Most frequently supplied in a SOT23-5 or SC70-5 package. Identification and Sourcing
+------------------[ RT9193-18GB ]------------------+ | (DC=E2H) | | | Vin ----->+----[ VIN ] (Pin 1) (Pin 5) [ VOUT ] +-----> Vout (1.8V Fixed) | | | [ GND ] (Pin 2)-----\ | | | | Enable --->+ [ EN ] (Pin 3) | | | | | | [ BP ] (Pin 4) | | +-------+----------------+--------------------------+ | | | === C_bp === C_in === C_out | (22nF) | (1uF) | (1uF) | | | GND ------------+-----------------+--------------------------+--------> GND Layout Guidelines for Best Performance
"Datasheet summary and quick-start for the DC E2H motor driver — key specs, protection features, and integration tips. Confirm exact ratings in the official datasheet before wiring."
Because LDO regulators operate on a linear derivation principle, excess voltage is dropped across the internal pass transistor and converted directly into heat. Calculate your thermal limits using the following formula:
| Metric | Value | |-----------------------------|---------------------------| | Cut-through latency (PTP sync)| 280 ns (port to PCIe) | | Store-and-forward latency | 450 ns (1500B frame) | | RoCEv2 send latency (4KB) | 0.9 µs (with inline write)| | Max packet rate (64B) | 500 Mpps (dual port 400G) | | PFC pause reaction time | < 2 µs |
: Bypass capacitor pin (for noise reduction) or No Connection. : Regulated 1.8V output. Applications
For RF transceivers, Bluetooth modules, and wireless networking hardware, input supply ripples can degrade signal integrity. The addition of a 10nF bypass capacitor connected to Pin 4 drops the output noise floor down to a mere . 2. Low Dropout (LDO) Profile
