Their names have the following features to express the characteristics and performance of the 3-pin regulators (with some exceptions such as the uPC305, uPC317, and uPC337, which are not named in accordance with the following description).
A list of currently mass-produced products is shown on the following Web page.
An example of the uPD121W33AT1F-E1-AT is given below.
| ⑥ |
The part number expresses the features and performance of the 3-pin regulators, as follows.
|uPC29S||Low-saturation type, ON/OFF function|
|uPC30||Low-saturation type, ON/OFF function|
|uPC37||Low-saturation type, 2-output|
|uPD120||Low-saturation type, CMOS (low voltage, low power consumption)|
|uPD121||Low-saturation type, CMOS (low voltage, low power consumption), |
|Symbol||Maximum Output Current (Io max.)|
|No.||Output Voltage (Vo typ.)|
|10||10.0 V or 1.0 V|
|15||15.0 V or 1.5 V|
|18||18.0 V or 1.8 V|
|Chip revision No.||One alphabetic character indicates the revision, in alphabetical order, of the chip. |
This symbol is not shown for the first edition of the product (without revision).
Unlike the symbol of the other general ICs, the symbol indicating the package type of the 3-pin regulator is as follows.
|H||TO-220 or |
TO-126 (MP-5 or 4-pin MP-5)*
|HB||TO-251 (MP-3 or SC-99*)|
|HF||TO-220 insulation type (MP-45G)|
|T||TO-252 (MP-3Z) |
or SOT-89 (SC-62)*
|T1D||TO-252 (MP-3Z or MP-32ZK*) |
or TO-220 insulation type (MP-45G)*
|GR or G2||SOP-8 (8pin, 225mil)|
For details of the package, see the following Web page (Package Information of Discrete Products).
For the meaning of the symbol of taping packing, see the following Web page.
For the meaning of the lead-free symbol, see the following Web page.