ADP2108ACBZ-1.8-R7 Просмотр технического описания (PDF) - Analog Devices

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ADP2108ACBZ-1.8-R7

Compact, 600 mA, 3 MHz, Step-Down DC-to-DC Converter

Analog Devices 

Data Sheet

ADP2108

SPECIFICATIONS

VIN = 3.6 V, VOUT = 1.8 V, TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless

otherwise noted.1

Table 1.

Parameter

INPUT CHARACTERISTICS

Input Voltage Range

Undervoltage Lockout Threshold

OUTPUT CHARACTERISTICS

Output Voltage Accuracy

POWER SAVE MODE TO PWM CURRENT THRESHOLD

PWM TO POWER SAVE MODE CURRENT THRESHOLD

INPUT CURRENT CHARACTERISTICS

DC Operating Current

Shutdown Current

SW CHARACTERISTICS

SW On Resistance (WLCSP)

SW On Resistance (TSOT)

Current Limit

ENABLE CHARACTERISTICS

EN Input High Threshold

EN Input Low Threshold

EN Input Leakage Current

OSCILLATOR FREQUENCY

START-UP TIME

THERMAL CHARACTERISTICS

Thermal Shutdown Threshold

Thermal Shutdown Hysteresis

Test Conditions/Comments

VIN rising

VIN falling

PWM mode

VIN = 2.3 V to 5.5 V, PWM mode

ILOAD = 0 mA, device not switching

EN = 0 V, TA = TJ = −40°C to +125°C

PFET

NFET

PFET

NFET

PFET switch peak current limit

EN = 0 V, 3.6 V

ILOAD = 200 mA

Min Typ Max Unit

2.3

5.5

V

2.3

V

2.05 2.15 2.25 V

−2

−2.5

85

80

+2

%

+2.5 %

mA

mA

18

30

µA

0.2

1.0

µA

320

mΩ

300

mΩ

380

mΩ

260

mΩ

1100 1300 1500 mA

1.2

V

0.4

V

−1

0

+1

µA

2.5

3.0

3.5

MHz

550 µs

150

°C

20

°C

1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).

Rev. H | Page 3 of 20

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