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55V CST75XX系列
The CST7550 series is ahighvoltage，ultralow-power，low dropout voltage regulator.
The device can deliver 350mA output current with a dropout voltage of 350mV and allows an input voltage as high
as 55V. The typical quiescent current is only 2µA. Th
The device can deliver 350mA output current with a dropout voltage of 350mV and allows an input voltage as high
as 55V. The typical quiescent current is only 2µA. Th
CST75XX series Description:
The CST7550 series is ahighvoltage，ultralow-power，low dropout voltage regulator.
The device can deliver 350mA output current with a dropout voltage of 350mV and allows an input voltage as high
as 55V. The typical quiescent current is only 2µA. The device is available in fixed output voltages of 1.8,2.5,2.8,3.0,3.3,3.6,4.0,4.2,4.4 and 5.0V.
The device features integrated short-circuit and thermal shutdown protection.Although designed primarily as fixed voltage regulators, the device can be used with external components to obtain variable voltages.
The device features integrated short-circuit and thermal shutdown protection.Although designed primarily as fixed voltage regulators, the device can be used with external components to obtain variable voltages.
CST75XX series Features:
Low Power Consumption: 2µA (Typ)
Maximum Output Current: 350mA
Small Dropout Voltage
350mV@100mA (Vout=3.3V)
High Input Voltage: Up to 55V
High Accurate:
CST7550(B)±2% Output Voltage
CST7550(A) ±1% Output Voltage
RoHS Compliant and Lead (Pb) Fre
Good Transient Response
Integrated Short-Circuit Protection
Over-Temperature Protection
Output Current Limit
Stable with Ceramic Capacitor
Support Fixed Output Voltage
1.8,2.5,3.0,3.3,3.6,4,0,4.2 and 5.0V
Available Package
SOT23-3/SOT89-3
CST75XX series Application:
Portable, Battery Powered Equipment
Smoke detector and sensor
Battery-powered equipment
Audio/Video Equipmen
Weighting Scales
Home Automation
CST75XX series Application Circuits:
CST75XX series Pin Configuration:
CST75XX series Pin Description:
CST75XX series Order Information:
CST7533①②③④⑤
Designator | Symbol | Description |
①② | S3/P3 | SOT23-3L/SOT89-3L |
③④ | Integer | Output Voltage 1.8,2.5,2.8,3.0,3.3,3.6,4.0,4.2and5.0 |
⑤ | A | Accurate±1% |
B | Accurate±2% |
Model | Marking | Description | Package | T/R Qty |
CST7550S3-XX* | AHXXA(B) | CST7550 55V;2μAIQ 350mA Low-Dropout LDO | SOT23-3L | 3000PCS |
CST7550P3-XX* | AHXXA(B) | SOT89-3L | 1000PCS |
Note:(*)XX Represents the Output Voltage
CST75XX series Marking Information:
①②Represents the product name
Mark①② | Product Series |
AH | CST7550 S3/P3 |
③④Represents the Output Voltage
Mark | Output Voltage(V) | Mark | Output Voltage(V) | ||||
18 | — | 1.8 | — | 36 | — | 3.6 | — |
25 | — | 2.5 | — | 40 | — | 4.0 | — |
28 | — | 2.8 | — | 42 | — | 4.2 | — |
30 | — | 3.0 | — | 50 | — | 5.0 | — |
33 | — | 3.3 | — | — | — | — | |
⑤Represents the Output Voltage Accurate
Mark⑤ | Product Series | |
±1% Output Voltage | ±2%Output Voltage | CST7550(AorB) |
A | B | |
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