ADM1170 查看數據表（PDF） - Analog Devices

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ADM1170

1.6 V to 16.5 V Hot Swap Controller with Soft Start

Analog Devices 

Data Sheet

ADM1170

SPECIFICATIONS

VCC = 2.7 V to 16.5 V, TA = −40°C to +85°C, typical values at TA = 25°C, unless otherwise noted.

Table 1.

Parameter

VCC PIN

Operating Voltage Range

Supply Current

Undervoltage Lockout

Undervoltage Lockout Hysteresis

ON (ON-CLR) PIN

Input Current

Threshold

Threshold Hysteresis

SENSE PINS (SENSE+/SENSE−)

Hot Swap Operating Range

Input Current

Input Current

Circuit Breaker Limit Voltage

Circuit Breaker Limit Voltage

GATE PIN

Drive Voltage

Pull-Up Current

Pull-Down Current

Pull-Down Current

TIMER PIN

Pull-Up Current

Pull-Down Current

Threshold High

Threshold Low

SS PIN

Soft Start Pull-Up Current

Current Setting Gain

Soft Start Completion Voltage

Pull-Down Current

tOFF

Turn-Off Time (TIMER Rise to GATE Fall)

Turn-Off Time (ON Fall to GATE Fall)

Turn-Off Time (VCC Fall to IC Reset)

Symbol Min Typ Max Unit Conditions

VCC

2.7

16.5 V

ICC

0.65 0.8

mA

VUVLO

2.4 2.525 2.65 V

VCC rising

VUVLOHYS

40

mV

IINON

VON

VONHYST

−1 0

1.22 1.3

50

+1

µA

1.38 V

ON rising

mV

IINSENSE

IINSENSE

VCB

VCB

1.6

16.5 V

−160 −65

+13

µA

VSENSE+ = 1.6 V

5

10

15

µA

VSENSE+ ≥ 2.2 V

26 50

77

mV

VCB = (VSENSE+ – VSENSE−), VSENSE+ = 1.6 V

44 50

56

mV

VCB = (VSENSE+ – VSENSE−), VSENSE+ ≥ 2.2 V

VGATE

4.6 7.5

6.0 8

8.75 10

7.5 9

5.56 8

−6.5 −12

4

25

10

V

12

V

12

V

12

V

12

V

−14.5 μA

mA

mA

VGATE − VCC, VCC = 3.0 V

VGATE − VCC, VCC = 3.3 V

VGATE − VCC, VCC = 5 V

VGATE − VCC, VCC = 12 V

VGATE − VCC, VCC = 15 V

VGATE = 0 V

VGATE = 3 V, VCC = 5 V, ON (ON-CLR) = low

VGATE = 3 V, VCC < UVLO

ITIMERUP

ITIMERDN

VTIMERH

VTIMERL

−2 −5

−25 −60

2

100

1.22 1.3

0.15 0.2

−8.5 µA

−100 µA

3.5

µA

µA

1.38 V

0.25 V

Initial cycle, VTIMER = 1 V

During current fault, VTIMER = 1 V

After Cct breaker tip, VTIMER = 1 V

Normal operation, VTIMER = 1 V

TIMER rising

TIMER falling

10

µA

20

V/V

VSS/VSENSE

1

V

50

µA During fault

2

µs

VTIMER = 0 V to 2 V step, VCC = VON = 5 V

40

µs

VON = 5 V to 0 V step, VCC = 5 V

40

µs

VCC = 5 V to 2 V step, VON = 5 V

Rev. A | Page 3 of 16

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