LTC4220 データシートの表示（PDF） - Linear Technology

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LTC4220

Negative Voltage Hot Swap Controllers

Linear Technology 

BLOCK DIAGRAM

VIN

LTC4252-1/LTC4252-2

LTC4252A-1/LTC4252A-2

DRAIN

VEE

6.15V –

(5.09V)

OV *

+

UV *

– (+)

2.385V

VIN

8×

VIN

58μA

VEE

1×

1×

VEE

6.15V

(5V)

1× VIN

58μA

PWRGD **

VEE

2.8V

– + VIN

GATE

TIMER

2.925V

VIN

(3.08V)

230μA VIN

5.8μA

4V

+ (–)

–

+

–

VEE 5.8μA

1V +

VIN

VEE

22μA

(28μA)

SS

95k

(47.5k)

RSS

5k

VEE

(2.5k)

VEE

LOGIC

0.5V

FCL

200mV

VEE

+

VOS = 10mV

ACL

–+ –

CB

50mV

VEE

VEE

SENSE

VEE

*OV AND UV ARE TIED TOGETHER ON THE MS8 PACKAGE. OV AND UV ARE SEPARATE PINS ON THE MS PACKAGE

** ONLY AVAILABLE IN THE MS PACKAGE

FOR COMPONENTS, CURRENT AND VOLTAGE WITH TWO VALUES, VALUES IN PARENTHESES REFER

TO THE LTC4252A. VALUES WITHOUT PARENTHESES REFER TO THE LTC4252

425212 BD

425212fd

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