Datasheet > ADM1075

ADM1075

更新时间： 2022-10-09 10:04:05

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
52页	740K
描述
?48 V Hot Swap Controller and Digital

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数据手册

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ADM1075 数据手册

Data Sheet

ADM1075

Parameter

Min

Typ

Max

Unit Test Conditions/Comments

Total Response Time

180

300

μs

V_ISET> 1.65 V; V_SS≥ 2 V; V_SENSEstep from 36 mV to 104 mV;

optional select through PMBus

V_ISET> 1.65 V; V_SS≥ 2 V; V_SENSEstep from 36 mV to 104 mV;

default at power-up

V_ISET> 1.65 V; V_SS≥ 2 V; V_SENSEstep from 36 mV to 104 mV;

optional select through PMBus

V_ISET> 1.65 V; V_SS≥ 2 V; V_SENSEstep from 36 mV to 104 mV;

optional select through PMBus

610

950

SOFT START

SS Pull-Up Current, I_SS

Default V_SENSECLLimit

−11.5

0.6

−10

1.25

−8.5

1.9

μA

V_SS= 0V

When V_SENSEreaches this level, I_SSis enabled, ramping;

V_SS= 0 V; ADM1075-1 only (gain = 50)

1.2

2.5

3.8

μA

When V_SENSEreaches this level, I_SSis enabled, ramping;

V_SS= 0 V; ADM1075-2 only (gain = 25)

V_SS= 1 V

SS Pull-Down Current

100

TIMER

Timer Pull-Up Current (POR), I_TIMERUPPOR

Timer Pull-Up Current (OC Fault), I_TIMERUPFLT

Timer Pull-Down Current (Retry), I_TIMERDNRT

Timer Retry/OC Fault Current Ratio

Timer Pull-Down Current (Hold), I_TIMERDNHOLD

Timer High Threshold, V_TIMERH

Timer Low Threshold, V_TIMERL

PLIM

−4

−63

1.7

−3

−60

3.33

100

1.0

−2

−57

2.3

μA

Initial power-on reset; V_TIMER= 0.5 V

Overcurrent fault; 0.05 V ≤ V_TIMER≤ 1 V

After a fault when GATE is off; V_TIMER= 0.5 V

Defines the limits of the autoretry duty cycle

Holds TIMER at 0 V when inactive; V_TIMER= 0.5 V

0.98

0.03

1.02

0.07

0.05

PLIM Active Threshold

Input Current, I_PLIM

Minimum Current Clamp, V_ICLAMP

0.08

0.09

100

0.1

100

125

V_ISET> 1.65 V

V_PLIM≤ 1 V

V_PLIM= 1.2 V; V_{SENSE_IMIN}= (V_ICLAMP÷ gain) = minimum

allowed current control

DRAIN

PWRGD

1.9

1.1

2.1

I_DRAIN≤ 50 μA

DRAIN Voltage at Which

ADC_AUX/ADC_V

Input Current

Asserts

100

0 V ≤ V_ADC≤ 1.5 V

SHDN

Input High Voltage, V_IH

Input Low Voltage, V_IL

Glitch Filter

μs

μA

0.8

Internal Pull-Up Current

Pull-up to VIN

RESTART

Input High Voltage, V_IH

Input Low Voltage, V_IL

Glitch Filter

1.1

μs

μA

Internal Pull-Up Current

SPLYGD

Output Low Voltage, V_{OL_LATCH}

0.4

1.5

100

μA

I_SPLYGD= 1 mA

I_SPLYGD= 5 mA

Leakage Current

SPLYGD

pin disabled

V_SPLYGD≤ 2 V;

SPLYGD

V_SPLYGD≤ 14 V;

pin disabled

LATCH

Output Low Voltage, V_{OL_LATCH}

0.4

1.5

100

μA

I_LATCH= 1 mA

I_LATCH= 5 mA

Leakage Current

LATCH

V_LATCH≤ 2 V;

pin disabled

LATCH

V_LATCH≤ 14 V;

pin disabled

ALERT1

GPO1/ /CONV PIN

Output Low Voltage, V_{OL_GPO1}

0.4

1.5

I_GPO= 1 mA

I_GPO= 5 mA

Rev. A | Page 7 of 52

1...4 5 678 9 10...52

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