LM5069MM-1

更新时间： 2024-01-08 03:37:51

品牌	Logo	应用领域
美国国家半导体 - NSC		控制器
页数	文件大小	规格书
22页	1004K
描述
Positive High Voltage Hot Swap / Inrush Current Controller with Power Limiting

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数据手册

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LM5069MM-1 数据手册

Symbol

Current Limit

V_CL

Parameter

Threshold voltage

Conditions

VIN-SENSE voltage

Min.

48.5

Typ. Max. Units

61.5

µs

t_CL

Response time

VIN-SENSE stepped from 0 mV to

80 mV

I_SENSE

SENSE input current

Enabled, SENSE = OUT

Disabled, OUT = 0V

µA

Circuit Breaker

V_CB

t_CB

Threshold voltage

Response time

VIN - SENSE

105

130

1.2

µs

VIN - SENSE stepped from 0 mV to

150 mV, time to GATE low, no load

0.44

Timer (TIMER pin)

V_TMRH

Upper threshold

Lower threshold

3.76

4.16

V_TMRL

Restart cycles (LM5069-2)

1.187

1.25 1.313

End of 8th cycle (LM5069-2)

Re-enable Threshold (LM5069-1)

0.3

I_TIMER

Insertion time current

5.5

1.5

µA

Sink current, end of insertion time

Fault detection current

Fault sink current

TIMER pin = 2V

1.0

2.0

120

3.75

1.25

2.5

0.5

DC_FAULT

t_FAULT

Fault Restart Duty Cycle

Fault to GATE low delay

LM5069-2 only

TIMER pin reaches 4.0V

µs

Power Good (PGD pin)

PGD_TH

Threshold measured at SENSE-OUT

Decreasing

0.67

0.95

1.25

1.85

1.55

Increasing, relative to decreasing

threshold

PGD_VOL

PGD_IOH

Output low voltage

Off leakage current

I_SINK= 2 mA

V_PGD= 80V

150

µA

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and conditions see the Electrical Characteristics.

Note 2: The human body model is a 100 pF capacitor discharged through a 1.5 kΩ resistor into each pin.

Note 3: OUT bias current (disabled) due to leakage current through an internal 1.0 MΩ resistance from SENSE to VOUT.

Note 4: For detailed information on soldering plastic MSOP packages refer to the Packaging Databook available from National Semiconductor Corporation.

Note 5: The GATE pin voltage is typically 12V above VIN when the LM5069 is enabled. Therefore the Absolute Maximum Ratings for VIN (100V) applies only

when the LM5069 is disabled, or for a momentary surge to that voltage since the Absolute Maximum Rating for the GATE pin is also 100V.

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