold

VTH_H

1.125

1.15

1.175

Low Level Threshold

VTH_L

1.025

1.05

1.075

Shutdown Mode

VTH_S

0.4

Internal circuitry disabled to achieve

ISHDN

Pull-Down Resistance

REN

1.48

MΩ

INTERNAL REGULATOR

VREG Output Voltage

VREG

4.25

BOOST REGULATOR

Feedback Voltage

VFB1

0.8

Feedback Voltage Accuracy

−0.5

+0.5

TJ = 25°C

−1.5

+1.5

TJ = −40°C to +125°C

Feedback Bias Current

IFB1

0.1

µA

Overvoltage Protection Threshold

VOV1

0.86

At FB1 pin

Load Regulation

∆VFB1/ILOAD1

0.0003

%/mA

ILOAD11 = 5 mA to 150 mA

Line Regulation

∆VFB1/VPVIN1

0.002

%/V

VPVIN1 = 2.85 V to 14.5 V, ILOAD11 = 15 mA

Error Amplifier (EA) Transconductance

gM1

270

300

330

µA/V

Power FET On Resistance

RDS (ON) BOOST

175

mΩ

Power FET Maximum Drain Source

Voltage

VDS (MAX) BOOST

Input Disconnect Switch On Resistance

RDS (ON) INBK

210

mΩ

Current-Limit Threshold

ILIM (BOOST)

1.00

1.10

1.20

Minimum On Time

Minimum Off Time

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