Series: -
Number of Outputs: 1
PWM Type: -
Synchronous Rectifier: No
Operating Temperature: -40°C ~ 85°C
Mounting Type: Through Hole
Type: Step-Down (Buck)
Output Type: Fixed
Current - Output: 1A
Voltage - Output: 12V
Supplier Device Package: TO-220-5
Packaging: Bulk
Package / Case: TO-220-5
Manufacturer: Micrel Inc
Voltage - Input: 4 V ~ 40 V
Frequency - Switching: 42kHz ~ 63kHz
Pinout
DescriptionThe LM2575 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator..The LM2575-12WT belongs to LM2575 series.
Features of the LM2575-12WT are:(1)3.3 V, 5.0 V, 12 V, 15 V, and adjustable output versions;(2)voltage over specified line and load conditions:fixed version: ±3% max. output voltage and adjustable version: ±2% max. feedback voltage;(3)guaranteed 1A output current;(4)wide input voltage range:4V to 40V;(5)wide output voltage range:1.23V to 37V;(6)requires only 4 external components;(7)52kHz fixed frequency internal oscillator;(8)low power standby mode IQ typically <200A;(9)80% efficiency (adjustable version typically >80%);(10)uses readily available standard inductors;(11)thermal shutdown and current limit protection;(12)100% electrical thermal limit burn-in.
The absolute maximum ratings of the LM2575-12WT can be summarized as:(1):the maximum supply voltage is 45V;(2):the ON/OFF pin input voltage is 0.3V V +40V;(3):the output voltage to ground (steady state) is 1V;(4):the power dissipation is internally limited;(5):the storage temperature range 65to +150;(6):the minimum ESD rating C = 100pF, R = 1.5k is 2kV;(7):the the minimum ESD rating FB pin is 1kV;(8):the lead temperature (soldering, 10 sec.) is 260;(9):the maximum junction temperature is 150.
Parameters: | Technical/Catalog Information | LM2575-12WT |
| Vendor | Micrel Inc |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage - Input | 4 ~ 40 V |
| Voltage - Output | 12V |
| Current - Output | 1A |
| Power - Output | - |
| Package / Case | TO-220-5 (Straight Leads) |
| Packaging | Bulk |
| Internal Switch(s) | Yes |
| Synchronous | - |
| Rds (On) | - |
| Operating Temperature | -40°C ~ 85°C |
| Frequency - Switching | 42kHz ~ 63kHz |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | LM2575 12WT
LM257512WT
|
LM2575-12WT Data Sheet
