參數資料
| 型號： | LTC4213IDDB#TRMPBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/20頁 |
| 文件大小： | 0K |
| 描述： | IC CIRC BREAK ELEC 8-DFN |
| 標準包裝： | 1 |
| 系列： | * |
| 其它名稱： | LTC4213IDDB#TRMPBFDKR |
LTC4213
1
4213f
APPLICATIO S
U
TYPICAL APPLICATIO
U
DESCRIPTIO
U
FEATURES
The LTC
4213 is an Electronic Circuit Breaker. An over-
current circuit breaker senses the voltage across the drain
and source terminals of an external N-channel MOSFET
with no need for a sense resistor. The advantages are a
lower cost and reduced voltage and power loss in the
switch path. An internal high-side driver controls the
external MOSFET gate.
Two integrated comparators provide dual level over-
current protection over the bias supply to ground common
mode range. The slow comparator has 16s response
while the fast comparator trips in 1s. The circuit breaker
has three selectable trip thresholds: 25mV, 50mV and
100mV. An ON pin controls the ON/OFF and resets circuit
breaker faults. READY signals the MOSFET is conducting
and the circuit breaker is armed. The LTC4213 operates
from VCC = 2.3V to 6V.
■ Electronic Circuit Breaker
■ High-Side Switch
■ Hot Board Insertion
■ Fast 1s Response Circuit Breaker
■ 3 Selectable Circuit Breaker Thresholds
■ No Sense Resistor Required
■ Dual Level Overcurrent Fault Protection
■ Controls Load Voltages from 0V to 6V
■ High Side Drive for External N-Channel FET
■ Undervoltage Lockout
■ READY Pin Signals When Circuit Breaker Armed
■ Small Plastic (3mm x 2mm) DFN Package
No RSENSE
Electronic Circuit Breaker
1.25V Electronic Circuit Breaker
OFF ON
LTC4213
VCC
ON
READY
10k
ISEL
GND
GATE
SI4864DY
VBIAS
VOUT
1.25V
3.5A
VIN
1.25V
VBIAS
2.3V TO 6V
SENSEN
SENSEP
4213 TA01
, LTC and LT are registered trademarks of Linear Technology Corporation.
No RSENSE is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Severe Overload Response
2s/DIV
4213 TA01b
IOUT
(50A/DIV)
VGATE
(5V/DIV)
VOUT
(1V/DIV)
VIN
(1V/DIV)
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