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MAX5024LASA+ Datasheet

  • MAX5024LASA+

  • LINEAR REG,L-QUIESCENT-CURRENT,5024; Voltage Regulator Type:...

  • 449.10KB

  • 13頁(yè)

  • Maxim   Maxim

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65V, Low-Quiescent-Current, High-Voltage Linear
Regulators with 碌P Reset and Watchdog Timer
Detailed Description
The MAX5023/MAX5024 high-voltage linear regulators
include an integrated 碌P reset circuit and watchdog
timer/adjustable output voltage. The devices guarantee
150mA load drive and are available with preset output
voltages of +3.3V or +5V. The MAX5023 features a
watchdog timer (WDI) with a 1.6s timeout period. The
MAX5024 offers an adjustable output voltage using an
external resistive-divider network between SET and
OUT. The internal reset circuit monitors the regulator
output voltage and asserts a reset output when the reg-
ulator output falls below the 碌P supply tolerance. Other
features include reverse-voltage protection to -60V,
enable (EN) and hold (HOLD) regulator control inputs,
16碌A(chǔ) (max) shutdown current, short-circuit protection,
and thermal shutdown.
MAX5023/MAX5024
Regulator
The regulator accepts an input voltage range from
+6.5V to +65V. The MAX5023/MAX5024 offer fixed out-
put voltages of +3.3V and +5V. The MAX5024 also fea-
tures an adjustable output voltage that is implemented
with an external resistive-divider network connected
between OUT, SET, and GND (Figure 1). The MAX5024
automatically determines the feedback path depending
on the voltage at SET. Featured characteristics include
reverse-voltage protection to -60V and enable and hold
regulator control inputs. The
Typical Operating Circuit
shows a self-holding configuration for the MAX5023.
Functional Diagram
IN
+6.5V to +65V
OUT
4碌A(chǔ)
HOLD
EN
CONTROL
LOGIC
BANDGAP
REFERENCE
AMP
+2.5V to +11V
OUT
REVERSE BATTERY PROTECTION
THERMAL
SENSOR
MUX
R1
COMP
CURRENT
SENSOR AND
REGULATOR
TO INTERNAL SHUTDOWN
CIRCUITRY
SET
(MAX5024 ONLY)
R2
RESET
WDI*
WATCHDOG
TIMER AND
LOGIC
200ms
TIMEOUT
PERIOD
*MAX5023 ONLY.
GND
Figure 1. Functional Diagram
_______________________________________________________________________________________
7

MAX5024LASA+ 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 100

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式或可調(diào)式

  • 5V，2.5 V ~ 11 V

  • 6.5 V ~ 65 V

  • 0.9V @ 150mA

  • 1

  • 150mA（最?。?/p>

  • -40°C ~ 125°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

  • 管件

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