TNY256P Power Integrations, TNY256P Datasheet
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TNY256P
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TNY256P Summary of contents
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... Figure 1. Typical Standby Application. ORDER PART NUMBER TNY256P TNY256G TNY256Y Table 1. * The low end of the power ranges shown represent enclosed adapters with minimal heat sinking whereas, the high end of the power ranges represent open frame power supplies with adequate heat sinking, both measured at an ambient of 50 Application Considerations section for more details ...
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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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... 330 k D5 TinySwitch Plus 1/4 W 1N4937 D EN/ TNY256P S U2 SFH615 2200 pF Y1 Safety The maximum power capability of TinySwitch in a given application depends on the thermal environment (sealed enclosure, ventilated, open frame, etc.,), transformer core size and design (continuous or discontinuous), efficiency required, minimum specified input voltage, input storage capacitance, output voltage, output diode forward drop, etc ...
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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. ...