HT7833-A
UMWExtended
-25℃~+70℃@(Ta) 1 12V 2uA 3.3V 450mA 90mV@(40mA) Fixed Over Temperature Protection Positive SOT-89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
- Part id
- umw/HT7833-A
- Category
- Voltage Regulators Linear, Low Drop Out (LDO) Regulators
- Package
- SOT-89
- Pins
- 4
- In stock
- 65,495 at JLCPCB (C347195)
Overview
The HT7833-A is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by UMW in a SOT-89 package with 3 pins. -25℃~+70℃@(Ta) 1 12V 2uA 3.3V 450mA 90mV@(40mA) Fixed Over Temperature Protection Positive SOT-89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TL431SI, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-89-3, from KiCad's library), ready for a KiCad board. 65,495 are in stock at JLCPCB (part C347195).
Symbol
Footprint
From the datasheet
9- Supply, most
- 12 V · VIN, max operating input voltage · p. 5
- Supply, absolute maximum
- 15 V · VIN, absolute max · p. 3
- Works from
- -40 °C · Operating temperature, min · p. 3
- Works up to
- 85 °C · Operating temperature, max · p. 3
- Junction, hottest
- 125 °C · Junction temperature, absolute max · p. 3
- Takes working
- 2 µA · Quiescent current, typical, VIN=4.3V, no load · p. 5
- Gives
- 450 mA · Output current, max, VIN=4.3V · p. 5
- Output
- 3.3 V · Fixed output voltage, typical, VIN=4.3V, IOUT=40mA · p. 5
- Dropout
- 90 mV · Drop voltage, typical, IOUT=40mA · p. 5
What it is and has
4- Quiescent current
- 2.0µA typical · p. 1
- Output voltage accuracy
- ±3% · p. 1
- Maximum output current
- 450mA · p. 1
- Package options
- SOT-23, SOT-89, TO-92 · p. 1
Around it
1- cap 10µF
- between VIN and GND; C1 in the typical application; positive terminal at VIN. · p. 7
Specifications
12| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply Voltage Range VIN | min -0.5 · max 15 V | 3 | |
| Consumption Power PD | max 400 mW | 3 | |
| Junction Temperature TJ | min -50 · max 125 °C | 3 | |
| Operating Temperature TOP | min -40 · max 85 °C | 3 | |
| Welding Temperature Th | max 260 °C,10s | 3 | |
| Output Voltage VOUT | TA=25°C, VIN=4.3V, IOUT=40mA | min 3.201 · typ 3.3 · max 3.399 V | 5 |
| Output Current IOUT | TA=25°C, VIN=4.3V, IOUT≥2.97V | max 450 mA | 5 |
| Load Regulation ΔVOUT | TA=25°C, VIN=4.3V, 1mA≤IOUT≤60mA | typ 45 · max 90 mV | 5 |
| Drop Voltage VDIF | TA=25°C, IOUT=40mA | typ 90 mV | 5 |
| Quiescent Current ISS | TA=25°C, VIN=4.3V, No Load | typ 2 · max 3 uA | 5 |
| Line Regulation ΔVOUT/(ΔVIN*VOUT) | TA=25°C, 4.3V≤VIN≤12V, IOUT=40mA | typ 0.2 · max 0.3 %/V | 5 |
| Input Voltage VIN | TA=25°C | max 12 V | 5 |
Pins, by the datasheet
3- 1 GND
- Ground. · p. 2
- 2 VIN
- Supply Voltage. · p. 2
- 3 VOUT
- Output. · p. 2
Ordering codes, by the datasheet
1- UMW HT7833-A
- SOT-89 · 3.3 V output; marking HT7833-A; base quantity 1000; tape and reel. · p. 11
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8
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Questions
Is there a KiCad symbol and footprint for the HT7833-A?
Yes. The symbol is EasyEDA_Cloud:TL431SI and the footprint Package_TO_SOT_SMD:SOT-89-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the HT7833-A?
SOT-89, with 3 pins. Its footprint is drawn on this page.
Where is the HT7833-A datasheet?
UMW publishes it: the Datasheet link on this page opens it.
Where can I order the HT7833-A?
JLCPCB lists it as part C347195, with 65,495 in stock; the sellers' links on this page open their listings.
What can replace the HT7833-A?
Parts like it in the library: the AMS1117-3.3S by UMW, the AMS1117-3.3 by GOODWORK, the CJA1117B-3.3 by Jiangsu Changjing Electronics Technology (CJ) and the AZ1117CR-3.3TRG1 by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.