The does not exist as a standalone document. The string is most likely a marking code for a 1000pF ceramic capacitor from a specific Asian manufacturer (possibly Samsung, Yageo, or Walsin). To proceed:
| Parameter | Conditions | Value | Unit | |-----------|------------|-------|------| | Junction-to-ambient thermal resistance (θJA) | SOP-J8, 4-layer PCB | 127.7 | °C/W | | Junction-to-case thermal resistance (θJC) | SOP-J8 | 36.3 | °C/W | | Power dissipation | TA = 25°C | 0.98 | W |
Engineers should ensure adequate PCB copper area for heat sinking, particularly when operating at high input voltages and near the full 1A output current. 9e102 datasheet
Feedback Voltage Node. The feedback threshold regulates output voltage. Connect to the center tap of an external resistor divider hooked between the output rail ( VOUTcap V sub cap O cap U cap T end-sub ) and AGND.
): Choose high-precision 1% tolerance resistors to ensure tight voltage accuracy on the output delivery rail. Motherboard Failure Diagnostics & Symptoms The does not exist as a standalone document
: Disables switching if the output rail is shorted directly to ground.
) and Pin 4 (GND). This filters high-speed switching noise and prevents erratic regulator behavior. Feedback Voltage Node
VOUT=R4+R5R5×0.8Vcap V sub cap O cap U cap T end-sub equals the fraction with numerator cap R 4 plus cap R 5 and denominator cap R 5 end-fraction cross 0.8 V
: This is a synchronous step-down switching regulator (DC/DC converter) with an integrated power MOSFET. Input Range : Output Current : Up to Package : SOP-J8
| Parameter | Min | Typ | Max | Unit | Notes | | :--- | :--- | :--- | :--- | :--- | :--- | | | 7.0 | – | 26 | V | Operating range | | Output Voltage (VOUT) | 1.0 | – | 18.2 | V | Adjustable (via external resistors) | | Output Current (IOUT) | – | – | 1.0 | A | Continuous rating | | Switching Frequency | – | 570 | 656 | kHz | Fixed, typical value | | High-Side FET On-Resistance | – | 250 | – | mΩ | Integrated power MOSFET | | Low-Side FET On-Resistance | – | 200 | – | mΩ | Integrated synchronous MOSFET | | Reference Voltage (VFB) | – | 0.8 | 0.816 | V | Internal feedback reference | | Efficiency at Light Load | – | 80 | – | % | At IOUT = 10mA (typical) | | Operating Temp. (TA) | -40 | – | +85 | °C | Industrial temperature range | | Quiescent Current (No Switch) | – | 500 | – | µA | Typical value | | Package Type | – | – | – | – | SOP-J8 (or SOIC-8) | | Dimensions (W × D × H) | – | 4.9×6.0×1.65 | – | mm | Package dimensions |
The 9E102 functions as a highly integrated synchronous step-down converter, which means it significantly reduces the need for external component counts. Unlike non-synchronous buck regulators, it integrates both the high-side and low-side power switches, minimizing power loss and eliminating the requirement for an external catch diode.