Datasheet LT3999 (Analog Devices) - 12
| Hersteller | Analog Devices |
| Beschreibung | Low Noise, 1A, 1MHz Push-Pull DC/DC Driver with Duty Cycle Control |
| Seiten / Seite | 16 / 12 — TYPICAL APPLICATIONS. 30V to 12V, 10W Push-Pull DC Transformer. 5V to 5V, … |
| Dateiformat / Größe | PDF / 310 Kb |
| Dokumentensprache | Englisch |
TYPICAL APPLICATIONS. 30V to 12V, 10W Push-Pull DC Transformer. 5V to 5V, 4W Low Part Count Push-Pull DC Transformer
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LT3999
TYPICAL APPLICATIONS 30V to 12V, 10W Push-Pull DC Transformer
VIN 30V CIN L1 10µF VIN OPTIONAL R1 T1 D1 VOUT 50V SYNC 499k SWA 12V • • UVLO COUT 0.8A 10µF R2 OVLO/DC 16V 19.1k LT3999 • • RDC D2 RT SWB 3999 TA02 ILIM/SS RBIAS D1, D2: DIODES INC. B260 RT C1 R GND 28k BIAS L1: COILCRAFT M56132-153 0.1µF 49.9k T1: COOPER BUSSMANN CTX02-19062 500kHz
5V to 5V, 4W Low Part Count Push-Pull DC Transformer
VIN 5V CIN 47µF VIN T1 D1 VOUT 10V UVLO SWA 5V • • SYNC COUT 0.8A 10µF OVLO/DC 10V LT3999 • • RDC D2 RT SWB 3999 TA03 ILIM/SS RBIAS D1, D2: CENTRAL SEMI. CMSH1-20M RT R GND T1: COILCRAFT PA6383 BIAS 12.1k 49.9k 1MHz
10V-15V to ±12V, 200mA Isolated Switching Regulator
VIN 10V TO 15V CIN R1 L1 10µF VOUT 715k VIN D1 39µH 100V T1 SHDN OUT 12V SYNC SWA COUT1 IN 200mA R2 • • C1 1M 10µF UVLO LT3065 36.5k C3 10µF 25V ADJ OVLO/DC 180pF D2 50V REF/BYP R8 R7 R3 52.3k R4 10k 0.01µF 66.5k LT3999 D3 • • 39k L2 –V 39µH OUT RDC SHDN OUT –12V SWB C IN OUT2 R6 200mA RT C2 10µF D4 ILIM 10k 10µF ILIM/SS 25V LT3090 D1-D4: CENTRAL SEMI. CMSH1-200HE 50V SET R RBIAS GND R10 T L1, L2: COILCRAFT XFL3012-393MEG RDC CSS R GND BIAS 12.1k T1: WÜRTH 750314781 243k 13.3k 0.01µF 49.9k 1MHz 3999 TA04 3999fa 12 For more information www.linear.com/LT3999 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts
TYPICAL APPLICATIONS 30V to 12V, 10W Push-Pull DC Transformer
VIN 30V CIN L1 10µF VIN OPTIONAL R1 T1 D1 VOUT 50V SYNC 499k SWA 12V • • UVLO COUT 0.8A 10µF R2 OVLO/DC 16V 19.1k LT3999 • • RDC D2 RT SWB 3999 TA02 ILIM/SS RBIAS D1, D2: DIODES INC. B260 RT C1 R GND 28k BIAS L1: COILCRAFT M56132-153 0.1µF 49.9k T1: COOPER BUSSMANN CTX02-19062 500kHz
5V to 5V, 4W Low Part Count Push-Pull DC Transformer
VIN 5V CIN 47µF VIN T1 D1 VOUT 10V UVLO SWA 5V • • SYNC COUT 0.8A 10µF OVLO/DC 10V LT3999 • • RDC D2 RT SWB 3999 TA03 ILIM/SS RBIAS D1, D2: CENTRAL SEMI. CMSH1-20M RT R GND T1: COILCRAFT PA6383 BIAS 12.1k 49.9k 1MHz
10V-15V to ±12V, 200mA Isolated Switching Regulator
VIN 10V TO 15V CIN R1 L1 10µF VOUT 715k VIN D1 39µH 100V T1 SHDN OUT 12V SYNC SWA COUT1 IN 200mA R2 • • C1 1M 10µF UVLO LT3065 36.5k C3 10µF 25V ADJ OVLO/DC 180pF D2 50V REF/BYP R8 R7 R3 52.3k R4 10k 0.01µF 66.5k LT3999 D3 • • 39k L2 –V 39µH OUT RDC SHDN OUT –12V SWB C IN OUT2 R6 200mA RT C2 10µF D4 ILIM 10k 10µF ILIM/SS 25V LT3090 D1-D4: CENTRAL SEMI. CMSH1-200HE 50V SET R RBIAS GND R10 T L1, L2: COILCRAFT XFL3012-393MEG RDC CSS R GND BIAS 12.1k T1: WÜRTH 750314781 243k 13.3k 0.01µF 49.9k 1MHz 3999 TA04 3999fa 12 For more information www.linear.com/LT3999 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts