TNY256YN Power Integrations, TNY256YN Datasheet
TNY256YN
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TNY256YN
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TNY256YN Summary of contents
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TNY256 TinySwitch Energy Efficient, Low Power Off-line Switcher Product Highlights TinySwitch Plus Features • Extended power range • Fully integrated auto-restart reduces short circuit current • Line under-voltage sense eliminates turn-off glitches • Frequency jittering dramatically reduces EMI (5 to ...
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TNY256 BYPASS (BP) LINE UNDER-VOLTAGE OSCILLATOR ENABLE/ UNDER-VOLTAGE 1.5 V (EN/UV) Figure 2. Functional Block Diagram. Pin Functional Description DRAIN (D) Pin: Power MOSFET drain connection. Provides internal operating current for both start-up ...
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TinySwitch Functional Description TinySwitch combines a high voltage power MOSFET switch with a power supply controller in one device. Unlike conventional PWM (Pulse Width Modulator) controllers, TinySwitch uses a simple ON/OFF control to regulate the output voltage. The TNY256 controller ...
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TNY256 short open loop condition, TNY256 enters into auto- restart operation. An internal counter clocked by the oscillator gets reset every time the EN/UV pin is pulled low. If the EN/ UV pin is not pulled low for ...
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V 100 DC-BUS BYPASS 0 400 200 V DRAIN Time (ms) Figure 8. TNY256 Power-up With External Resistor ( Connected to EN/UV Pin. power level at the lowest input voltage, ...
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TNY256 200 V 100 0 400 300 V 200 100 Time (s) Figure 10. Normal Power-down Timing. During power-down, when an external resistor is used, the power MOSFET will switch for 32 ms after the output loses ...
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L1 470 1N4005 1N4005 4.7 k 85-265 RF1 C1 C2 VAC 400 V 400 V Fusible D3 D4 1N4005 1N4005 Figure 12. 5 Adapter with Universal Input (85-265 VAC). ...
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TNY256 Layout Single Point Grounding Use a single point ground connection at the SOURCE pin for the BYPASS pin capacitor and the Input Filter Capacitor (see Figure 13). Primary Loop Area The area of the primary loop that connects the ...
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DRAIN Voltage ....................................... - 0 700 V Peak DRAIN Current ............................................. 800 mA EN/UV Voltage ............................................ - 0 EN/UV Current ...................................................... 100 mA 1. All voltages referenced to SOURCE Normally limited by ...
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TNY256 Parameter Symbol CONTROL FUNCTIONS (cont.) BYPASS Pin V Voltage BP BYPASS V Hysteresis BPH EN/UV Pin Line I Under-voltage LUV Threshold CIRCUIT PROTECTION I Current Limit LIMIT Initial Current I Limit INIT Leading Edge t LEB Blanking Time Current ...
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Parameter Symbol OUTPUT (cont.) DRAIN Supply Voltage Output EN/UV t Delay EN/UV Output Disable t Setup Time DST Auto-Restart t AR ON-Time Auto-Restart DC Duty Cycle AR NOTES: A. For a threshold with a negative value, negative hysteresis is a ...
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TNY256 D EN/ NOTE: This test circuit is not applicable for current limit or output characteristic measurements. Figure 14. TinySwitch General Test Circuit 90% DRAIN VOLTAGE 10 ...
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Typical Performance Characteristics BREAKDOWN vs. TEMPERATURE 1.1 1.0 0.9 -50 - 100 125 150 Junction Temperature ( C) CURRENT LIMIT vs. TEMPERATURE 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -50 - Temperature ...
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TNY256 Typical Performance Characteristics (cont.) C OSS vs. DRAIN VOLTAGE 100 200 400 DRAIN Voltage ( 7/01 DRAIN CAPACITANCE POWER 100 600 0 UNDERVOLTAGE THRESHOLD 80 Power-up* 40 Power-down at ...
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DIM inches mm A 0.370-0.385 9.40-9.78 B 0.245-0.255 6.22-6.48 C 0.125-0.135 3.18-3.43 G 0.015-0.040 0.38-1.02 H 0.120-0.135 3.05-3.43 J1 0.060 (NOM) 1.52 (NOM) J2 0.014-0.022 0.36-0.56 K 0.010-0.012 0.25-0.30 L 0.090-0.110 2.29-2.79 M 0.030 (MIN) 0.76 (MIN) N 0.300-0.320 7.62-8.13 ...
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TNY256 .400 (10.16) .146 (3.71) .415 (10.54) .156 (3.96) + .860 (21.84) .880 (22.35) PIN 1 .050 (1.27) BSC .150 (3.81) BSC .050 (1.27) .050 (1.27) .050 (1.27) .200 (5.08) PIN 1 .150 (3.81) Y07B MOUNTING HOLE PATTERN C 16 ...
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Notes TNY256 C 17 7/01 ...
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TNY256 C 18 7/01 Notes ...
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Notes TNY256 C 19 7/01 ...
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... Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations does not assume any liability arising from the use of any device or circuit described herein, nor does it convey any license under its patent rights or the rights of others. ...