diff --git a/components/esp_hw_support/port/esp32c5/include/soc/rtc.h b/components/esp_hw_support/port/esp32c5/include/soc/rtc.h
index dd755ff9a6..b21dcb15f0 100644
--- a/components/esp_hw_support/port/esp32c5/include/soc/rtc.h
+++ b/components/esp_hw_support/port/esp32c5/include/soc/rtc.h
@@ -113,12 +113,12 @@ set pvt default param
 #define PVT_CMD2                0x427
 #define PVT_TARGET              0xffff
 #define PVT_CLK_DIV             1
-#define PVT_DELAY_NUM_HIGH      150
-#define PVT_DELAY_NUM_LOW       143
+#define PVT_DELAY_NUM_HIGH      154
+#define PVT_DELAY_NUM_LOW       147
 #define PVT_PUMP_CHANNEL_CODE   1
 #define PVT_PUMP_BITMAP         22
 #define PVT_PUMP_DRV            0
-#define PVT_DELAY_NUM_PUMP      139
+#define PVT_DELAY_NUM_PUMP      143
 
 /**
  * @brief Initialize PVT related parameters
diff --git a/components/esp_hw_support/port/esp32c5/pmu_pvt.c b/components/esp_hw_support/port/esp32c5/pmu_pvt.c
index f4fa36face..9f81f95832 100644
--- a/components/esp_hw_support/port/esp32c5/pmu_pvt.c
+++ b/components/esp_hw_support/port/esp32c5/pmu_pvt.c
@@ -122,6 +122,7 @@ void IRAM_ATTR pvt_func_enable(bool enable)
             CLEAR_PERI_REG_MASK(PMU_HP_ACTIVE_HP_REGULATOR0_REG, PMU_DIG_REGULATOR0_DBIAS_SEL); // hand over control of dbias to pvt
             CLEAR_PERI_REG_MASK(PMU_HP_ACTIVE_HP_REGULATOR0_REG, PMU_DIG_DBIAS_INIT);     // must clear @HP_CALI_DBIAS_DEFAULT
             SET_PERI_REG_MASK(PVT_DBIAS_TIMER_REG, PVT_TIMER_EN);   // enable auto dbias
+            esp_rom_delay_us(50);
         } else {
             uint32_t pvt_hp_dbias = get_pvt_hp_dbias();
             uint32_t pvt_lp_dbias = get_pvt_lp_dbias(); // update pvt_cali_dbias
diff --git a/components/esp_hw_support/sleep_modes.c b/components/esp_hw_support/sleep_modes.c
index a5e53cddb4..fde19ae70e 100644
--- a/components/esp_hw_support/sleep_modes.c
+++ b/components/esp_hw_support/sleep_modes.c
@@ -199,7 +199,7 @@
 #elif CONFIG_IDF_TARGET_ESP32C5
 #define DEFAULT_SLEEP_OUT_OVERHEAD_US       (318)
 #define DEFAULT_HARDWARE_OUT_OVERHEAD_US    (56)
-#define PVT_REINIT_COST_US                  (25)
+#define PVT_REINIT_COST_US                  (75)
 #elif CONFIG_IDF_TARGET_ESP32C61
 #define DEFAULT_SLEEP_OUT_OVERHEAD_US       (230)
 #define PVT_REINIT_COST_US                  (90)