diff --git a/esphome/components/esp_ldo/__init__.py b/esphome/components/esp_ldo/__init__.py
index ce24028083..38e684c537 100644
--- a/esphome/components/esp_ldo/__init__.py
+++ b/esphome/components/esp_ldo/__init__.py
@@ -20,14 +20,16 @@ adjusted_ids = set()
 
 CONFIG_SCHEMA = cv.All(
     cv.ensure_list(
-        {
-            cv.GenerateID(): cv.declare_id(EspLdo),
-            cv.Required(CONF_VOLTAGE): cv.All(
-                cv.voltage, cv.float_range(min=0.5, max=2.7)
-            ),
-            cv.Required(CONF_CHANNEL): cv.one_of(*CHANNELS, int=True),
-            cv.Optional(CONF_ADJUSTABLE, default=False): cv.boolean,
-        }
+        cv.COMPONENT_SCHEMA.extend(
+            {
+                cv.GenerateID(): cv.declare_id(EspLdo),
+                cv.Required(CONF_VOLTAGE): cv.All(
+                    cv.voltage, cv.float_range(min=0.5, max=2.7)
+                ),
+                cv.Required(CONF_CHANNEL): cv.one_of(*CHANNELS, int=True),
+                cv.Optional(CONF_ADJUSTABLE, default=False): cv.boolean,
+            }
+        )
     ),
     cv.only_with_esp_idf,
     only_on_variant(supported=[VARIANT_ESP32P4]),
diff --git a/esphome/components/esp_ldo/esp_ldo.h b/esphome/components/esp_ldo/esp_ldo.h
index fb5abf7a3a..bafa32db6b 100644
--- a/esphome/components/esp_ldo/esp_ldo.h
+++ b/esphome/components/esp_ldo/esp_ldo.h
@@ -17,6 +17,9 @@ class EspLdo : public Component {
   void set_adjustable(bool adjustable) { this->adjustable_ = adjustable; }
   void set_voltage(float voltage) { this->voltage_ = voltage; }
   void adjust_voltage(float voltage);
+  float get_setup_priority() const override {
+    return setup_priority::BUS;  // LDO setup should be done early
+  }
 
  protected:
   int channel_;
diff --git a/esphome/core/helpers.cpp b/esphome/core/helpers.cpp
index b46077af02..e84f5a7317 100644
--- a/esphome/core/helpers.cpp
+++ b/esphome/core/helpers.cpp
@@ -258,7 +258,9 @@ std::string format_hex(const uint8_t *data, size_t length) {
 std::string format_hex(const std::vector<uint8_t> &data) { return format_hex(data.data(), data.size()); }
 
 static char format_hex_pretty_char(uint8_t v) { return v >= 10 ? 'A' + (v - 10) : '0' + v; }
-std::string format_hex_pretty(const uint8_t *data, size_t length, char separator, bool show_length) {
+
+// Shared implementation for uint8_t and string hex formatting
+static std::string format_hex_pretty_uint8(const uint8_t *data, size_t length, char separator, bool show_length) {
   if (data == nullptr || length == 0)
     return "";
   std::string ret;
@@ -274,6 +276,10 @@ std::string format_hex_pretty(const uint8_t *data, size_t length, char separator
     return ret + " (" + std::to_string(length) + ")";
   return ret;
 }
+
+std::string format_hex_pretty(const uint8_t *data, size_t length, char separator, bool show_length) {
+  return format_hex_pretty_uint8(data, length, separator, show_length);
+}
 std::string format_hex_pretty(const std::vector<uint8_t> &data, char separator, bool show_length) {
   return format_hex_pretty(data.data(), data.size(), separator, show_length);
 }
@@ -300,20 +306,7 @@ std::string format_hex_pretty(const std::vector<uint16_t> &data, char separator,
   return format_hex_pretty(data.data(), data.size(), separator, show_length);
 }
 std::string format_hex_pretty(const std::string &data, char separator, bool show_length) {
-  if (data.empty())
-    return "";
-  std::string ret;
-  uint8_t multiple = separator ? 3 : 2;  // 3 if separator is not \0, 2 otherwise
-  ret.resize(multiple * data.length() - (separator ? 1 : 0));
-  for (size_t i = 0; i < data.length(); i++) {
-    ret[multiple * i] = format_hex_pretty_char((data[i] & 0xF0) >> 4);
-    ret[multiple * i + 1] = format_hex_pretty_char(data[i] & 0x0F);
-    if (separator && i != data.length() - 1)
-      ret[multiple * i + 2] = separator;
-  }
-  if (show_length && data.length() > 4)
-    return ret + " (" + std::to_string(data.length()) + ")";
-  return ret;
+  return format_hex_pretty_uint8(reinterpret_cast<const uint8_t *>(data.data()), data.length(), separator, show_length);
 }
 
 std::string format_bin(const uint8_t *data, size_t length) {
diff --git a/tests/components/esp_ldo/test.esp32-p4-idf.yaml b/tests/components/esp_ldo/test.esp32-p4-idf.yaml
index 0e91aaf082..38bd6ac411 100644
--- a/tests/components/esp_ldo/test.esp32-p4-idf.yaml
+++ b/tests/components/esp_ldo/test.esp32-p4-idf.yaml
@@ -6,6 +6,7 @@ esp_ldo:
   - id: ldo_4
     channel: 4
     voltage: 2.0V
+    setup_priority: 900
 
 esphome:
   on_boot: