diff --git a/components/esp_adc/adc_oneshot.c b/components/esp_adc/adc_oneshot.c
index 9ecb491285..c06901367f 100644
--- a/components/esp_adc/adc_oneshot.c
+++ b/components/esp_adc/adc_oneshot.c
@@ -113,7 +113,9 @@ esp_err_t adc_oneshot_new_unit(const adc_oneshot_unit_init_cfg_t *init_config, a
     _lock_release(&s_ctx.mutex);
 #endif
 
-    sar_periph_ctrl_adc_oneshot_power_acquire();
+    if (init_config->ulp_mode == ADC_ULP_MODE_DISABLE) {
+        sar_periph_ctrl_adc_oneshot_power_acquire();
+    }
 
     ESP_LOGD(TAG, "new adc unit%"PRId32" is created", unit->unit_id);
     *ret_unit = unit;
@@ -200,6 +202,7 @@ esp_err_t adc_oneshot_read_isr(adc_oneshot_unit_handle_t handle, adc_channel_t c
 esp_err_t adc_oneshot_del_unit(adc_oneshot_unit_handle_t handle)
 {
     ESP_RETURN_ON_FALSE(handle, ESP_ERR_INVALID_ARG, TAG, "invalid argument: null pointer");
+    adc_ulp_mode_t ulp_mode = handle->ulp_mode;
     bool success_free = s_adc_unit_free(handle->unit_id);
     ESP_RETURN_ON_FALSE(success_free, ESP_ERR_NOT_FOUND, TAG, "adc%"PRId32" isn't in use", handle->unit_id + 1);
 
@@ -210,7 +213,9 @@ esp_err_t adc_oneshot_del_unit(adc_oneshot_unit_handle_t handle)
     ESP_LOGD(TAG, "adc unit%"PRId32" is deleted", handle->unit_id);
     free(handle);
 
-    sar_periph_ctrl_adc_oneshot_power_release();
+    if (ulp_mode == ADC_ULP_MODE_DISABLE) {
+        sar_periph_ctrl_adc_oneshot_power_release();
+    }
 
 #if SOC_ADC_DIG_CTRL_SUPPORTED && !SOC_ADC_RTC_CTRL_SUPPORTED
     //To free the APB_SARADC periph if needed