MAX6469_08 Datasheet, PDF (17/24 Pages) Maxim Integrated Products – 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit

300mA LDO Linear Regulators with Internal
Microprocessor Reset Circuit
Functional Diagrams
IN
SHDN
REVERSE
LEAKAGE
PROTECTION
ERROR
AMP
THERMAL SENSOR
OUT
MOS DRIVER WITH
CURRENT LIMIT
FB
1.23V
MAX6475/MAX6476
MAX6483/MAX6484
RESET
TIMEOUT
OUTPUT
STAGE
RESET
RESET
COMPARATOR
GND
IN
SHDN*
REVERSE
LEAKAGE
PROTECTION
THERMAL SENSOR
OUT
MOS DRIVER WITH
CURRENT LIMIT
ERROR
AMP
FEEDBACK-MODE
COMPARATOR
SET**
1.23V
185mV
RESET
TIMEOUT
OUTPUT
STAGE
RESET
RESET
COMPARATOR
MAX6469–MAX6474
MAX6477–MAX6482
GND
MR***
*MAX6469/MAX6470/MAX6473–MAX6478/MAX6481–MAX6484
**MAX6469–MAX6472/MAX6477–MAX6480
***MAX6471–MAX6474/MAX6479–MAX6482
Typical Operating Circuit
2.5V TO 5.5V
IN
SHDN
OUT
MAX6469/MAX6470
MAX6477/MAX6478
SET
RESET
GND
V_CC
3.3μF
μP
RESET
GND
Chip Information
TRANSISTOR COUNT: 1041
PROCESS: BiCMOS
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