Regulator

TK11245MBX Datasheet PDF – 4.5V, Voltage Regulator

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Part Number: TK11245MBX

Function: 4.5V, Voltage Regulator WITH ON/OFF SWITCH

Package: SOP 6 Pin Type

Manufacturer: Toko America Inc

Pinouts:

TK11245MBX datasheet

Description

The TK11245MBX is a low power, linear regulator with a built in electronic switch. The internal electronic switch can be controlled by TTL or CMOS logic levels. The device is in the ON state when the control pin is pulled to a high logic level. A pin for a bypass capacitor is provided, which connects to the internal circuitry, to lower the overall output noise level.

An internal PNP pass-transistor is used in order to achieve low dropout voltage (typically 100 mV at 30 mA load current). The device has very low quiescent current (180 µA) in the ON mode with no load and 1 mA with 30 mA load. The quiescent current is typically 2.5 mA at 60 mA load. When the device is in standby mode (VCONT = 0), the quiescent current is typically 100 nA. An internal thermal shutdown circuit limits the junction temperature to below 150 °C. The load current is internally monitored and the device will shut down in the presence of a short circuit at the output.

Features

1. Low Dropout Voltage

2. CMOS/TTL Compatible ON/OFF Switch

3. Very Low Standby Current 180 mA (ON, No Load)

4. Internal Thermal Shutdown

5. Short Circuit Protection

6. Very Low (0.1 mA) Current in OFF Mode

7. Low Noise with External Bypass Capacitor

Block Diagram :

components

Applications

1. Battery Powered Systems

2. Cellular Telephones

3. Personal Communications Equipment

4. Portable Instrumentation

5. Portable Consumer Equipment

6. Radio Control Systems

7. Low Voltage Systems

Other data sheets are available within the file:

TK11227MBX, TK11227MTL, TK11230MBX, TK11230MTL, TK11232MBX

TK11245MBX Datasheet PDF Download

TK11245MBX pdf

78M56A Datasheet PDF – NJM78M56A – 5.6V Regulator

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Part Number: 78M56A

Function: Standard 5.6 Voltage Regulator

Package: TO-220F Type

Manufacturer: Japan Radio Corporation

Image:
78M56A datasheet

Description

It is marked 78M56A and identified on the pcb as NJM78M56. it’s a TO-220 (mfr is JRC).

The NJM78M00 series of 3-Terminal Positive Voltage Regulators is constructed using the New JRC Planar epitaxial process.   These regulators employ internal current-limiting, thermal-shutdown and safe-area compensation making them essentially indestructible. If adequate heat sinking is provided, they can deliver in excess of 500mA output current. They are intended as fixed voltage regulation in a wide range of applications including local or on-card regulation for elimination of noise and distribution problems associated with single point regulation. In addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents.

Pinouts:
78M56A Datasheet

Features

1. Internal Short Circuit Current Limit

2. Internal Thermal Overload Protection

3. Excellent Ripple Rejection

4. Guaranteed 500mA Output Current

78M56A Datasheet PDF

78M56A pdf


 

Other data sheets are available within the file: NJM78M56