Datasheet > ADP2105-1.8-EVAL

ADP2105-1.8-EVAL

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
32页	1006K
描述
1 Amp/1.5 Amp/2 Amp Synchronous, Step-Down DC-to-DC Converters

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ADP2105-1.8-EVAL 数据手册

ADP2105/ADP2106/ADP2107

SPECIFICATIONS

V_IN= 3.6 V @ T_A= 25°C, unless otherwise noted.¹Bold values indicate −40°C ≤ T_J≤ +125°C.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Input Voltage Range

Undervoltage Lockout Threshold

2.7

2.2

2.0

5.5

2.6

2.5

V_INrising

V_INfalling

2.4

2.2

200

Undervoltage Lockout Hysteresis²

OUTPUT CHARACTERISTICS

Output Regulation Voltage

ADP210x-3.3, load = 10 mA

ADP210x-3.3, V_IN= 3.5 V to 5.5 V, no load to full load

ADP210x-1.8, load = 10 mA

ADP210x-1.8, V_IN= 2.7 V to 5.5 V, no load to full load

ADP210x-1.5, load = 10 mA

ADP210x-1.5, V_IN= 2.7 V to 5.5 V, no load to full load

ADP210x-1.2, load = 10 mA

ADP210x-1.2, V_IN= 2.7 V to 5.5 V, no load to full load

ADP2105

ADP2106

ADP2107

Measured in servo loop

ADP210x-ADJ

3.267 3.3

3.3

1.782 1.8

1.8

1.485 1.5

1.5

1.188 1.2

3.333

3.399

1.818

1.854

1.515

1.545

1.212

1.236

%/A

%/V

3.201

1.746

1.455

1.2

0.4

0.5

0.6

0.1

1.164

Load Regulation

Line Regulation³

0.3

V_IN

Output Voltage Range

FEEDBACK CHARACTERISTICS

OUT_SENSE Bias Current

0.8

ADP210x-1.2

ADP210x-1.5

ADP210x-1.8

ADP210x-3.3

ADP210x-ADJ

μA

0.8

FB Regulation Voltage

FB Bias Current

0.784

−0.1

0.816

+0.1

μA

INPUT CURRENT CHARACTERISTICS

IN Operating Current

ADP210x-ADJ, V_FB= 0.9 V

0.1

1⁵

μA

ADP210x-xx, output voltage 10% above regulation voltage

V_EN= 0 V

IN Shutdown Current

LX (SWITCH NODE) CHARACTERISTICS

LX On Resistance⁴

P-channel switch

100

165

140

1⁵

mΩ

μA

N-channel synchronous rectifier

V_IN= 5.5 V, V_LX= 0 V, 5.5 V

LX Leakage Current⁴

LX Peak Current Limit⁴

0.1

2.9

2.25

1.5

P-channel switch, ADP2107

P-channel switch, ADP2106

P-channel switch, ADP2105

In PWM mode of operation, V_IN= 5.5 V

2.6

2.0

1.3

3.3

2.6

1.8

100

LX Minimum On-Time⁴

ENABLE CHARACTERISTICS

EN Input High Voltage

EN Input Low Voltage

V_IN= 2.7 V to 5.5 V

V_IN= 5.5 V, V_EN= 0 V, 5.5 V

0.4

EN Input Leakage Current

−1

−0.1

1.2

μA

MHz

OSCILLATOR FREQUENCY

SOFT START PERIOD

V_IN= 2.7 V to 5.5 V

C_SS= 1 nF

1.4

750

1000

1200

μs

Rev. 0 | Page 3 of 32

1 234 5 6 7...32

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