ADP1828 datasheet(3/32 Pages) AD

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ADP1828

Rev. 0 | Page 3 of 32

SPECIFICATIONS

IN = 12 V, PV = VEN = VTRK = 5 V, SYNC = GND, unless otherwise specified. All limits at temperature extremes are guaranteed via corre-

lation using standard statistical quality control (SQC). TJ = −40°C to +125°C, unless otherwise specified. Typical values are at TA = 25°C.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

POWER SUPPLY

IN Input Voltage

PV is tied to VREG, IN is not tied to VREG (using internal regulator)

5.5

IN Input Voltage

IN = PV = VREG, IN is tied to VREG (not using internal regulator)

3.0

5.5

IN Quiescent Current

Not switching, IVREG = 0 mA

1.5

3.0

IN Shutdown Current

EN = GND

μA

VREG-to-GND Shutdown Impedance

EN = GND, IN is not tied to VREG

1.6

MΩ

VREG Undervoltage Lockout Threshold

VREG rising

2.4

2.7

3.0

VREG Undervoltage Lockout Hysteresis

VREG falling

0.125

ERROR AMPLIFER

FB Regulation Voltage

TA = 25°C, TRK > 700 mV

597

600

603

TA = 0°C to +70°C, TRK > 700 mV

595

605

TJ = −40°C to +125°C, TRK > 700 mV

591

609

FB Input Bias Current

100

Open-Loop Voltage Gain

Gain-Bandwidth Product

MHz

COMP Sink Current

600

μA

COMP Source Current

120

μA

COMP Clamp High Voltage

IN = VREG = 3V

2.4

IN = 12 V

3.6

COMP Clamp Low Voltage

0.75

LINEAR REGULATOR

VREG Output Voltage

IN = 5 V+ dropout voltage to 18 V, IVREG =100 mA

TJ = −40°C to +125°C

4.75

5.0

5.25

VREG Load Regulation

IVREG = 0 mA to 100 mA, IN = 5.25 V to 18 V

−10

VREG Line Regulation

IN = 5 V+ dropout voltage to 18 V, no load

VREG Current Limit

VREG drops to 4 V

220

VREG Short-Circuit Current

VREG drops to 0.4 V

140

200

IN to VREG Dropout Voltage1

IVREG = 100 mA, IN < 5 V

0.6

1.0

VREG Minimum Output Capacitance

μF

PWM CONTROLLER

VRAMP Peak-to-Peak Voltage2

0.7

1.0

1.45

DH Maximum Duty Cycle

FREQ = GND (300 kHz)

DH Minimum On Time

Any frequency

100

DL Minimum On Time

Any frequency

200

SOFT START

SS Pull-Up Resistance

SS = GND

kΩ

SS Pull-Down Resistance

SS = 0.6 V

kΩ

SS to FB Offset Voltage

SS = 0 mV to 500 mV

−45

SS Pull-Up Voltage

0.8

TRACKING

TRK Common-Mode Input Voltage Range

600

TRK to FB Offset Voltage

TRK = 0 mV to 500 mV

−5.5

TRK Input Bias Current

100

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